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Keith Clark
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********************************************************
Edited March 31st, 2009


Someone has brought it to my attention that what I purchased were silicon diodes, not germanium - as labeled clearly on the box. Please note that any posts from me in this thread are accidentally misrepresented as results from a germanium diode, when they are in fact, from a silicon diode.

 

Hello,

Today I whipped out the germanium diodes again. I tried them once or twice months ago, with limited to no success.

The variation in sound was caused by my hand contacting the germanium diode during the recording.

Keith

****Added 6-7-09 - While listening to this file, several years later, I hear at the end of the clip "he's stroking the pickup."



 

Attachment: Feb6 645pm germanium diodes -clip2.mp3 (Downloaded 1106 times)

Keith Clark
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Here's another one. The diode was left alone during this recording.

http://www.itcbridge.com/temp/diode2.mp3

 

Keith

Vicki Talbott
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Hi Keith,

I'm interested in how to do this.  Have you already explained it elsewhere on the board?  How do you set up such an experiment and what are geranium diodes (sorry, but I am no expert at other than the basics:confused:)?  Also, Do you know anything about the photodiode set up, where you replace the microphone in a digital recorder with one of those?  I think dave and Margaret from AAEVP have done this.  Thanks, Vicki

Keith Clark
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Hi Vicki,

Unfortunately, I'm no electronics wizard myself. I try to learn as I go. Perhaps someone will be able to assist us with the specifics.

I'll give you some of the information that I have today........will finish this post this weekend.

First - two considerations. This clip was filtered "live" with DCSix. Also, the audio is so low that you will most likely need some type of mixer or amplifier to be able to turn it up loud enough to hear it. It's highly likely that if you put it together incorrectly you may not be able to hear anything at all. Perhaps some computers are able to amplify it enough.

As far as what a germanium dioe is and how it works....I don't have much information, as I don't know yet. Here's what they look like.

Keith

Attached Image (viewed 3708 times):

diode.jpg

Keith Clark
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The next step is choosing what kind of cable you are going to use, depending on what you have and/or what you are going to plug it into.

Here's a picture of cables which you will probably use. You'll need one that you aren't attached to because we're going to cut one end off.

The one on the top is a standard 1/8 inch plug - the kind you use for your walkman, headphones, and such.
The one on the bottom is a 1/4 inch plug - the kind used for guitars and such.

Of course, an adapter will easily swith from one to the other - what matters is how the cable is made.
          If you were to use the 1/8 inch cable, when you cut it you will most likely have a red and black cable inside, side by side. The black will be ground, and the red will be where the signal comes in.
          If you were to use the 1/4 inch cable, when you cut it you will have wires underneath the first layer of outer sheath which will be considered the ground. They will most likely run all around the outer sheath. After you have neatly twisted and separated these ground wires, you will need to shear the inner sheath to find the wire used for the signal - the one you'll attach the germanium diode to.

Here's a pic of cables.

Keith

 

Attached Image (viewed 4016 times):

cable.jpg

Keith Clark
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Here's a picture of diode markings. Diodes only allow the signal to flow one way, so it does matter which way it's pointing, or which end the band/marking is on.


I used to have the schematic that is out there for germanium diodes and ITC - I have to find it again. I'm pretty sure it's on Worlditc.org. If I find it again, I'll let you know.


Keith

Attached Image (viewed 5297 times):

diodemarkings.jpg

Keith Clark
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And now for a picture of what I'm using. It's definitely a hack job at best......probably not the proper way to do it, but it's how the file is recorded(and what I'm listening to right now)

As you can see, the ground wire of the cable is screwed onto the metal of the little project box. It's supposed to be grounded...........mine isn't.

A short antenna is soldered to the diode on one end, and the other end of the diode is soldered to the positive, or signal wires of the audio cable.

This is the most basic hillbilly way to set it up..........there are other diagrams out there which include various other electronic components such as coils, for tuning and adjustments.

Keith

Attached Image (viewed 3942 times):

setup1.jpg

Vicki Talbott
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Hi Keith,

Thanks so much for all the info and pictures.  For someone who is not an "electronics expert" you know a lot.  I have a friend who might be able to easily help me out here if I can get him away from his own experiments.:)  Thanks so much for the starter info.  Vicki

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Great Capture!!!!

I will try this tomorrow after I go to the states to get a diode!

Also, The DCsix? I have figured out how to use it live....Maybe you can help me and Vicki figure that out! Have agreat Saturday.

Will post on Sunday.

Laura

 

Keith Clark
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New diode recording today.

Keith

Attachment: Feb12 955pm diode.mp3 (Downloaded 1103 times)

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Your right fil! I can hear them too!

Regards,

Frank R.

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Vicki Talbott
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Hi Mathias, Keith and all,

Mathias, I can hear those as well.  That is extremely interesting and very fortunate that you happened to listen to Keith's recording and caught these utterances.  I also wonder why they spoke in German.  I've had them speak to me only in languages I can understand/expect (at least as far as I know, but now I wonder--maybe some of those indecipherable ones were in a language I don't speak).  Thanks for posting these and sharing your interpretations.  By the way, your English is very good.  Vicki

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Hi Mathias,

I think you are right in speculating that they knew someone would in time listen to and understand these statements.  I have gotten utterances that were in English but made no sense to me, only to later find out that they were meant for someone who came along shortly afterward to listen and comment.  Vicki

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Hi Mathias,

I found what you posted very interesting....and your English seems pretty good to me!  I don't have the ability to understand German, but I thank you for sharing it with us. It's true that receiving something in another language is not something every experimenter would consider.

Thanks (& Nice to meet you),

Keith 

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Hey Hey!!:biggrin: How are you today? Well, I hope. I have a Question or 2 or 3 for you maybe you can help me out. LOL I am Confused on how to Build the Germanium Diode recorder. Let me just start by telling you what I did. I Cut off the Microphone from my Mini Cassette recorder Mic. I attached a Germanium Diode to the white wire... It was the only wire in there other than the wire surrounding it. I am assuming that is the Grounding Wire. In any case, I have no way to Solder, so I twisted the wire onto the Germanium Diode. On the other End of the Diode, I attached Another wire assuming this was supposed to act as an Antenna? The Germanium Diode has a Black dot on one end. That is supposed to be facing in the Direction of the Jack that you plug into the recorder Right? Or do I have this All Wrong? LOL Please Help Me

~Angel~
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Hi,

Twisting the wire may work, but is not as good as soldering.........I'm not going to be much good as far as technical help in this area, but I'll send you someone who is.

Keith

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RHGHAngel wrote: Hey Hey!!:biggrin: How are you today? Well, I hope. I have a Question or 2 or 3 for you maybe you can help me out. LOL I am Confused on how to Build the Germanium Diode recorder. Let me just start by telling you what I did. I Cut off the Microphone from my Mini Cassette recorder Mic. I attached a Germanium Diode to the white wire... It was the only wire in there other than the wire surrounding it. I am assuming that is the Grounding Wire. In any case, I have no way to Solder, so I twisted the wire onto the Germanium Diode. On the other End of the Diode, I attached Another wire assuming this was supposed to act as an Antenna? The Germanium Diode has a Black dot on one end. That is supposed to be facing in the Direction of the Jack that you plug into the recorder Right? Or do I have this All Wrong? LOL Please Help Me

~Angel~
:blink:


Hi Angel,

I'm a disabled electrical engineer who has been studying the paranormal for the last few years. The "Raudive" detector is an untuned crystal diode detector that folks have been connecting to recorders lately to pick up EVP voices.

The use of the germanium diode has been popular because it has a low conduction voltage threshold which allows it to detect low level radio noise. The radio noise or atmospheric static is rectified by the diode and coupled to the recorder input. Since the noise currents have to pass through the diode to detect EVP sounds to record, the diode has to be connected to other components that provide a path for the signals to follow.

A radio choke coil, diode, and resistor form a circular path for signal currents picked up by a small antenna. The diode detects sounds included in the noise and the sound signal appears across the resistor. The resistor is connected between the center wire of your mic cable and the shield braid return around the outside. That signal is then recorded by the recorder.

