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Re: [fluid-dev] static in output

From: Josh Green
Subject: Re: [fluid-dev] static in output
Date: Mon, 16 Feb 2004 21:13:59 -0800

Also make sure you are running FluidSynth as root for low latency
SCHED_FIFO scheduling, or alternatively increase audio card buffer size
and count (thus increasing latency). Like Garett mentioned, some more
info about when static is heard (particular to certain instruments,
related to system load, constantly heard, etc) would be helpful.
        Josh Green

On Mon, 2004-02-16 at 19:07, Garett Shulman wrote:
> Can you give more info about you setup? Processor, Memory, OS, sound 
> card? Can you be more specific about the unwanted sound you are hearing? 
> It only occurs in the lower octaves with sustain? Could it be clipping 
> from having the gain to high? Have you tried adjusting the gain in 
> fluidsynth to something low like 0.6 or 0.3? I doubt changing the code 
> will be of much help. I run a 600MB rhodes sound font (used to be a 
> .gig) fine on an athlon 1700 with 750MB of ram, a delta66, and alsa. 
> Sounds great even with lots of voices. The latency is unnoticable to me 
> even though I don't have kernel preemption enabled and some of the 
> sample data is being swapped.
> -Garett
> address@hidden wrote:
> >I hear static from fluidsynth when I use ~40 megabyte grand piano
> >soundfonts and I play in the lower octaves with the sustain pedal down.
> > (I've noticed CPU usage is pretty high when I do that, too).  Does
> >anyone know ways to get around this (command line switches, code
> >changes)?   I'm willing to sacrifice latency or number of simultaneous
> >voices for a clean performance.
> >
> >
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