Re: [fluid-dev] Fluidsynth reverb settings

[David Henningsson]

On 2011-03-12 18:49, Edenyard wrote:
> I'd appreciate some simple guidance on how to adjust Fluid's reverb
> settings at the command line. I've tried 'man fluidsynth' which seems to
> indicate that various reverb parameters are adjustable, but it gives no
> clue as to what the valid range of values for 'num' might be in each
> case, nor how to actually specify the command on the command line.
>
> I've also tried googling 'fluidsynth reverb settings' etc., but so far
> to no avail.
>
> I've been using Fluid V1.0.9 and have just installed V1.1.3. I'm running
> it on Slackware 12.2, in case that matters. So far, my command line
> looks like this (all on one line):
>
> /usr/local/bin/fluidsynth -s -i -K 48 -g 1 -C 0 -R 1 -a alsa -o
> audio.alsa.device=hw:0 mysounds.sf2
>
> That has worked for me but obviously uses some unspecified default
> reverb settings, which I'd now like to try experimenting with.
>
> I'd be very grateful for whatever light anyone can shed on the mystery!

Hmm, I don't think it's currently possible to specify those parameters 
on the command line. Try running fluidsynth without the "-i" switch, 
you'll get a shell. In that shell, you can issue the "help reverb" 
command. Then try putting outrageous values in and it'll tell you the 
maximum values. Looks like there is room for improvement in the user 
friendliness here :-)

You could also try things like
echo "rev_setlevel 10" | fluidsynth (still without the -i switch)

// David