Re: Sound is clipping - alsamixer isn't working
From: Anders Breindahl (skrewz_at_skrewz.dk)
To: email@example.com Date: Tue, 26 Jul 2005 00:48:41 +0200
On Thursday 21 July 2005 17:27, Lars Stokholm wrote:
> Installing ALSA (alsa-base and alsa-utils) broke the sound on Debian
> too. I did it because MPD sounded like the sound was played from within
> a tin can, or something. XMMS is clipping on OSS and ALSA. Before
> installing ALSA, only OSS was working, but it wasn't clipping.
Do I get it correct: OSS works flawlessly under Debian, while installing ALSA
If that is the case, you've got a remedy there.
> > Actually, I'd like to see the output of `lsmod`, too.
> $ lsmod | grep snd
> snd_intel8x0 36460 2
> snd_ac97_codec 69988 1 snd_intel8x0
> snd_pcm_oss 55080 0
> snd_mixer_oss 20096 3 snd_pcm_oss
> snd_pcm 98728 2 snd_intel8x0,snd_pcm_oss
> snd_timer 25732 1 snd_pcm
> snd_page_alloc 11752 2 snd_intel8x0,snd_pcm
> gameport 4704 1 snd_intel8x0
> snd_mpu401_uart 7968 1 snd_intel8x0
> snd_rawmidi 25124 1 snd_mpu401_uart
> snd_seq_device 8200 1 snd_rawmidi
> snd 57156 9
>_mpu401_uart,snd_rawmidi,snd_seq_device soundcore 10336 3 snd
> > If you enabled the OSS mixer API in the kernel -- could an
> > OSS-mixer-application control the hardware, then?
> I'm sorry, but I don't know what you are talking about.
In Linux' menuconfig:
OSS Mixer API
x To compile this driver as a module, choose M here: the module x
x will be called snd-mixer-oss. x
x Symbol: SND_MIXER_OSS [=y] x
x Prompt: OSS Mixer API x
x Defined at sound/core/Kconfig:49 x
x Depends on: !M68K && SOUND!=n && SND x
x Location: x
x -> Device Drivers x
x -> Sound x
x -> Advanced Linux Sound Architecture x
x -> Advanced Linux Sound Architecture (SND [=y]) x
x Selects: SND_OSSEMUL x
More or less, if you compile your own Linux'es, this enables you to use ALSA
without using ALSA-aware mixers.
If this API emulation enabled you to change mixer volumes, the problem you
have was limited to the ALSA mixer API (and the driver itself could be good
You could try it out. I really am running low on advises, though.
Regards, Anders Breindahl.
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