posted on Jan, 24 2012 @ 05:17 PM
Thanks for an interesting post..and some very good discussion. I have done some analysis myself, and have found a few other recordings that seem to be
the same sound....read again "the same sound"
I am not a studio engineer and I do not specialize in recordings, but I do have some experience analyzing audio recordings to define defect
frequencies and harmonic patterns..
Like most others, I have to use downloaded videos, and convert to .wav's for analysis. This does not provide the best test material - but in the
end, the primary frequencies do ring through. After autocorrelation, and processing the signal with an FFT algorithm, the result is a graphic
representation of the primary frequencies with in a sound...if the FFT's match, there is a very good likely hood that the sounds are the same.
The Montreal and Manitoba recordings are the same sound:
" target='_blank' class='tabOff'/>
The Colorado and Costa Rica recordings are the same:
I had wanted to analyze the Kiev video, but it was way to large for me to download.
I do have the Conkiln sound, if you would like to run an FFT on your Kiev audio for comparison:
By the way, I have also performed the analysis on fracking, hump back whales and the trumpet sound from War of the Worlds....just for comparison..