On Sun, 2009-11-15 at 11:48 +0100, Artem Makhutov wrote:
> You can use an .asoundrc to encode 7.1ch PCM to AC3 or DTS and use the 
> SPDIF over HDMI as output device.

Tandem coding is not healthy for audio quality if highest quality
matters and DD at handles 5.1 "only".

> I am also not aware of any SPDIF cards, that can output PCM 5.1ch or 
> 7.1ch audio without encoding audio to AC3 or DTS manually....

No it's not possible because SPDIF has rather limited bandwidth. It was
designed for 48 kHz 16 (up to 20) bit stereo PCM originally.

The situation with Nvidia HDMI audio is perhaps improving, by Googling I
found this one:


Perhaps it's soon time to search for a passive cooled G210 or GT220


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