[linux-audio-dev] detune

fons adriaensen fons.adriaensen at skynet.be
Sun Jan 15 11:04:40 UTC 2006


On Sun, Jan 15, 2006 at 03:20:56AM +0100, Tim Goetze wrote:

> You can periodically window and granulate the signal, resample the 
> grains and resynthesize -- that's the faster way, doing it all in the 
> time domain. You'll get some comb filtering from the time-stretched 
> phase cancelling out during grain overlap, but if you're only doing 15 
> cent, it might turn out just fine.

Randomising the grain positions a bit gets rid of the comb filtering.
It may introduce new artefacts, but these are often 'nice'.

-- 
FA



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