Re: [linux-audio-dev] Some help with my BPM algorithm?

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Subject: Re: [linux-audio-dev] Some help with my BPM algorithm?
From: Alfons Adriaensen (fons.adriaensen_AT_alcatel.be)
Date: Tue Mar 23 2004 - 12:56:07 EET


On Tue, Mar 23, 2004 at 08:45:15AM +0000, Steve Harris wrote:

> I think therers also a wavelets function that can do correlation of audio
> more effeciently than a linear search, but I might have just dreampt it :)

Filter, take amplitude, downsample, FFT, power spectrum, inverse FFT.
This gives the autocorrelation. Select the highest peak.

-- 
FA


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