Re: Sound on Acer Aspire ZWLMi notebook

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On Tuesday 25 July 2006 13:08, JeeBee wrote:
> Thanks Nigel, that is the one I'm currently experimenting with.
>
> I have these installed:
> # rpm -qa | grep alsa
> alsa-lib-devel-1.0.11-4.rc2
> alsamixergui-0.9.0-0.2.rc1.fc5
> alsa-tools-1.0.10-2.fc5
> alsa-lib-1.0.11-4.rc2
> alsa-utils-1.0.11-4.rc2
>
> Then I also downloaded/compiled and installed the newest
> alsa sources 1.0.12.rc1 from alsa-project.org.
>
> The modules seem to be loaded:
> # lsmod | grep snd
> snd_hda_intel          19220  0
> snd_hda_codec         142592  1 snd_hda_intel
> snd_seq_dummy           4484  0
> snd_seq_oss            34688  0
> snd_seq_midi_event      7936  1 snd_seq_oss
> snd_seq                54224  5
> snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_seq_device          9612 
> 3 snd_seq_dummy,snd_seq_oss,snd_seq
> snd_pcm_oss            43168  0
> snd_mixer_oss          18560  1 snd_pcm_oss
> snd_pcm                79364  3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
> snd_timer              24836  2 snd_seq,snd_pcm
> snd                    56548  10
> snd_hda_intel,snd_hda_codec,snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_devic
>e,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer soundcore              10017 
> 1 snd
> snd_page_alloc         10888  2 snd_hda_intel,snd_pcm
>
> aplay does not give an error, but I do not hear anything:
> # aplay `locate KDE_Startup_new`
> Playing WAVE '/usr/share/sounds/KDE_Startup_new.wav' : Signed 16 bit
> Little Endian, Rate 22050 Hz, Stereo
>
> What more can I try?
>
> # /etc/init.d/alsasound status
> ALSA sound driver loaded.
>
> This command hangs for ever:
> # /etc/init.d/alsasound stop
> Shutting down sound driver:

Here I would have suggested, if your using KDE, to make sure that the aRts 
sound server is not running, as the card is not capable of hardware mixing, 
and aRts would interfere with other apps, as it grabs the sound card. But I 
would have expected some sort of error from Aplay in that case.

It's probably worth checking alsamixer on the CLI. I don't know what sliders 
and switches are there for that card.  The "external amplifier" switch 
sometimes causes problems, and is worth unmuting that. Hit M to toggle the 
switches, and make sure that sliders like "master" , "PCM" , and "front" are 
up.
>
> Thanks for any suggestion,
> JeeBee.

Nigel.


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