Op Thu, 07 Jan 2010 00:35:08 +0100 schreef Nils Erik Svangård <nilserik@xxxxxxxxx>: > Hi! > I'm having trouble getting surround sound working with my M Audio > Delta 1010LT over S/PDIF. > > When I run: >> speaker-test -Dplug:surround40 -c4 -l1 -twav > > It seems that all channels have been mixed into my two front speakers, > no sound on my two rear speakers. > I have tried playing movies via mplayer using the -channels 4 > argument, but it still seems to mix all into two channels. There is > however activity on four channels when viewing in Envy24Control. > I theory is that there could be two things wrong, but I lack the > skills to verify which one it is. > > 1. Is it possible that my default config for 1010LT is wrong. > > 2. The second problem could be that my Onkyo TX-SR507 reciver is not > able to decode the PCM-stream over P/DIF correctly. I dont think thats > the problem thought. > > > Any ideas and tips on what might be wrong, and stuff that I can try is > very welcome. I am at loss what to do right know. I cant find anything > I can use on google. > > I have run the alsa-info.sh script and the output from that is stored at: > > http://www.alsa-project.org/db/?f=3a02befed28d8b63180bf8135861cd00ff1531ff > > > Thank you. > /nisse > > PS: I sent a version of this mail before I was a subscriber which went > directly to the moderator, so that mail might show up here in the > future. :DS > I had also trouble to get my spdif connection to work properly, but I found a solution to hear my movies in surround. I know you can edit your .asoundrc to copy the signal of the front speakers to the back speakers, but my receiver will do this for me, so I didn't need this. Make sure you have a Dolby or DTS surround file and try to play it with mplayer mplayer -ao alsa:device=spdif -afm hwac3 <file> maybe you have to replace "spdif" with "iec958" good luck, floris ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user