Mild sound distortion with FreeBSD 5.3-BETA7
Travis Poppe
tlpbsd at gmail.com
Tue Oct 26 15:50:10 PDT 2004
Thanks!
This seems to be an effective workaround for the problem. However,
what causes it in the first place? I don't recall having a problem
with any of this in the 4.X series (the default buffer worked fine).
-Travis
On Tue, 26 Oct 2004 02:24:38 -0400, Suleiman Souhlal
<ssouhlal at freebsd.org> wrote:
> Hello,
>
> On Tue, 2004-10-19 at 13:15, Travis Poppe wrote:
> > I've recently noticed a mild sound distortion in XMMS and other
> > applications that output sound. I'm not sure when I started noticing
> > this, but I don't believe it has always been present in the 5.x branch
> > (and if it has, I haven't noticed it up until a month or two ago).
>
> You should be able to fix it by using a bigger buffer. To do this,
> change line 48 of src/sys/dev/sound/pci/emu10k1.c from:
>
> #define EMU_DEFAULT_BUFSZ 4096
>
> To something like:
>
> #define EMU_DEFAULT_BUFSZ 8192
>
> and recompile the kernel/modules. If this doesn't work, you can also try
> using an even bigger buffer size, such as 16384, but then, you will have
> a noticeable delay between the time you press play and start hearing the
> music (it shouldn't be too bad, unless you play games).
>
> Bye.
> --
> Suleiman Souhlal | ssouhlal at vt.edu
> The FreeBSD Project | ssouhlal at FreeBSD.org
>
>
>
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