Edit file File name : surround51.conf Content :# # Hardware output from 5.1 speakers # Samples must be positioned: # chn0 - front left # chn1 - front right # chn2 - rear left # chn3 - rear right # chn4 - center # chn5 - lfe # pcm.!surround51 { @args [ CARD DEV ] @args.CARD { type string default { @func getenv vars [ ALSA_SURROUND51_CARD ALSA_PCM_CARD ALSA_CARD ] default { @func refer name defaults.pcm.surround51.card } } } @args.DEV { type integer default { @func igetenv vars [ ALSA_SURROUND51_DEVICE ] default { @func refer name defaults.pcm.surround51.device } } } type empty slave.pcm { @func refer name { @func concat strings [ "cards." { @func card_inum card $CARD } ".pcm.surround51." $DEV ":CARD=" $CARD ] } } hint { description "5.1 Surround output to Front, Center, Rear and Subwoofer speakers" device_output $DEV omit_noargs true } } Save