Hi,
> > $ speaker-test -c6 -Dspdif:1
> >
> > speaker-test 1.0.11
>
> See http://alsa.opensrc.org/DigitalOut, for syntax
Not sure, what should be wrong with my syntax...
But maybe some more information:
$ aplay -l
**** Liste von PLAYBACK Geräten ****
Karte 0: Intel [HDA Intel], Gerät 0: AD198x Analog [AD198x Analog]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Karte 0: Intel [HDA Intel], Gerät 1: AD198x Digital [AD198x Digital]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Karte 1: Audio [USB Audio], Gerät 0: USB Audio [USB Audio]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
So unlike the above mentioned website, this soundcard has no special device
for the digital output... (The Intel stuff is the internal soundcard and
modem)
with no .asoundrc :
$ speaker-test -c2 -Dhw:1
This works fine, sound on both speakers.
$ speaker-test -c6 -Dhw:1
speaker-test 1.0.11
Das Wiedergabegerät ist hw:1
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Samplingrate auf 48000Hz gesetzt (gefordert waren 48000Hz)
Buffer size range from 96 to 87381
Period size range from 48 to 43690
Using max buffer size 87381
Periods = 4
was set period_size = 0
was set buffer_size = 87381
Unable to set sw params for playback: Invalid argument
Setzen der Softwareparameter gescheitert: Invalid argument
So this does not work. Now I create a .asoundrc with:
pcm.dmix51 {
type dmix
ipc_key 1024
ipc_key_add_uid false
ipc_perm 0666
slave {
pcm "hw:1,0"
channels 6
period_time 0
period_size 1024
buffer_size 8192
}
}
pcm.corr {
type route
slave.pcm "dmix51"
slave.channels 6
ttable.0.0 1
ttable.1.1 1
ttable.2.5 1
ttable.3.4 1
ttable.4.2 1
ttable.5.3 1
}
$ speaker-test -c6 -Dcorr
Now I get sound on all speakers (and using the corr device also on the correct
speaker) But still only through the analog output.
Here:
http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html
I found, that there is a IEC958 plugin, which is, as far as I know, another
name for spdif?
pcm.digital {
type iec958
slave {
pcm "hw:1,0"
}
}
This gives me errors:
$ speaker-test -c6 -Ddigital
speaker-test 1.0.11
Das Wiedergabegerät ist digital
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
ALSA lib pcm.c:6661:(snd_pcm_slave_conf) missing field format
Playback open error: -22,Invalid argument
So I tried to add a format field:
pcm.digital {
type iec958
slave {
pcm "plughw:1,0"
format "S16_LE"
}
}
But still no luck:
$ speaker-test -c6 -Ddigital
speaker-test 1.0.11
Das Wiedergabegerät ist digital
Stream parameters are 48000Hz, S16_LE, 6 channels
Using 16 octaves of pink noise
Sample format not available for playback: Invalid argument
Setzen der Hardwareparameter gescheitert: Invalid argument
According to this page:
http://alsa.opensrc.org/Terratec_Aureon_5.1_USB_MK.2
this card has 16Bit, so S16_LE should be correct???
There is not much documentation what formats exist, I only found S32_LE. But
that changes nothing.
Any Ideas?
Stephan
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