Le dimanche 23 janvier 2011 ? 10:16 +0000, Colin Guthrie a ?crit : > IIUC, HDMI is a digital output and as such only accepts either stereo > PCM or pre-encoded streams that you pass through directly without any > mixing or interference. Well, IIUC you're speaking about optical outputs which have the bandwith only for stereo PCM or dolby/dts encoded 6/7/8 channels, whereas HDMI has the bandwidth & protocol for 8 channels. See http://en.wikipedia.org/wiki/High-Definition_Multimedia_Interface > At the moment, only git master PA support passthrough, but you should be > able to do it via ALSA quite happily if the application supports it. Yes, 5.1 passthrough works with ALSA. > You can however set things up with a special ALSA plugin that allows you > to encode 6 channel audio into the special format and push it into the > HDMI. I blogged about this recently, so those instructions may work well > for you: > > http://colin.guthr.ie/2010/12/bobby-digital-in-5-1-surround/ I'll have a look, thanks. But that was not what I was looking for :) Xav
