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Re: [fluid-dev] fluidsynth tremolo (modulation)
From: |
Tom M. |
Subject: |
Re: [fluid-dev] fluidsynth tremolo (modulation) |
Date: |
Thu, 02 Jul 2020 18:14:33 +0200 |
The soundfont spec defines a default modulator for CC1. That means a value of
127 will result in a vibrato effect of +-50cents (not to be confused with
tremolo).
This default modulator is implemented in fluidsynth, see this chart:
https://github.com/FluidSynth/fluidsynth/wiki/FluidFeatures
I've just verified its correct behaviour using fluidsynth 2.1.3.
If the effect does not work for you, that default modulator may have been
overridden by the soundfont you are using. It may also be that the delayVibLFO
and freqVibLFO initial generators have been modified to cancel out any vibrato
effect for whatever instrument you've tested with. You'll need to check that
with a soundfont editor.
Tom