Wei Ni wrote: > I used mplayer to test. The channels are mapped good. > Running mplayer -ao alsa:device=hw=0.3 6ch.wav > > I tried to use speaker-test to test, but I can't get the hdmi device name. > I used speaker-test -Dsurround51:NVidia -c6, the sound output from the analog jack. speaker-test -Dhw:0,3 -c6 Or put a line pcm.hdmi = "hw:0,3" into your ~/.asoundrc or the /etc/asound.conf file, then you can just use the device name "hdmi" everywhere. HTH Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel