I'm not certain the secondary peaks would matter very much though? It seems to me that maybe the most useful model would be not a wavelet transform but some fo

I'm not certain the secondary peaks would matter very much though? It seems to me that maybe the most useful model would be not a wavelet transform but some form of DCT? At any rate, the point is that the frequency domain matters a lot, since our brain essentially receives sound data converted to the frequency domain in the first place...