I've attached a mspaint drawing of the connection diagram. I've built this into a mic plug with miniature components for other experimenters like yourself.

Joe

Attached Image (viewed 6746 times):

raudive detector.bmp

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You Are So Wonderful!! Thank You so Much!! I am Originally from PA... Clearfield .. Have been Living in SC since I was 15. Thank You for your Help! TY as Well Keith!

~Angel~

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Further to Joe's explanation. Germanium diode's are usually found in crystal radio's, radio's with no battery or other power supply. The diode itself is what might be termed porous to radio waves and therefore really helps such circuits detect radio frequencies.
Digital circuits and most functions of any device these days is based on 0's and 1's...a device with an analog, varying, property is perhaps much more likely to give us a greater chance of successful contact through random receptions. In some regards, the germanium inside the diode may be thought of as being open to spirit communication and hence why they are used in such experiments.
Diode's let a signal go in one direction and not in the other. Used in circuits of every type, every diode, of any type can display strange properties. Did you know that standard LED's can act as photodiode's ! they will pass small currents based on the light level near them.
Photodiode's can be found in solar cells and also in PC mice. They are similarly widely used devices. The reactive material used in a diode usually dictates its intended use.

The secret to spirit contact using electronics is, I believe, within the P-N junctions of many components like diodes. On the wiki for photodiode's is this interesting text:
"Since transistors and ICs are made of semiconductors, and contain P-N junctions, almost every active component is potentially a photodiode. Many components, especially those sensitive to small currents, will not work correctly if illuminated, due to the induced photocurrents. In most components this is not desired, so they are placed in an opaque housing. Since housings are not completely opaque to X-rays or other high energy radiation, these can still cause many ICs to malfunction due to induced photo-currents."

Imagine you are out at a cemetary and you have your voice recorder running. On returning home and analysing the recording, you hear a voice that wasn't heard at the time.
The EVP may have been caused through diode leakage/reception characteristics ! You don't hear it at the time, it doesn't trip any auto recording feature and yet it is there. Between the microphone and final recording there are possibly thousands of diodes, certainly many on the circuit board that are glass and see through. These diodes are, I believe, a possibility for relaying the spirit voice information to the recording stage.

Last edited on Apr 2nd, 2009 11:20 PM by Slider2732

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from where can I buy this diode?

eyewave
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are germanium diodes 1N60 good?

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http://www.scitoyscatalog.com/Merchant2/merchant.mvc?Screen=CTGY&Store_Code=SC&Category_Code=R

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is there a picture somewhere of how o conenct the diode(which side to conenct to the microphone wire and which side to the antenna?

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In this case the diode may be installed in either direction and still act as a detector.

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o ok since I read that its has a one way flow, I asked

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and is white noise needed with the germanium diode too? it only happned once that Irecorded vocies with only white noise-it didn't happen again -- and its interesting to note that when I tried to listen to the recording again, it was changed-it was multiplied (repeated many times) -- we'll see with the diode how it goes

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I tried using the diode, but with no results --- guess i does not work for me or its connected wrong

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Hi

 

How important is the value of the inductor, can any kind of coil be used please?

joecioppi
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Mike,

The Raudive detector circuit is a simple radio receiver that responds to a broad band of radio frequencies and rectifies the amplitude variations. The coil is an inductor wound on an insulated form that blocks radio signals but is easily conductive of direct currents and low audio frequencies. The value of the coil is selected to tune radio frequencies present in atmospheric noise. More than one frequency appears at the antenna at one time. An AM radio that is tuned to an unused frequency will detect noise from a narrower band of frequencies in the same way and amplify the audible hiss.

The germanium diode detects audio frequencies in the noise and the audio appears across the resistor at the recorder cable input. This is an audible hiss that has spirit voices in it. The recorder records the audible sounds for future analysis and playback. I believe that natural noise created by ocean surf or rush of wind also can contain voices and electronics is not necessary to create them.

I have used the rush of current through a semiconductor junction to create the same random (white noise) sound. Voices or intelligence can be detected. No radio signals are needed in this case but voices still are present.

Joe

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Hi Jo

As a radio person of some years (SW VHF/UHF) I understand the principles.

I have today ordered a few RF inductors, various values from 50uH to 680.

I'll construct a small portable unit that I can take out with me away from electrical noise.

Here I get a 50 Hz buzz.

I have heard the hiss, I have been using a small LM386 amp to power a speaker.

I am not yet sure how spirit comms can take place, I imagine they use a mode unknown to us, what that is! is the big question I guess.

 

Thanks for the tips

 

Mike

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Mike,

Experimenters interested in earth sounds have constructed receivers to pick up ambient waves in the audio frequencies. Power line fields interfere with reception and designs have input filters aimed at the suppression of power line signals and harmonics. I consider these designs in the same category as EMF recorder setups.

The earth sounds  people have heard singing and voices with these devices.

Joe

Last edited on Dec 17th, 2009 02:46 PM by joecioppi

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Hi Joe

Yes I am fascinated by that concept as well!

ELF? Apparently if you have a long length of twin shorted at the far end, laid out on the ground and then connected to a laptops mic input, you can record some of these sounds.

I have a 50m run of speaker cable ready to try this idea out.

At the moment my laptop makes too much of its own noise LOL, I am going to see how my wifes one gets on.

I then plan to take it all to some woods that are a good distance away from houses and power lines and try it out!

Of course, just maybe spirit communications could take place!

After all, this would seem to be a very natural progression, in that we use these frequencies now to speak etc, maybe we continue to do so once we pass over, and simply use them as electromagnetic instead of physical vibrations????

Who knows.

Thanks

 

Mike

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Hi Joe

 

Been thinking about this today and have done some hook ups to check.

If I remove the choke from the diagram and instead use the 100K resistor in its place so as to give me a circuit, I hear mostly a 50hz hum from the mains here in the UK.

Could I filter this using passive components, but still keep this 'sniffer' sensitive to all other fqs?

 

Thanks

Mike

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mikesndbs wrote: Hi Joe

 

Been thinking about this today and have done some hook ups to check.

If I remove the choke from the diagram and instead use the 100K resistor in its place so as to give me a circuit, I hear mostly a 50hz hum from the mains here in the UK.

Could I filter this using passive components, but still keep this 'sniffer' sensitive to all other fqs?

 

Thanks

Mike


Mike,

Look at this circuitry for a way to boost vlf signals and reduce the power hum. This design is essentially an untuned radio receiver with vlf bandwidth. The filter cuts the hum.

http://www.auroralchorus.com/bbb4rx3.htm

Joe

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More that just INTRESTING Mr. Clark.
This has that audio BUZZ just like that radio receiver that uses 13 frequencies (can't remember the name). The difference between the original germanium diode and your switching diode (zenear) is that the germanium will block energy one way, and allow it to travel in one direction only (DC) and a "zener" Diode like yours not only BLOCKS...but allows it to travel the other way also IF the current gets high enough to "trip" over the blockage. So it will travel in an AC fashion. Do you remember if you were near a fluorescent light source? That would very easily explain the "buzzing" noise from the 60hz electrical field (US) - 50hz Europe. Do you still have the circuit? Or did you just put it together OUTSIDE the box and grounded to this box as shown in the picture(metal bottom maybe...like a large capacitance devise). Did you get any different results while holding it?? Was this BUZZING a very common effect or only sometimes it would be noticeable? Was this buzzing the effect of an external "amplification" devise or circuit? Do you still have the box laying around where you can "try again". I realize this is an old post...but a certain Google search brought up this page.

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joecioppi wrote:

mikesndbs wrote: Hi Joe

 

Been thinking about this today and have done some hook ups to check.

If I remove the choke from the diagram and instead use the 100K resistor in its place so as to give me a circuit, I hear mostly a 50hz hum from the mains here in the UK.

Could I filter this using passive components, but still keep this 'sniffer' sensitive to all other fqs?

