Re: via82xx: problem with distorted sound

[Gustavo Guillermo <gustavo@compunauta.com>]

Try using ARTS and noatun or mplayer (or whatever supports arts) as a 
sound output, and tell arts to sample to 4800, it works for me.


>>>>>>>>>>>>>>>>>> Mensaje original <<<<<<<<<<<<<<<<<<

El 19/01/04, 1:57:44, detlef.grittner@t-online.de (Detlef Grittner) 
escribió sobre el tema [Alsa-devel] via82xx: problem with distorted 
sound:


> I have problems with the via82xx sound module, which puts out distorted
> sound.
> I'm using the via82xx that comes with kernel 2.6.1 and I'm using the
> module that came with my distribution's kernel 2.4.24.
> The problem exists with the module from kernel 2.4.24, but things got
> worse with kernel 2.6.1.

> When I'm playing a sound with xmms, after a while there is a jittering
> noise. It goes away if you press pause and play again in xmms.
> The noise always occurs at the same position in the song, if you start
> play back at the beginning of the sound and don't interrupt it.

> I have already experimented with the source of the via82xx module, but
> regardless what I do: The problems is always *exactly* the same.
> Changing the dxs parameters or the ac97 clock doesn't help either.
> During my experiments I managed to get rid off the "invalid
> via82xx_cur_ptr, using last valid pointer", but this seems not to be the
> real problem. This was the only error message I had in the log file.

> Even more astonishing is: If you use kernel 2.6.1 and minimize and
> maximize a window in X11, the sound simply stops until the window is
> minimized or maximized. I have absolutely no idea how these actions can
> be connected.

> Here some stats about my soundcard and other hardware:
> AMD 64 x86_64 (using the 64 bit architecture)

> from lspci:
> 00:11.5 Multimedia audio controller: VIA Technologies, Inc.
> VT8233/A/8235 AC97 Audio Controller (rev 60)

> cat /proc/asound/cards
> 0 [rev60          ]: VIA8233 - VIA 823x rev60
>                      VIA 823x rev60 at 0xb800, irq 3


> Any ideas what I should do?

> Detlef








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