At Sat, 05 Aug 2006 16:42:44 -0300, Tim Burrell wrote: > > >> I'm trying to get multichannel sound working on my nvidia nforce 590 > >> based mobo that uses the intel hd audio (nvidia mcp55) chipset. It > >> plays fine in two channels but any attempts to use -Dsurround51 or > >> -Dsurround40 fail. Ie: > >> > >> Playing WAVE 'space_battle.wav' : Signed 16 bit Little Endian, Rate > >> 44100 Hz, Channels 6 > >> aplay: set_params:906: Channels count non available > > > > That's correct. Use -Dplug:surround40, because the count of channels from > > the .wav file has to be converted to four. > > I just upgraded to 1.0.12_rc2, and I've got a lot more mixer controls in > alsamixer now. I can see front, rear, surround, etc. And now I can > finally specify -Dplug:surround71 to get 8 channel audio! > > However, there is one problem. On my card the channels are not exactly > correct when running speaker-test. The side and rear speakers are > reversed. I double checked this with my card's manual, and in Windows. Does -Dplug:surround51 work as expected? > In dmesg I see the following: > > hda_codec: Unknown model for ALC883, trying auto-probe from BIOS... > pdplus: version 0.0.5 > hda-intel: Invalid position buffer, using LPIB read method instead. This is irrelevant. > Also, curiously, using the same settings as speaker-test (which works > fine), aplay hangs when trying to play multichannel audio files. Same > for mplayer (with or without -channels settings). What do you mean "hang"? Takashi ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
