| View single post by fratka | |||||||||||||
| Posted: Feb 26th, 2007 12:52 PM |
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fratka
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A few years ago I was studying the components of EVP and our atmospheres response to soundwaves, I stumbled upon a rather reliable technique. By using a frequency generator and a ultrasonic transducer I could project ultrasonic waves into a room and would record very good EVP's and even get audible speechout of thin air. It seems that nature has it's own brand of simple heterodyning. I only tried this in houses I deemed to be haunted by other recorded and measured activity. Anyway, the broad sound spectrum I noted seemed to work as a reference. I thought I would post it here to see if you could put it to some use. Let me know if you have any questions.  Harmonics: 
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