On Tue, Jan 18, 2011 at 11:15:16AM +0000, Colin Guthrie wrote: > People have requested h/w mixing before tho', but I'm not sure if that's > simply because their h/w supports it and they want to offload to it, or > whether they had real, practical benefits. The only practical benefit of > h/w mixing I can think of is to allow for separate sample rates to be > pushed to the card simultaneously and let it mix them (with SRC in h/w) > as appropriate. That way we don't do any SRC in software but support It also supports routing to different sets of outputs - the ringtone plus music playback example I mentioned in reply to Pierre-Louis is one of the more obvious examples. This is probably more important in the embedded case than in the desktop case.