 

Thanks

Mike


Mike,

Look at this circuitry for a way to boost vlf signals and reduce the power hum. This design is essentially an untuned radio receiver with vlf bandwidth. The filter cuts the hum.

http://www.auroralchorus.com/bbb4rx3.htm

Joe

I have one of these receivers. I have the one (in clockwise direction) 4th "black" receiver on top right side...this one is "SILVER" (aluminum) in color. His picture just had a shadow in it. With these receivers you need to be MILES away from electrical interference. Or the hum and buzz will tear your head off :) You can actually "rub" the antenna on the ground and HEAR the noise in the headphones. I think these are actually an "amplification" circuit built without a proper input (antenna connected instead) *something like that.

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I tried to build one of these according to joes diagram.

Not sure if i did something wrong or just simply not getting results.

The only sounds the receiver produces is a lot of white noise, and the occasional hum you get when a speaker feedback's. Im not hearing any noises or voices close to what others are getting.

David Payne
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Well I tried to make the circuit again, and im still not sure if its right.  Im not getting anything other than white noise and a slight hum.  I rigged my up using the exact parts and circuit as in joes diagram.

Anyone provide help?

Thanks

Attachment: raudive.mp3 (Downloaded 483 times)

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Anyone?

Could really use some help. Perhaps people are giving up on raudive?

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No, I still use the Raudive Receiver. I just received my 3rd Receiver beginning of this week. Purchased on eBay. This last one has a microphone built in and a momentary "push button" that I asked the builder to include to allow this mic to engage (to ask questions) then release so the raudive is inline for spirit answers through the circuit. Mine has 2 separate raudive circuits built in. Been to cold to use at locations in my home town. But I did get a few (very low audio) EVP's from inside my local library. Male voice says "I"m American" and another voice said "can you hear me". The first one..."I'm American" seemed Odd because the Raudive was "built" in Europe :) I can upload later. On cell phone right now and not on file. I have 4 or 5 more from the Raudives...recorded earlier during last summer. I haven't really used then much though cause I had back surgery During September and was stressed when I did go out. I use the DR60 or Sony B7 most of the time. When I use my raudive I either connect to B7 or Sony ICD-B300.

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K, I'm a little late at uploading these 2 files. You WILL need headphones and a good ear as they are soooo near silent. Raudive's (at least mine) will nearly always be very weak...I used the Raudive Receiver I purchased on eBay with the push button microphone attachment. You will not hear my voice in any of these. Was only present in the one that said "can you hear me" anyway...but my voice was very loud and unpleasant. I'm only going to upload my most recent Raudive's tonight and will include the other "very few" in a day or two.

 

The one included in the below attachment "i'm american" was recorded out in my jeep on the 26th of January 2011 as I was parked outside my local library. I turned on my recorder for a few minutes after I parked...just after getting the Raudive Receiver out of the package coming from delivery in the mail that day. This recording was a "spuratic" as I didn't ask any questions...I was mainly trying out the microphone function. I didn't record in the Library this day anyway.

Attachment: i'm_american-evp.mp3 (Downloaded 504 times)

Last edited on Jan 30th, 2011 05:25 PM by clockdryve

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Here's my next recording from January 27th 2011 from inside the Library.

I tried about 3 times with the Raudive and a couple times with the DR60 and once with the Sony ICD-B16. Got nothing with the DR60 (that was odd) and nothing on the B16 (common for me). This was recorded on the Sony ICD-B300, as was the "i'm american" (my 3rd most popular recorder).  *(DR60 is #1 and Sony ICD-B7 is #2).

I hear "can you hear me" on this recording....this was an answer (sort of) to what I was saying.... I repeated the phrase "test-1-2-3....test-1-2-3" 2 times, and the male voice said (after I released the microphone button) *switching in the "electrical receiver only" --Can You Hear Me--. When I push in the button this is the only time this receiver will hear a VOICE or Vibration"....all other times it is DEAF to the sounds WE hear....but picks up from the HIDDEN. You might need to LOOP or listen to this several times before you can hear it. I will upload a picture of the Raudive receiver in a day or two when I have time to take one.

Attachment: AMPED-can_you_hear_me-evp.wav (Downloaded 469 times)

Last edited on Jan 30th, 2011 05:28 PM by clockdryve

David Payne
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Clock those are real nice.

But as I said, i didnt buy one, i made one according to Joes Schematic. And its not working.

So im trying to get help on why. So i cant really contribute till someone with some knowledge of building them can help me, but it seems they have abandoned this thread.

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Here's another drawing of the same circuit Joe showed you. Only thing I can think of if you built it and having a problem is maybe the diode is in backwards....
But Joe says that it's okay in this circuit and I would believe him because of his past occupation :)

But maybe can just flip it around just to "see what happens" ya never know, you will either pull from the ground or arial -- one may be better.  Also...did you use the proper diode called for in the circuit? Another thing...It is HARD to tell if you captured anything because it's gonna be very quite. You need to have the recorder volume UP very high when you transfer to the computer (until you can hear the static level at least). And you will need to listen real close. It will be so easy to pass over one of these voices using the Raudive Receiver........trust me on those words for sure.

 

The attachment drawing came out of the 1995 October issue of Popular Electronics

was available for download (4 pages) using Google Web Browser "Google Books". The 4 pages didn't really have anything special in the article...just the circuit only.

 

Attached Image (viewed 5306 times):

Raudive Diode Receiver Circuit.jpg

Last edited on Jan 31st, 2011 04:44 AM by clockdryve

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One other thing...I have used an Olympus WS-100 on the Raudive and it doesn't "hear" anything...my Sony B7 and B300 (set to lowest quality work best)...I don't know what you are using but TRY the lower BIT rate (LP) but keep the microphone setting on highest. Good Luck

Last edited on Jan 31st, 2011 04:58 AM by clockdryve

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If you want to try a different circuit...try this "less know" design from the attachment. It uses a different resistor and removes the coil and adds a capacitor...Be SURE you insulate the location where the "stiff" wire (straightened paper clip is fine) comes out of the metal enclosure so it doesn't TOUCH if you decide to use the metal. You can build this without the metal enclosure...but if you want it as original then it is to be included in BOTH designs.

Attached Image (viewed 2876 times):

Raudive Diode receiver 2.jpg

Last edited on Jan 31st, 2011 05:26 AM by clockdryve

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clockdryve wrote: If you want to try a different circuit...try this "less know" design from the attachment. It uses a different resistor and removes the coil and adds a capacitor...Be SURE you insulate the location where the "stiff" wire (straightened paper clip is fine) comes out of the metal enclosure so it doesn't TOUCH if you decide to use the metal. You can build this without the metal enclosure...but if you want it as original then it is to be included in BOTH designs.

Have you tried this one?

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No, havent tried it (never built it anyway).

My Raudive Receiver I purchased from eBay has that circuit though.

The Receiver I use has BOTH circuits, so I should say that I HAVE used it.

What  I have is included on each side (seperated), one circuit on left...and one circuit

on right channel. And I use it on Mono equipment, so with the mono/stereo adapter

this will combine the signal onto one channel. If I used a stereo recorder then I could

actually seperate the signals and find which is working BETTER at the time...

Although I haven't done that yet. It's been to cold here in Iowa to search for EVP's

the way I prefer---but it has been getting warmer :)

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The "F0-215" Germanium Diode is considered the "Holy Grail"
of Crystal Diodes... Most "sensitive" (better than the Schottky Diode), so you might want to try that one also. I would recommend using a metal box as a shield to unwanted reception...cell phones and other electrical interferance items. The shield is that "dotted lines" in the 2nd circuit I showed you (make a fully enclosed box), and no short circuits (remember to not allow the antenna to short against this shield) *The antenna can be a piece of STIFF wire with rubber insulation around it...doesn't need to be bare to receive. That metal shield also has the ground symbol attached to it also. It wouldn't hurt to have an aligator clip attached to a "post" attached to this shield...and ground it to "ground" for ultimate protection from interferance (like electrical hum possibly) *keep the ground wire short if possible.

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Hi clockdryve

I just ordered one of those ebay detectors, be interesting to compare notes?

Mike

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Cool Deal :) What recorder are you using it on? Which one you get from eBay. The microphone/switch version...Non-Mic version or Microphone version?? Be sure you turn your recorder FULL up on playback into pc...the audio will still not be very loud. There is no interferance available so white noise is only thing you will hear until you run into an EVP. When you find the EVP it will often times be very faint. Just amplify it a few times lightly. I have a few more EVP I need to upload. With and without the Raudive Receiver. Good luck with your tests.

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Hi, I intend to run its output into a preamp and then into a small audio amp, all battery powered so its all portable.

The one I got is this:

EVP Raudive Diode Receiver For Paranormal Ghost Hunting.

 

Cheers

 

Mike

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K, well there are actually 3 made by that guy on eBay (tvkev). He has the one that has 2 antennas (2 raudive circuits inside), then the one with 2 antennas (same inside) and a plugin microphone included...then the last model has the 2 antennas (same inside), along with the push button switch for the external microphone that is included. The switch allows you to temporarily connect the microphone so you can ask the question...then let go of the button so that anything AFTER your recorded "test" question will ONLY be coming from the Raudive without human voice or external "interference" being picked up...and this will be your ghost voice ONLY. *If you need a more advanced Receiver (in case you didn't get the pushbutton/microphone) version...just email him (email address shown in his listing) quickly and he COULD upgrade you through extra paypal payment. He is well trusted and dependable...I have purchased 3 from him (only 1 through eBay...1st model without microphone). *I have 2 of them without microphones (used a Y connector and connected my own microphone) And he listened to my request to make them with microphones :) I have emailed him and sent him some of my results...with always a return email. But if you got the microphone "without" the pushbutton you can just use an external switch (modification) to allow the mic to have a pushbutton...(More convenient to purchase that way though) *and the same even IF you didn't get the one with the microphone at all. This new model he has out now was the results of a request by me again...for a "pushbutton" model to add even MORE possible positive results for us :) Though the adding of a microphone button would have eventually turned up anyway ;) You have an excellent idea in your hook up for a LIVE evp capture attempt. Might I also suggest a TAP to include a recorder connection as a 2nd chance of hearing the evp (they can be easily missed), and also a connection for headphone connections (or Y connector for both)...because these can be "very-very" low audio and easily covered in the "hiss" from the white noise you will ALSO capture....Happy SAFE Hunting

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Mmm, I don't have any financial gain in this guy on eBay...he just happens to be someone that has something we need. And so happens to be the one that designs them so he can modify to our special requests. Lucky Us ;)

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Here is the link to the eBay site with the Raudive Diode Receiver with the push button microphone option. This is actually the picture he sent me of MY receiver after he modified to my specifications.....

Now they are an option to other buyers at a higher cost than without the switch of course....


http://cgi.ebay.com/EVP-Raudive-Diode-Receiver-Microphone-Switch-Ghost-Hunt-/220732655484?pt=UK_Gadgets&hash=item3364b1077c#ht_2065wt_905

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Here is what I have received from this Microphone/Switch Variety Raudive Diode Receiver....I haven't been out much lately because of the cold weather, but the last 4 days were nice (but I only used one time). This one is HARD to hear of course. Use the headphones-and still might not help. The capture was recorded on my Sony ICD-B16 and is the FIRST capture I ever got on this recorder....

 

My name is Jim (mentioned in recording)

Attachment: DENOISED-high-lowpass-amped-help_jim-evp.wav (Downloaded 593 times)

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Got my unit, not massively impressed that its all sealed up so you can't check things! Well I have and improved one of the connections.
Tested and shows its open to HF frequencies on one side, the side with the inductor anyway thats the ring of the 3.5mm plug.
The other side is indeed open and there is a scrolling sound probably generated in the home.

I intend to take it out into the country and try soon.

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What do you mean by using the phrase "open"?? In electronics the word open means that the connection has been broken...then you also say that you "improved" upon one of the connections...does this mean that an area was poorlyy soldered?? My last question (2 really)...does his circuit design include a metal shield around his choice of electronics...and what is used in the design?? I have never "broke or cut" mine open.

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Hi

some clarification :-)

In this case open was used to indicate 'receptive to'

Yes, I was annoyed to find a earth loop buzz on the one channel so when I opened it I was not surprised to discover a bad connection.

There is a resistor with one of its legs sticking through the card cover that is meant to touch the foil wrapper.

He had not cleaned the leg and it still had gum on it, so I cleaned it and used a clip to attach it to the foil.

Yes, he has a foil wrapper around the circuits with a card insulator..

 

Anyway I tried it last night using just a simple cassette recorder.

I found it to be quite sensitive on its own.

The attached file (compressed and cut due to size limits here) will let you hear the results.

All I can hear is some bumps that might be due to tape impurities.

With no audio pick up, they are surprising all the same.

I don't hear any evp type voices but then I am bad at that.

Let me know?

Attachment: R.Diode27.2.11.mp3 (Downloaded 428 times)

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Howdi,

Not alot of time but I wanted to say hi...

Good info on the diodes...

I have been dealing with trying to quantify all this - I still am in disbelief and have my issues - however and I havnt got back into working with this almost 3 years now - why - cause the last few recordings I got I couldnt explain - kind of a shock an awe deal...

I have discovered some things and I really hate to devulge because I have felt so srong that the world really isnt ready for this...

I am not here to judge - it is like a thing inside me that prevents me or makes me feel that way - could be bad entities succeeding - who knows...

However - I am going to shed some light to help you...

1) Dont use opamps (anymore) (note to to the prev post on peamps etc...

When I get a religious station popping in with no tuning circuit for a few seconds; that worries me LOL...I had to start from square one..out goes the pretty little opamp...

So - go discrete - diodes, pn junctions, there seems to be some collectiveness here...you see how slow this is all taking place?

I am looking at more front end discrete sophistication - but I got personal problems, stuff to do, things that seem to hinder my work - thats why I am releasing what I know, or have been supposedly told by 'outside' sources...believe me this is hard for me to deal with...but I have improved since the last recording and want to get back into this...

As for the ebay stuff and Raudive design (with antenna!) - one experiment was to use the crystal radio - wiggling the diode was like changing stations quickly...then theres 1500AM land...

Save your money - $70+/- for this equipment? Wow...I would investigate the circuit but I wouldnt trust it...why...its a crystal radio...you dont want radio waves.

Example (untested by me yet) was a 600 or 10K ohm resistor input across mic input to recorded (IE no mic - just the resistor!) - results were obtained.

We are looking at electromagnetic induction here (one means of many)...ie just electrical OR magnetic, or both...there is a list...

And then there is the new problem of our own minds putting these messages onto recorders...I have solved that problem but not tried yet...I have all the means necessary to continue...

Work with discrete - all discrete - no opamps - and no EBAY stuff ! Dont buy what you cant see !

Supposedly, the entities are using many means to try and communicate (elcetronicaly); I seem to have access to many - I just need to design and build; but I have problems to work out...

The most reliable results: simple handheld 'TAPE' recorder...now with that having microcircuits...you see the need for work...

Good Luck!

Ok a hint has arrived in my head...a resistor changes to heat - its voltage can vary - into a voltage to frequency => audio into recorder...the need for transducers...no mic or...I dont know...

Wish me luck too ! I added my homepage to my profile if it isnt there already...

(ps Sorry about the typos - it is the info that counts! Besides most of our recordings are bits and pieces too...but there is info in the noise and we know that)

MrZeta

 

 

 

 

 

 

 

 

 

 

 

 

 

Last edited on Apr 8th, 2011 09:18 PM by MrZeta

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I have actually used a Stereo/Mono 1/8" adapter on the Input to recorder microphone with NOTHING attached. What this does is remove the recorders internal microphone from the circuit...and replaces it with NOTHING....so by rights, you shouldn't hear a thing. I tried it one time and heard a voice...and have plans on doing it more in the future. Try it :) Seems more and more possible that they are not (or don't need) to use the microphone....maybe they are actually getting in by the window of the glass on the recorders internal "diodes". And it has been proven that these signal receiving diodes CAN detect and transfer light to energy.

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Hi all I'm new to this forum but not this topic. I have been experimenting with different models of raudive receivers. This past weekend I made a basic set up and fit all circuitry inside the stereo adapter. I wasn't expecting to get anything, but to my surprise after making a one minute recording i received an evp that stated "This is A test". This kinda has been messing with me all day.

