I don’t care if it take 95% of cpu, or even if it needs 2 minutes to compute a 2 seconds visualization.

how to reach this ? jitter ? 32-time upsampling>fft ? what about wavelet transform* ?

Note: I tryed some sonogram software on mac, they weren’t that much prettier than [sonogram] in max…

* http://en.wikipedia.org/wiki/Short-time_Fourier_transform#Resolution_issues

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