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Re: [fluid-dev] Fluidsynth reverb settings


From: S. Christian Collins
Subject: Re: [fluid-dev] Fluidsynth reverb settings
Date: Thu, 17 Mar 2011 14:43:23 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.14) Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

I don't know if this helps, but these are the reverb values I use for Fluidsynth and I am quite happy with the sound. Now, I have set these values in Qsynth, so I am not sure if the numbers are different in Fluidsynth:

Room: 65
Damp: 18
Width: 76
Level: 75

From there, you can adjust the room level to the size of the room you desire. 65 gives a hall effect, 75 a large hall, and 89 a really spacious hall. Of course, to really hear the effect, you will need to adjust CC 91 to increase the reverb for each MIDI channel. Some presets may incite a bit of reverb already even if CC 91 is set to 0, depending on how the preset is programmed inside the SoundFont bank.

-~Chris


On 03/12/2011 11:49 AM, 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!

Cheers,
Gerald.

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