[pulseaudio-discuss] Pulseaudio and USB sound device M-Audio Audiophile USB

Stephan Seitz stse+pulse at fsing.rootsland.net
Thu Jul 2 13:24:55 PDT 2009


On Thu, Jul 02, 2009 at 06:58:35PM +0200, Stephan Seitz wrote:
> Well, you are right, it seems then to be an ALSA bug.
> The M-Audio is the second sound device. „aplay -D hw:1,1 test.wav” works,  
> „aplay -D hw:1,0 test.wav” and „aplay -D spdif:1 test.wav” don’t work,  
> probably spdif:1 points to hw:1,0.

Hm, but if I understand linux/Documentation/sound/alsa/Audiophile-Usb.txt 
correctly, this is correct. hw:1,0 is for digital in, hw:1,1 is for 
digital out.

I am not sure anymore where the bug is. In this case I think pulseaudio 
should distinguish between digital out and digital in. Alsa seems to 
connect spdif to digital in and is missing one for digital out.

Shade and sweet water!

	Stephan

-- 
| Stephan Seitz             E-Mail: stse at fsing.rootsland.net |
| PGP Public Keys: http://fsing.rootsland.net/~stse/pgp.html |
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