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Hehe, welcome to the forum.
Lucky you...found a willing evp "test partner" :)

I've ran through "tests" and they say things like "I can't believe this...can you hear me?" and "it works Jim". Can't say it won't keep you up at nights at first though. LOL

I too use the Raudive Receivers. Have been trying out the IR Diode Receivers here lately though.

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clockdryve wrote: Hehe, welcome to the forum.
Lucky you...found a willing evp "test partner" :)

I've ran through "tests" and they say things like "I can't believe this...can you hear me?" and "it works Jim". Can't say it won't keep you up at nights at first though. LOL

I too use the Raudive Receivers. Have been trying out the IR Diode Receivers here lately though.


Hey Jim :-)

How you been getting on with the IR diodes?

 

Mike

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...two years later... I make a little amp I call AM boost for the AM tuners in the boxes, so got the idea to drive Raudive circuit with the boost circuit. Still working on it.

 

F-S

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Wow Mike....I can't believe I missed this post from way back in April :blushing:

Sorry about that. I have not been out much at all this summer. Only a few EVP recorded. How you been? I think of you quite often I do.

You ever try the normal Digital Recorder.... (by it's self) much any lately??




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I got most of the parts to build it. But two things not sure about. One can l use a 14 gauge copper wire for a antenna and dose this look like the right 500UH RF CHOKE

Attached Image (viewed 1845 times):

b9c2_35.JPG

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The antenna wire gauge is heavy to give stiffness...the actual gauge isn't important.

The choke you have is very efficient and will work very well blocking radio frequencies. However, a Raudive detector is limited to detection of higher levels of noise and is not selective to random noise. It may be swamped by strong broadcast signals in your area. Goodluck...try to stay away from populated areas.

Joe

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Thanks for your help, I am put raudive detector circuit inside a metal box. What do you use for a antenna.

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since the circuit is broadband, the antenna length isn't critical....you can use anything from a long insulated wire to a stiff piece of wire..just don't touch the grounded metal box

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So you have to ground the box. Can you tell me how to do it. Just learning how to make this stuff for ghost hunting.

Thanks
Miles

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Has anyone tried using much newer Schottky diodes rather than germanium? They have a slightly lower forward threshold voltage and insignificant reverse leakage so should be more sensitive. They are what the low-signal crystal set boys are using now I believe.

1N5711, 1N5712 are typical Schottky types and not much more expensive that germanium diodes.

But can someone please explain what these circuits are supposed to do? As far as I can tell, they are just very wide-band RF detectors, any audio component rectified and passed to the audio input of the recording device.

I can see that there is likely to be massive amounts of mains hum induced into the recorder, masking whatever is supposed to be recorded. Apart from adding a high-pass filter, I guess the easiest solution is to record at least a few hundred yards from anywhere with electricity - middle of a field or forest...

Thanks,

Jan

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No replies in three months?

So guys, have you been experimenting and what were the results?

Jan

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Hi Sirma,

Welcome to the forum.

Thank you for your encouraging comments.

Germanium diodes have long been the diode of choice for non-powered crystal radio sets...which is what the Raudive Diode was originally based upon.

A germanium diode has a lower forward voltage drop than a silicone diode. While the drop may seem miniscule... roughly 0.1 - 0.2V compared to 0.6V...it is enough to make the germanium diode a tad more efficient in using the small amount of available current generated in a non-powered radio application.

I hope this answers your question. If not, please continue to keep asking questions till you are satisfied.


Kindest Regards,
Ron

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ArizonaEVP is spot-on about the voltage drops of germanium and silicon diodes. But as I said in post 79 of this thread, Schottky diodes have a slightly lower forward voltage drop than germanium, but more importantly, they have insignificant reverse-leakage current, similar to that of silicon diodes. And they are quite cheap too.

In layman's terms I guess you could say that Schottky diodes are more sensitive, though sensitive to what in EVP experiments I doubt anyone really knows.

I've experimented with all three types, but to be honest haven't had any convincing results. Mostly just picking up a mashup of radio signals or mains hum.

I know there are those who say the 'entities' manipulate these signals into meaningful phrases, but I'm starting to think the brain does that, particularly when you're provided with an interpretation before you have even listened.

Good luck,

Jan

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That looks like a "Stereo" cable as opposed to a "Mono" cable.

Is that additional piece of wire really helping with detecting a signal or is it weakening the signal because of more material to travel through?

When you touch it, does it humm?

When you record, do you get repetitive spikes?

How does screwing it to some metal thing like I see you did ground it? Does it ground it noticably? Are the EVPs clearer with it grounded or is it more receptive with the feedback?

I am trying this set up with diff wires and antenna to see how I can get a clearer audio.

Anyway, keep up the good work [email protected]

Attached Image (viewed 638 times):

setup1.jpg

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I haven't had time to listen or read all through this but wow - just listened to a recording on page one where the diode was just left alone. It sounds like a bunch of porpoises,but i definitely hear "he's stroking the pick up, we're so happy that he's stroking the pick up " over and over. so crazy!

This is my husband's neck of the woods - electrical engineer and Ham radio operator but big time skeptic so maybe one day he will come around. He has listened to SETI and what not and says nothing to report. How to convince someone like that ??

Last edited on Apr 8th, 2014 01:18 AM by asil

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Well, one of the configurations I've messed with I was able to get a recording of what sounded like "Let me think, I'm not ready yet". Like if you put a mic to someones face to do a mic check and they didn't know what to say.

With your husband being an electrical engineer, could you ask him this. One cable I'm messing with is a diode on a "Belkin" brand name stereo cable, then I touch the tip of the diode and I get a hum. I then also took an old set of stereo headphones, ripped the headphone section off and twisted all the cables together and then attached the diode. When I touch the diode to see if its getting a signal, there is no hum.

What confuses me is that I know headphones can be used as microphones, I've tested it, but I don't understand why it is not getting a signal.

Maybe the wire setup is diff?

if I were to use musician cables, (1/4 inch I believe).. should I be using the shielded cables.. or the un-shielded cables?

Does the thickness of the wire come into play at all? Like, if the wire is thicker does it help move the signal or does the bulk of the material water down the signal? I guess the term would be impedance?

I should probably just stick with the set up I'm using that got the one EVP but I'm just trying a few things to see if I can get a better recording of it..

Tips on cleaning up the recordings would be nice (such as parametric settings)

------------

Been looking around for info.. I think thicker cable is the way to go.

http://www.education.com/science-fair/article/electricity-move-better-thick-wires-thin/

The headphones had thinner wires, the "belkin" brand wire seemed a bit thicker... bit I still get these weird spikes like it wants to be grounded but I'm not sure on how to ground it.. Does connecting the ground wire to something metal really work.. I have some old hard drives, I could just maybe stick the wire in one of the screw holes if you folks think that would actually work. I thought it actually had to connect into the ground for it be be grounded.

Last edited on Apr 8th, 2014 05:03 AM by Grimus

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It is tough to tell if it is actually getting a signal if when I touch it, it does not hum.

Is this how everyone else here who is messing with this is determining if their setup is working?

---------
Edit: After checking, it hums when I touch it no matter which way the diode is pointing, which is odd because I thought the whole thing about diodes what that it only had a signal going 1 way. I must be messing up my terms... but how do you folks know if your set up is ready to get a signal?

Last edited on Apr 8th, 2014 01:21 PM by Grimus

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I mentioned I caught an EVP in a previous post. I figured I might as well share it here.

This is the same clip, repeated 3 times.

The first time is the original signal, the second is filtered using a thin parametric line (to try to find where the piece in the signal is), and the 3rd is it using a noise reduction filter, volume boosted, and then EQed.


"Wait, lemmie think about it"

Attachment: WaitlemmieThinkAboutit_2.mp3 (Downloaded 563 times)

Last edited on Apr 8th, 2014 01:16 PM by Grimus

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I hear a small voice, but how do you know its not just a radio signal?

Last edited on Apr 10th, 2014 09:38 AM by NKiernan

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That's the recording.

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I'm still messing with filters and setups but this is one that I made like 5 mins ago. I attached a larger antenna on it. I had to cut it significantly to get it to a size that would upload on here.

No clue what it is saying and I was going to just delete the file but desided to throw a few preset filters I had onto it to clean it up quick and to see what I got.

