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The command below renders an audio file using FluidSynth:

fluidsynth -a jack  -o synth.gain=.8  \
   -C0 -R1 -T wav  -F test.wav mypiano.sf2 test.midi

The -R1 parameter activates the reverb. So far so good.

I wonder how I can set the reverb level, reverb width, roomsize and damping.

I tried adding parameters which I respectively found at http://www.fluidsynth.org/api/fluidsettings.xml and https://forums.scummvm.org/viewtopic.php?t=14379

-o fluid.reverb.level=.3

-o synth.reverb.level=.3

Both resulted in errors (fluid.reverb.level and synth.reverb.level are valid paramaters.

How can I set the FluidSynth reverb parameters using the command line? I am running on Debian (FluidSynth version 1.1.6)

iep
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  • Off-topic, but in case it helps: I use QSynth as a front-end for FluidSynth. It has a much nicer interface: https://qsynth.sourceforge.io/ – Nikos C. May 26 '19 at 12:58
  • Hi Nikos, I use fluidsynth without a user interface. – iep May 26 '19 at 12:59

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