Re: [Alsa-user] Capturing and playing dolby digital steam

2014-10-22 Thread Clemens Ladisch
Alan Bromborsky wrote: > could you explain why > > arecord -f cd -D plughw:0,1 | aplay - > > works with 5.1 channel ac3 streams even though I have "-f cd" set. AC-3 is a mechanism designed to transport surround sound over S/PDIF, which has only two channels. It compresses the data so that it has

Re: [Alsa-user] Capturing and playing dolby digital steam

2014-10-19 Thread Clemens Ladisch
Alan Bromborsky wrote: > I have a sound card (Xonar D2) with a toslink input that works. I am > able to input optical output of a cd player and play it with my sound > card via > > arecord -f cd -D plughw:1,0 | aplay - > > The question is what are the correct command line parameters to use if > th