Sounds male while the other one sounded female.

No clue what it is saying but I definitely hear some phonetics.

Attachment: RecordedWithLargerAntenna.mp3 (Downloaded 499 times)

Last edited on Apr 8th, 2014 08:15 PM by Grimus

ArizonaEvp
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Hello Grimus,

Welcome to the forum.

The pic you reference in post #84 is basically a diode with an input antenna and output to a mic jack.  While Keith has the ground wire of the mic cable attached to the project box,  the rudimentary circuit is still ungrounded.  If you were envision the setup without the project box you will see how basic it is.

This is just another variation inspired by the Raudive Diode.

If you do a search on this site for raudive diode you will find a few threads that delve into various designs.

If you wish to gain an overview of the Raudive Diode...you can read through this thread:

http://www.itcbridge.com/forum/view_topic.php?id=2080&forum_id=5


I listened to your recordings and found them interesting.  When you start applying filters to the point of hearing the higher pitched musical sounding notes...you have over-processed the file which makes it hard for others to perform analysis.

It's always better to upload an unfiltered version of your recording wherever possible.


Keep plugging away with your experiment. 

BTW...Here's a pic of a very basic use of a diode:


Regards,
Ron



Attached Image (viewed 682 times):

diode_jack.jpg

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It's good to see people are still experimenting, although very disappointing that after 50-odd years of using the diode method (or any other method as far as I can see), we still haven't got anything like clear, unambiguous communication.

No doubt folks will point me at some recording in which they CAN hear unambiguous communications, but all I can ever hear in these is noise. But then after 20-odd years of listening to weak radio signals my brain has been trained away from aural pareidolia so perhaps people with my kind of background are more likely to hear only what's really there.

Anyway, back on topic... As also spending decades as an RF engineer, I can confirm the use of a germanium diode for signal detection.

And Grimus, you'll get hum either way the diode is connected because AC hum is just that - alternating current. One way you'll pick up the negative half cycles of the AC waveform, and the other way the positive half cycles. That's the theory anyway, but in practice there is unlikely to be sufficient signal to make the diode conduct in either direction under those circumstances and your audio circuits are probably just picking up leakage through the diode without it conducting at all.

But is there any evidence the EVP can be detected with a diode? If so, does this not suggest EVP is electromagnetic radiation? In which case they should be picked up by sensitive radio equipment. (Yes - some researchers say that have done that, but neither I nor any of my colleagues ever have heard any paranormal signals on any frequencies between at least 10 kHz and 70 MHz. Perhaps we were just listening in the wrong place. (And my God, we must have totalled many, many thousands of hours between us!)

If the entities are manipulating noise (or the brain's perception of noise - which is an interesting idea) from sounds from tape, diode radio signals, water, etc. then an audio noise gernerator would be worthy of consideration, and if anyone is interested I'll post some links.

My husband has a Physics PhD who dismisses all this stuff thus: "If after all these decades of research no one has yet come up with a testable theory against the evidence, it's either all wishful thinking nonsense, or lacking any real evidence. Either way you're wasting your time."

But I'm still interested...

Jan

Last edited on Apr 10th, 2014 05:51 AM by Jan

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Hi Jan,

That's some great feedback, appreciate it.

I am interested in your mention of noise generator, as I am currently working on something. I have also had the opportunity to observe spirit influencing many forms of radio (longwaves, AM) 3Khz-about 58Mhz , my individual and personal challenge lies in refining the intelligibility of what I am working with.

Please share what you mentioned. I may be familiar with some of it, but certainly not at the level of which you and your husband are. There is always something to learn.

Thanks,
Keith

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After looking over this thread, I am interested in anyone's audio samples of any work they do with diodes at this point in time....

..particularly, if there is electrical noise or hum, I am also as equally interested, regardless of how noisy you think it is. From what I've seen, most diodes will have to be amplified....

Email me, could take me some time to get back to you.

Thanks,
Keith

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Yes Keith, I'm pleased to help.

I've always thought that if it's a noise source researchers want, why not use a constant, reliable electronically generated, volume-controllable source?

Using radio tuned away from stations for background noise is just leaving the experiment open to various RF signals (including Morse code, teletype, fax, data, SSB, etc.), many of which will sound paranormal to the uninitiated, particularly on short wave. (I know, I've been shown some "EVPs" obtained like that. On at least one occasion I had to say: "No, sorry love. It's not your deceased brother, it's the Shannon VOLMET USB aircraft weather station and you're trying to listen on a simple AM shortwave radio.)

Using foreign-language tapes - reversed or otherwise - I also feel is provoking pareidolia.

The following circuits generate random noise. Presumably roughly 'white noise'. (There is pink, brown, blue and grey amongst others! But I doubt the spirits care what colour it is.)

Some of the circuits will be suitable to go directly into the mic socket. Some have more output and would be better for the line in/phono input. Just experiment.

===

http://technosains.com/WhiteNoiseGenerator.htm

I suggest C2, 3 and 4 are increased in value to say 10 uF to give better response at audio frequencies.
=============

http://www.wiringcircuit.com/oscillator/Simple_White_Noise_Generator_2606.html

I shouldn't worry about the mention of power supply ripple if you run it off a battery, and 9V should be enough. Maybe reduce all resistors by say 20% for 9 volts.

===========

http://lh-electric.net/bin/TC008.gif

That should run off 9V easily too without any changes.

======

http://montalk.net/emwng.html

Interesting because this one will generate audio for EVP background, and RF for diode detection methods.

=====

Anyway, you get the idea, just Google "audio OR af noise generator circuit OR schematic" for plenty more.

Good luck and I hope we get some results feedback on here...

Jan

PS: If anyone posts any results, PLEASE don't suggest what phase we should be hearing. We'll never get objective results that way.

PPS: Actually, Morse or teletype from "beyond" would probably be an unambiguous signal if anyone could read it.

Last edited on Apr 10th, 2014 01:34 PM by Jan

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ArazonaEVP, that diode jack thing looks interesting, I'm going to try that tomorrow, hopefully I understand the concept right. I'm not sure if it is trimmed down of bent over and soldered somewhere else in the back that I cant see. I'll mess around but I don't expect to catch any EVP if there isn't a ghost around. I was hoping that, with the larger antenna, there would be more frequencies available that the entity could manipulate into a message but I think it was overkill.

I'll keep messing around, I get the concept of making frequencies available that, in an undisturbed state, sound like weak static and giving whatever entity that can jiggle those frequencies around into something usable. Similar to that "transformer" in the movies that changed radio stations to find a way to communicate. I think his name was bumblebee or something like that..

I get that concept, I'm just trying to make sure that the diode set up is correct and that if I am going to listen to static through some diode antenna, that I'm actually using the diode antenna haha.


Any idea on how I could make sure that the diode is detecting a signal? Maybe wiggle it infront of the tv or something with static? Do you think just bare wires hooked up to an audio jack would also just crackle and static?



I'll mess around more with it tomorrow. Thanks for all the replies and tips for this EVP stuff. I see electrical diagrams but I don't quite get it, I see "signal flows this way".. and getting that humming when I touched the diode really confused me since I thought that the diode would only let the signal flow one way.. maybe there's a thresh hold on how much signal it won't allow back through the reverse route that I went past? I don't know. I think I need some electrical testing gear to verify signals are going through things I think they are going through.

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Thanks Jan, don't be surprised if I contact you directly in the future regarding this subject area..... :)

What are your thoughts on visual programming such as Synthedit to create virtual modules to do the same thing as the circuits you described, but without any parts needed?

Thanks,
Keith

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Hi Keith,

I have no experience with Synthedit, but if it produces a variable level of background noise, I see no reason why it shouldn't work as well as any other noise generating system.

In fact I expect there are a number of websites that will generate any 'colour' of noise you like - I never thought of looking, even though I use various websites to generate audio tones as sine and square waves, Morse code from text, etc.

Good luck with the experimenting - perhaps you'll generate some clear, unambiguous EVPs.

Jan

PS: No problem contacting me with this site's PM system.

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Quick sidenote, don't want to track this thread off too far.....

did some digging again on Bill Chappell's work, he has a lot more video out now than when I first dug into some of his creations back in 2008....now I feel I have a better idea of his intentions, thought process, etc...

