23 Mar
2004
23 Mar
'04
7:02 a.m.
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