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looking for graphic equalizer

 
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The Grey Matter



Joined: 25 Jul 2005
Posts: 1
PostPosted: Mon Jul 25, 2005 8:05 am    Post subject: looking for graphic equalizer Reply with quote
for my next homebrew game i'm looking for a way to transform an raw WAV data to an information that can be used to create a graphic equalizer.

I will be gratefull if anyone can share with me how WAV files are built, and how can i convert a WAV to a set of numbers i can later transform to graphicl "bars" .
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turkeyman



Joined: 20 Oct 2004
Posts: 75
Location: Brisbane, Australia
PostPosted: Mon Jul 25, 2005 9:15 am    Post subject: Reply with quote
Wav files:
http://www.borg.com/~jglatt/tech/wave.htm
http://www.sonicspot.com/guide/wavefiles.html

Fast Fourier Transform: (conversion to frequency spectrum)
http://mathworld.wolfram.com/FastFourierTransform.html
http://faculty.prairiestate.edu/skifowit/fft/

its a fairly involved topic.. too much to discuss here..
gl :)
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