If you're not familiar with him, check out digitaldowsing.com and youtube him....

a man with interesting ideas....approaching it from what appears to be a scientific and methodical detail, as further exploration that is gathered as more input for the next time.....without any apparent attachment to the idea of spirit communication...

Thanks,
Keith

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This question isn't intended to divert the conversation from germanium diodes and evp. But if anyone here is familiar with java programming, it would be really helpful to be able to sample the mic input and scan evp audio files just so we can see some raw numbers from the sample to see if some numbers appear that don't appear with recordings that have been determined to not have any evp recordings.

Even if this simple program could be used to create number output that could be scanned for flags, indicating that the file is worth giving it a closer look.

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New recording done about 40 mins ago:

First part is the original signal. Then I inserted a camera sound to signal the start of the "cleaned up" signal.

The cleaning up basically consisted of EQing through some headphones.


Analysis:

"Can they hear us? Hey, hey you, can you hear us? Hey, hey you, can you hear us (this?)?"


(note: recording was much longer and this audio resolution has been lowered to meet the upload requirements of below 1000000 bytes. )

Attachment: 5_15_recording.mp3 (Downloaded 597 times)

Last edited on Apr 15th, 2014 12:57 AM by Grimus

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Sorry, all I can here is low frequency noise and tone of about 180 Hz which step-varies by 5 Hz three or four times.

Jan

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That seems to be in the range to look though.


"The voiced speech of a typical adult male will have a fundamental frequency from 85 to 180 Hz, and that of a typical adult female from 165 to 255 Hz."

http://en.wikipedia.org/wiki/Voice_frequency


I'm open to suggestions on where to look. Not too fond of the idea of looking at the reverse track or using pitch shifters to bring the low end up to the vocal range though.

I also seem to think that using noise generators is counter productive, since a lot of "time" is spent cleaning it up and getting rid of ambient static around the abnormality.

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Correct, that's the fundamental frequency, but it's misleading to consider it as the source or origin frequency for speech. It's just a very rough approximation of where the harmonics come from. It's not really much use in speech analysis and won't show up as a line on a spectrum of speech, as would say a musical note from an instrument.

As you'll have read, that article also says that the frequencies 300 to 3400 Hz is where the intelligence of speech is concentrated. Fortuitously early carbon telephone microphones responded well in this range, and for various technical reasons that's why communications voice channels still use this part of the audio spectrum.

You just won't hear anything integrable if the voice channel is restricted much below about 1500 Hz. If you have any sound software play about with the upper and lower frequency limits with speech to see what I mean.

Jan

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Hmm.. I'm not sure what to tell you. Technically, nothing is hooked up and I'm amazed that I'm getting any kind of signal at all.

Also, when getting some kind of static from essentially boosting and filtering nothing, I am inclined to observe that there is random sounding static, and within that random sounding static there are a hand full of non symmetrical/non-interval patterns which leads me to focus on those areas.

Going off of the concept that any non-bodies entity could attempt to make use of ambient frequencies to "voice" a response. I would think to filter everything outside of the basic voice frequency range, cut the low end and boost the highs just to sharpen any mid/high pronunciations.

Since I'm expecting that an entity on recording would not be generating any frequencies themselves, just slightly "realigning" the ambient frequencies, I wouldn't expect it to move a graph very much since it is not injecting any signal but only slightly modulating it.

I would also have to accept that since it is only slightly modulating frequencies, there would still be ambient static within the basic frequency range that it is not currently in the act of manipulating.



I am also currently favoring using as small an antenna as possible,the little metal bit hanging off the diode is all I'm using. I tried it with a larger antenna but I think it just picked up too much. I'd rather have the entity struggling to be heard and giving me the chance to hear it with as little interference as possible then for me to have a bunch of jumbles because I'm asking the entity to modulate too much signal.


Some thoughts that come to mind that I want to try in the near future is to submerge the diode to see if the liquid can create some kind of "sound booth" for any non-bodied visitors.

If I'd press record and just got a flat line, I'd actually be happy because there is nothing to figure out.

If I'd press record and just got steady TV style static, I'd be happy because its just static.

But there are patterns in the static and I'm hearing something other than silence so I'm interested.

Last edited on Apr 15th, 2014 03:09 PM by Grimus

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Submerged the tip of the diode in a bottle of water (glass encasement was not submerged). I took a few recordings with a few diff setups setups.

After about 30 mins of recording diff setups and fiddling with clips that I thought I heard something interesting in, all I think I got (from this review session) was some guy whispering:

"It's wet".

Here are 3 clips separated by a camera sound.


Clip one is the raw signal. Clip 2 it brushed up a bit, I think you can really hear the "It's wet" more defined, but quieter. Clip 3 is it processed to harder. The abnormality is louder but less defined.



"It's Wet."

Attachment: ItsWet.mp3 (Downloaded 552 times)

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[edited: After thinking about this recording, I realize that I was watching some stand up comedy prior to recording. To me, this recording sounds almost like a mockery of what was on TV earlier. As if someone put a mic in your face expecting you to jabber away for a mic check, you had nothing to say, so you just did some improvised standup in a mocking stylings of what you just watched. Sounds more fun to me than constantly saying "Mic check, 1,2,1,2.. test test test". on a recording that you are not even sure will be heard.]

New recording, 4-20-2014:


--setup notes--
This setup is using an empty glass bottle filled with water.

Inside the bottle is about 6 or 7 inches of exposed wire supplied from the braiding of a 1/4 insulated cable.

The other end of the exposed wire is connected to the diode, diode connected to a 1/8 stereo cable to the mic input.
---

file notes:

Clip1: original signal but boosted
Clip2: noise reduction and then boosted
clip3: (repeated 3 times) EQ and boosted.

-----------

Analysis:

To me, it sounds like some obscenities. Maybe not so much obscene towards a person but obscenities being used to describe the frustration of situation.

Unlike some recordings I review that I can hear what sounds like words with multiple syllables, this one sounds like it consists of a series of single syllable words.

Attachment: 4_20_2014.mp3 (Downloaded 507 times)

Last edited on Apr 20th, 2014 04:18 AM by Grimus

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I'm still messing with the diodes but I've also decided to look towards "speech to text" recognition.

Here is the file, it has been cleaned and boosted, also formatted to meet upload specs. The cleaning and the eq was to make the most out of the vocal frequency mid/high range.

I can't hear anything in this personally but this mix was not designed for me to listen to. I then sent the file (a 60 second test file after letting any ghost buddies around know I was going to be testing) through a speech to text program I'm fiddling with and what the speech to text says it got was:

"At one at it and it got"

Can you hear it?

No?

Than how did the software?

Attachment: 4_29_2014.mp3 (Downloaded 293 times)

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There is a speech to text program? I would really appreciate the name of that software. I've always wanted to try something like that.
                                   
                                                                                    Thanks Neil

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I decided it give the germanium diode to speech to text test another whirl, just to see what I got. I also wanted to get a smaller clip so the uploaded file could be better quality.

In this one I got: "I knew who "

Attachment: 4_29_2014_b.mp3 (Downloaded 486 times)

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NKiernan wrote:
There is a speech to text program? I would really appreciate the name of that software. I've always wanted to try something like that.
                                   
                                                                                    Thanks Neil



I'm messing with this one right now. I have a handful of others I'm fiddling with but this one actually gave me something where others gave me nothing, so it has my attention right now.

http://download.informer.com/win-1193153046-473b97f9-5c36ca8f/wavetotextsetup.exe

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Grimus
                          Thanks but the link isn't working. what's the software's name?
                                   
                                                                                                               Neil

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Sorry about that, I guess the link was time sensitive.

It is called "Ultra Wave to Text". I'm using the demo because its a bit pricey for just having it scan static.

Here is another link:
http://www.ultrashareware.com/WaveToTextSetup.exe

its a bit funky to get it to work.. run the "CSharp" exe in the "CSharp" folder...

I'm guessing it was built using visual basic and c sharp.

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Results of a 10 min recording (raw file too large to post) :

Germanium diode hooked up to an antenna, ran through a few audio filters, and then ran through a speech to text program.

