[PlanetCCRMA] Re: [alsa-devel] External Sound Card

Clemens Ladisch cladisch at fastmail.net
Tue Oct 30 11:13:00 2007

John Dey wrote:
> I am looking for a external sound card that has spdif (7.1) 
> functioning.

7.1 encoding is done in software, not in hardware.
I don't know of any 7.1 encoder for Linux.

ALSA has the a52 plugin that can do 5.1 encoding for any sound
card that has SPDIF, but you'd have to compile it with the ffmpeg
library to get it to work.