Hi, On Mon, 2011-01-24 at 00:42 +0200, Anssi Hannula wrote: > Radeon devices have nonstandard multichannel support which is not > presently documented, and it is not supported by kernel/ALSA. Ah that's clearer now. So I guess Colin's solution is the only one workable right now. Thanks Anssi. Colin, shouldn't PA create automatically the device you mention (5.1 through a52 encoder) instead of letting the user tweak his .alsarc ? Thanks, Xav