Note: depending on how the noise reduction filters are set, the results generate a word over and over again.. in some cases, depending on the process, it reads the reduced noise as the word "on" or "one" or "the"..

You can usually tell which words the filters are generating since it repeats that word over and over again.. like " one one one one" or "the the the the".. I usually read these results and discard the filter generated words.




I'm still working out the filters but check this out, this is what I got out of a 10 min recording:

--------------------

If you have to have to have to have to have been a while and have to have to have to have what I then get the hello them that the than the a Faulk hello the quilts Guinn's the the hello the than the the the urban guilt for affordable the fall the than the the the than the the Theis that hello ? Call me the hello a the the the than the fault for afford the the hello a that how the the hello the the the the the the hello their afford the off on though the the the than the the the the hello the the hello the the the hello the hello gaffe the the hello the they've the the the hello the quilt fog in fault foggy the god fault thousand that the athletic one gotta then the the than hello the gardens the than hello Kevin Carr affordable the hello the them the than the a eight rogue and the than silent so the fourth for foreign loans go Gifford hello the than the the the the hello the the than hello the than " how for the the the their four a for the hello the the than hello the . the the than hello a the the form the than the than the than though if all the the hello the the hello though the than hello the the hello the thus I'm gay the us the them for the them to a that the foggy the the the than the the than the than the a form the than the AV the them the guerrilla Goetz the hello the than the than the than the the them the than the than the than what hello them the them for a fans this the hello the Ganz thou the hello Gifford than the than the than the than raw roar psalm the them the than the hello the the than hello the the thus a the outside hence the the hello though the than their near how Athens the them for hello for a forty they've go on us they've the this a thus of the Gandhi the they've the than hello the the them faults of the than four affordable means the than forty that means the awe things that you code the they've the Faulk one the unformed fog athlete that the than four a form the than the than " hello the than the than their affordable to us the than hello the they've the Co. they the foreign the than cry for a fault : gilts have the means that hello the fault thousand than their hello the the hello the than the they've the the hello of them for a foggy the hello the gains the what fault fault Sami other there hello of Hammons them affluence the unless a therefore they unfortunately of form for affordable than the moon's the four affordable the they're affordable the unformed how the the eighty unhook milk ganor hello the than four a former affair affordable and get fault suba hello the than affable out the the than other hello the math the quilts of the four affordable than they fault fair where affordable the than at hello of fallout the hello the the the them Queens the them and give the them another hello fault for offense that the former a fen the former a faults in the oak Wong for a fee of the then the four affordable of the the other nominal the them into a wry notes OM affable there affordable and up the they're a former a forum for affair four a fault for a felts sons therefore a phones that may not have though their four a foreign the them and are hello for a fama want cents for affordable unquenchable the golden's for affordable the them and guilt fault thousand faults reform the nominee that able to give the the what hello > writes of the the owns fault for affordable them the ovens thou shalt thousand ever hello to a the queue our hello them the than a core hello the the the the the the the qualm the than other hello graffiti a than a plea for the the the them the former a former a form the form this the the them and graffiti the them though the the than the the the the therefore offense fault for a fall then a OM the therefore the the they've the the the the than the them the them the the the the the them they them a a a the ovens than the a them the them the believe that the the the the the price of the the the the than the the the Goetz faults thousand than the the the than they the the the the the other a for a form the the the the the them for offense the than the them the the the the the the the the the them and the than the ultimate hey the the the them they then the them the them for a phenomenal the form the they're a for a fault thousand four a four a form the them the the than fault for a foggy the the the the them for affair affordable the the them to guilt for that the the the than the them the the the the other a form for affordable the than the them the the the the the them that the the than they them and their affordable Athol the the the the the the the the than the the them to the site they then the than the them the them in the the them the the the the the the the than the the than the them the than the than the than the a than the the them after a four a fault for a phones that the the them and give the than the than the them for a four a phones the the than the the the the the the the the the them for a for a fault for the the the the the than the the than the the them the the them in the the the Gahr a faults enables the though a that hello the them the the the the the they're a four a for a fault for a form the the the them the the than the the the the the than for a felt fault for offense the than the the unable the the than the though the the them the nominee of the the them the the than a good the them the the than the four offend the the the the them fault fault so the the than the gamba when the early of four a for a fault for affordable than the them to a than a them of the than the the the them for a femme the the the them the then the the than the than the the a savvy than the hello the the let women's the hello the than the the another who the foggy for affordable than the the unformed for a foggy the form the the the than the than the the the the the the the than the than the the the the the the the the them the that's a the men's go for a fen the than OM for a fatuous go the the the the than the a the the the the for a fault for a fen though fault for a for a fault for a fault for a FA Wah way for a fault sense the they're a four a faults or a four a foggy for affirming good them for a fault four a form the than the the unable the the the the the the a good for a faults or a file the them and their affordable though the the the than the the than the them for a fault for a fault for a four a for a FA Wah Wah math enforce a them the than the the a than Guerra fault fathom what hello the them than the four a four a FA we fault for affordable than the than earlier hello the that's a the fault for reform the them than the faults reform the the the the the unformed the the a that have the the the the the the the the the them for a four a four a four a fault fault for a fault for a for a four a fault for a four a four a for a fault for a phenomenal the the than the the the the the the them for a for a four a for a form the the the the the the the the them the the the the the the the the than the for a fault for affording the the the than the the the than the the the fault for a fathomable guffaw give the the

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I am pretty intrigued, I must say...I'm filing this program into the memory banks...for future dusting off...

Keith

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Hey folks, check this out, its the same thing we are doing here only in program mode.. The filters were calibrated using the germanium diodes.

Also on Zippyshare...

http://www34.zippyshare.com/v/57712069/file.html

The Evil Dictator and Witch Doctor:

Two programs in 1, "The Evil Dictator" is an EVP Lab that allows you to record, filter, and extract speech from any kind of EVP Recordings. It is currently calibrated for energy microphones ( EVP Mics, Diodes, etc. ) but this build includes a studio that allows you to manually create filters and save them as presets for future recordings. Once recorded, you can then run the recording through the an additional process to extract the text of any detected speech.

The Witch Doctor is a Bio-Resonance / Sonic Therapy machine that has presets to treat over 1,000 conditions. It is based off of research by "Royal Raymond Rife" and has minimal hardware requirements. This build also includes additional modern sonic therapy experiments that tries to build off of Rife, and other contributors research.


(I removed the attached image because I felt the underlying iconic character was inappropriate and because the image offered no additional information than what you've already posted - Ron)

Last edited on Jul 8th, 2014 09:39 PM by ArizonaEvp

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While I have not run the program, I did download and scan it with Norton and it reports no threats found.

Here is a portion of the Read Me file:


This build is a BETA TEST, as in it may have some kinks
or dependancies that still need to be worked out.

--------------------------

Important:

  There is a button labled "Load Preset Settings" in the program.

  First time users need to load the settings file
"EvilDictator_LoadSettings.gws" located at: C:EvilDictator

-----------------------------------

This software has been tested only on Windows XP.

You might run into problems if you don't have some of the
required dependancies.

If you have problems running this program, here are a few
things to check.

---------------------------------

Do you have the right default device settings selected?

In the control panel ( Start>Control Planel>Sound and Audio Devices )
Make sure that you have the right "Default Device" and not something
like "ManyCams" or some other virtual mic.
 
---------------------------------

You can select which speech engine you use.

Down by the clock on the bottom right hand side of the task bar,
You should probably see a small microphone icon.

 Right click that> Settings> Speech Recognition, Properties,
Advanced Speech, and in the "Language" box you should see something
like:  Microsoft English Recognizer v5.1

---------------------------------

 Make sure you have all your windows updates.

-----------------------------------

You may also need the Speech SDK 5.1:
 
http://www.microsoft.com/en-us/download/details.aspx?id=10121

-------------------------------------

  You will also need to have MS Framework 4.0 or greater.

http://www.microsoft.com/en-us/download/details.aspx?id=17851

-----------------------------

If you run into problems starting this program, you can try
clicking on the Elect_EvilDictator.hta file located in:  c:EvilDictator



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