Subject: Re: [linux-audio-dev] Re: Cheby amp code
From: Tim Goetze (tim_AT_quitte.de)
Date: Tue Nov 05 2002 - 02:44:03 EET
Steve Harris wrote:
>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?
sure thing. is a sawtooth from the virus ok or would you prefer
an integer cycle frequency? still have to do the rewiring if
you need it from the box.
tim
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