[linux-audio-dev] Re: Cheby amp code

Steve Harris S.W.Harris at ecs.soton.ac.uk
Mon Nov 4 17:32:00 UTC 2002

On Mon, Nov 04, 2002 at 08:42:26 +0100, Tim Goetze wrote:
> >I've attached some example code that generates a saw wave (p), applies a
> >nonlinear function (x, p^2 * 0.3 + p^3 * 0.73 - p^5 * 0.1), a highpass
> >filter and a delay (about 16.1 samples), then puts the transfer function
> >into a table (ignoring the delay). It can guess the correct input/output
> >alignment by looking at the shape of the out-of-sync transfer function.
> >
> >There is an example here: http://plugin.org.uk/tmp/foo.png
> not bad.
> have you tried it with real-world data yet?

Nope, dont have any yet. I'l try grabbing something of a distoriton pedal
or something, can you try one of your amp?

- Steve

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