View single post by EVPDave
 Posted: Oct 25th, 2007 03:33 AM
PM Quote Reply Full Topic
EVPDave

 

Joined: Mar 7th, 2007
Location: USA
Posts: 206
Status: 
Offline
Thanks for the comments and feedback Laura. Last night I made some changes to the optical microphone and used the photomultiplier tube instead of the photodiode arrangement. The results still require filtering however the photomultiplier has a different response to the flame. Here is an example capture.

"Making fair speed at talking normal"

Thanks again,

Dave

 

Attachment: 102407makingfairspeedattalkingnormal.mp3 (Downloaded 1171 times)