Laut
http://alsa.opensrc.org/Terratec_Aureon_5.1_USB_MK.2 sollte diese Box ja gut unterstützt sein...
Hatte bis jetzt die ALSA-Treiber, die mit dem Kernel mitgeliefert wurden verwendet und da wollte diese Box nicht so recht, weswegen ich jetzt das alsa-drivers Paket mal probieren werde.
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# grep ALSA_CARDS /etc/make.conf
ALSA_CARDS="usb-audio via82xx via82xx-modem"
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Kernel
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Loadable module support --->
[M] Enable loadable module support
Device Drivers --->
Sound --->
<*> Sound card Support
Advanced Linux Sound Architecture --->
< > Advanced Linux Sound Architecture
Open Sound System --->
< > Open Sound System (Deprecated)
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# equery list -i alsa
[ Searching for package 'alsa' in all categories among: ]
* installed packages
[I--] [ ~] media-libs/alsa-lib-1.0.14_rc3 (0)
[I--] [ ] media-libs/alsa-oss-1.0.12 (0)
[I--] [ ~] media-plugins/alsa-plugins-1.0.14_rc3 (0)
[I--] [ ~] media-plugins/gst-plugins-alsa-0.10.12 (0.10)
[I--] [ ~] media-sound/alsa-driver-1.0.14_rc3 (0)
[I--] [ ~] media-sound/alsa-headers-1.0.14_rc3 (0)
[I--] [ ~] media-sound/alsa-utils-1.0.14_rc2-r3 (0.9)
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# cat /proc/asound/cards
0 [Audio ]: USB-Audio - USB Audio
USB Audio at usb-0000:00:10.1-1, full speed
1 [V8235 ]: VIA8233 - VIA 8235
VIA 8235 with ALC250 at 0x1000, irq 20
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Wenn ich nun als root "speaker-test -c 6" ausprobiere, passiert folgendes:
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speaker-test -c 6
speaker-test 1.0.14rc2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 2048 to 16384
Period size range from 1024 to 1024
Using max buffer size 16384
Periods = 4
was set period_size = 1024
was set buffer_size = 16384
0 - Front Left
4 - Center
1 - Front Right
3 - Rear Right
2 - Rear Left
5 - LFE
Time per period = 17.557879
0 - Front Left
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jedoch höre ich nur bei Front left und right etwas.
Wenn ich die .asoundrc von oben genannter Seite verwende, dann:
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speaker-test 1.0.14rc2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
ALSA lib pcm_direct.c:971:(snd_pcm_direct_initialize_slave) unable to install hw params
ALSA lib pcm_dmix.c:876:(snd_pcm_dmix_open) unable to initialize slave
Playback open error: -32,Broken pipe
ALSA lib pcm_direct.c:971:(snd_pcm_direct_initialize_slave) unable to install hw params
ALSA lib pcm_dmix.c:876:(snd_pcm_dmix_open) unable to initialize slave
Playback open error: -32,Broken pipe
ALSA lib pcm_direct.c:971:(snd_pcm_direct_initialize_slave) unable to install hw params
ALSA lib pcm_dmix.c:876:(snd_pcm_dmix_open) unable to initialize slave
Playback open error: -32,Broken pipe
...
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