How to generate an acoustic fingerprint? I am programming in java. Are there any libraries or algorithms for doing this under LGPL? I am converting the sound file using FFT (using class for doing fft from this library http://sirk.sytes.net/). The output I am getting is FFT values which I assume by looking at the code are magnitudes of sound. How to generate and acoustic fingerprint that and how to compare it to check whether two sounds are matching?
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