Subject: Re: [linux-audio-dev] time stretching and compression under Linux ?
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Mon Nov 12 2001 - 16:11:12 EET
On Sun, Nov 11, 2001 at 01:43:42PM -0500, Paul Davis wrote:
> >i'm looking for a powerful time stretching and compression
> >tool for Linux, something on the level of the ProTools plugin.
>
> i've mentioned the SCRIME tools ProSpect and ReSpect before. they are
> not plugins, and are not even particularly well designed in the sense
> that one them uses a kernel module to accomplish something that
> SCHED_FIFO would do. but they are higher quality than anything else
> i've heard except some Roland h/w.
They are also (unneccesarily?) slow, and don't produce very good results
with polyphonic material.
> that would be unbelievably crazy to do with these tools, which are
> aimed at musical quality transformation of sound. multiple sound card
> sync can be done with much simpler algorithms than you use for time
> stretch and compression.
Yes, if you just want synchronisation you can proably get away with
resmapling. See JOS's homepage:
http://www-ccrma.stanford.edu/~jos/resample/resample.html
- Steve
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