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

Tim Goetze tim at quitte.de
Mon Nov 4 14:49:01 UTC 2002


Steve Harris 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?

tim




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