That profile appears to exists in ALSA configuration. $ pasuspender -- speaker-test --channels=6 --device=surround51:0 speaker-test 1.0.27.2 Playback device is surround51:0 Stream parameters are 48000Hz, S16_LE, 6 channels Using 16 octaves of pink noise Channels count (6) not available for playbacks: Invalid argument Setting of hwparams failed: Invalid argument $ aplay -L null Discard all samples (playback) or generate zero samples (capture) oss Open Sound System pulse PulseAudio Sound Server sysdefault:CARD=PCH HDA Intel PCH, CA0132 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog Front speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=PCH,DEV=0 HDA Intel PCH, CA0132 Digital IEC958 (S/PDIF) Digital Audio Output hdmi:CARD=NVidia,DEV=0 HDA NVidia, HDMI 0 HDMI Audio Output hdmi:CARD=NVidia,DEV=1 HDA NVidia, HDMI 1 HDMI Audio Output hdmi:CARD=NVidia,DEV=2 HDA NVidia, HDMI 2 HDMI Audio Output On Monday, February 24, 2014 11:27:58 AM Tanu Kaskinen wrote: > pasuspender -- speaker-test --channels=6 --device=surround51:0 -- -- Sean McCully -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 230 bytes Desc: This is a digitally signed message part. URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20140224/32f77d69/attachment.pgp>