Anand Kumar Kalyanasundaram wrote:
On Wed, 29 Mar 2006, James Courtier-Dutton wrote:
Anand K Kalyanasundaram wrote:
Hi,
I am using the latest alsa drivers 1.0.11rc4 with the audigy 2 ZS
notebook pcmcia card (Vanilla kernel 2.6.16 on gentoo-amd64). If I
just use xmms to play something, with the optical output connected
to my decoder, the decoder detects it as "prologic" and plays it.
The channels seem to be wrong though. But my real concern is getting
ac3 passthrough to work.
If I configure xine for a passthrough and play some dvd. All I hear
is a repeated periodic noise. The same happens with "mplayer -ac
hwac3 dvd://something". The alsa sound card matrix is not clear
about the spdif output status of this card.
I was wondering if anyone got this pcmcia card spdif out to work. I
have been a linux user for a while, but I am new to fiddling with
alsa. At present, the module:snd_emu10k1 is loaded with its default
options. I am not sure if I should try other options. A search
through the mailing list archives showed that a few people used some
patch to get the audigy 2 zs (the pci soundcard version) to work.
But those postings were old, my guess is the patch should be in the
latest alsa by now. I would appreciate any alsa debugging tips and
options that I could try.
I never tested it, so I might not work yet.
I think standard PCM stereo should work, just maybe not AC3.
James
Are you talking about PCM through optical output? If so, when I use
xmms, the alsa mixer "Front" channel seems to control all sound
output. My decoder plays this on the front and left speakers. I am not
sure if the selection of speakers is determined by the decoder or by
the alsa optical output. Could you please clarify this? Can you also
tell me if there are any module options that I could possibly try?
Thanks.
Anand
Quick correction. I noticed that the PCM behaviour on linux is the same
as what happens in Windows. So I guess only thing left is to get ac3
passthrough to work.
Thanks.
Anand
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