Dear Faust community,
I am currently doing some experiments with pm.modeFilter and am
running into some issues that I can't find a solution for.
When "pinging" pm.modeFilter with a simple trigger while modulating
its frequency, I occasionally get extremely loud, clipping signals.
Here is a code example that produces this behaviour:
// WARNING - VERY LOUD SIGNAL
import("stdfaust.lib");
trig = ba.pulsen(1, ma.SR / 4);
freq = no.noise : ba.sAndH(trig) * 12 : abs : rint * 200;
process = trig : pm.modeFilter(freq, 0.6, 0.1) <: _, _;
In this case I am using a sample-and-hold to get one of the first 12
harmonics of the base frequency (200 hz).
Interestingly, the issue does not occur when instead using a fixed
filter frequency or modulating it randomly without constraint to the
harmonics. Could switching between the harmonics be the cause of the
issue, maybe by causing some unwanted additional resonance that gets
out of control?
I'd be happy for any hints on how to get the filter working as expected.
Best,
Florian
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