I also wrote about it on alsa list http://sourceforge.net/p/alsa/mailman/message/33066914/ because I found information about http://alsa.opensrc.org/SurroundSound#Custom_Routing_of_Signals_to_Surround_Outputs but no answer yet. 2014-11-22 16:36 GMT+01:00 sabayon11 <sabayon11 at gmail.com>: > I don't know how to test it in a correct way. I don't know what hw:0,0 > stands for in my case. So far I did: > > I chose surround 4.0 and tested in settings > http://i.imgur.com/0zBIvDV.png > I could hear only rear left, rear right. > > With the same setting I tested command > speaker-test -c2 -t wav -D rear:0 > > speaker-test 1.0.27.2 > > Playback device to rear:0 > Rate set to 48000Hz, S16_LE, 2 channels > files WAV > frequency set to 48000Hz (requested 48000Hz) > Buffer size range from 64 to 16384 > Period size range from 16 to 16384 > Using max buffer size 16384 > Periods = 4 > was set period_size = 4096 > was set buffer_size = 16384 > 0 - Front Left > 1 - Front Right > Period time = 2,731817 > 0 - Front Left > 1 - Front Right > > I can also hear youtube and music player but not line in (TV card). > Seems to work ok with this test file and also when I press in settings > rear lef rear right but the problem is still no control for this in Master > and no sound from line in (TV tuner). The stange thing is that after I did > PulseAudio/Log <https://wiki.ubuntu.com/PulseAudio/Log> test some new > controls/sliders appeared in Kmix and I could choose the main channel and > there was option for wave surround and this allowed me to control sound > level from this one slider in kmix in tray. Although I tried to chack many > sliders Line in didn't worked. > > But when I removed /.pulse/client.conf I ended up with previous settings > where basic channel is set to surround 4.0 and there are no other options. > > I'm not sure if it is important but on card label I have CT4830 while > aplay reports CT4832. > > pulseaudio verbose log as described here (with surround 4.0) > https://wiki.ubuntu.com/PulseAudio/Log > I played youtube, tv tuner and radio stream from clementine > http://pastebin.com/CDmpLkn1 > > I read something about aplay and here are some additional command outputs > http://pastebin.com/33ybF6S4 > > > > 2014-11-22 15:32 GMT+01:00 Raymond Yau <superquad.vortex2 at gmail.com>: > >> >> > >> > Hmm it is too complicated for me. >> > >> > This model of SB doesn't have front panel connections. >> > >> > Anyway I can use it by choosing surround 4.0 but when using surround >> changes in volume of Master chanel don't change the volume of surround. Is >> is possible to force Master to control surround level. >> > Don't know if it is important but I use KDE and gnome alsamixer. >> >> >> http://mailman.alsa-project.org/pipermail/alsa-devel/2011-April/039030.html >> >> Do your ct4830 behave the same way as ct4760p or not? >> >> The driver can pan the signal to both front and rear jacks when you play >> audio to hw:0,0 >> >> _______________________________________________ >> pulseaudio-discuss mailing list >> pulseaudio-discuss at lists.freedesktop.org >> http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss >> >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20141122/7be045f2/attachment-0001.html>