On Mon, Jan 28, 2002 at 09:01:52AM +0100, Jaroslav Kysela wrote:
> On Mon, 28 Jan 2002, Erik Mouw wrote:
> > The manual shows that the Windows drivers make a difference between the
> > analog and S/PDIF output, so I expect that ALSA can do the same. Could
> > somebody shed a light on this before I dig up a datasheet and hack the
> > driver myself?
> 
> Because ICE1712 chip offers 10-channel playback for professional PCM
> device, you need to specify the channel conversion policy for alsa-lib to
> convert standard stereo stream for hardware format.
> 
> Plugins are described here (or in alsa-lib/doc/asoundrc.txt):
> 
> http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html#pcm_plugins
> 
> Look for 'Automatic conversion plugin' and 'route_policy' keyword.
> 
> More information about configuration files can be found at
> http://www.alsa-project.org/alsa-doc/alsa-lib/ page.

Thanks, that explains it. I also found the datasheet for the ICE1712,
and that makes it completely clear (as usual with datasheets :).


Erik

-- 
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Faculty
of Information Technology and Systems, Delft University of Technology,
PO BOX 5031, 2600 GA Delft, The Netherlands  Phone: +31-15-2783635
Fax: +31-15-2781843  Email: [EMAIL PROTECTED]
WWW: http://www-ict.its.tudelft.nl/~erik/

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