> > 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. You have to post the pulseaudio verbose log when you playing stereo using 4.0 profile surround40 of emu10k1 is using multi plugin with two slaves front and rear EMU10K1.pcm.surround40.0 { @args [ CARD ] @args.CARD { type string } type multi slaves [ { pcm { @func concat strings [ "cards.EMU10K1.pcm.front.0:CARD=" $CARD ] } channels 2 } { pcm { @func concat strings [ "cards.EMU10K1.pcm.rear.0:CARD=" $CARD ] } channels 2 } ] bindings [ { slave 0 channel 0 } { slave 0 channel 1 } { slave 1 channel 0 } { slave 1 channel 1 } ] } <a href="http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=fb73f310f8e62e04c4b420a2316c2dfd30651b62;hp=68ae0c72a53704d416fe77d4c612d1f88d791e02">http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=fb73f310f8e62e04c4b420a2316c2dfd30651b62;hp=68ae0c72a53704d416fe77d4c612d1f88d791e02</a> Did you get any sound from rear jack? speaker-test -c2 -t wav -D rear:0 You need to use gnome alsa-mixer to find out which mixer controls affect front, rear jacks by playing stereo or mono audio to front, rear and hw:0,0 devices <a href="https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/SB-Live-mixer.txt">https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/plain/Documentation/sound/alsa/SB-Live-mixer.txt</a> The master volume only control ac97 analog mixer which is connected to front jack and won't affect rear jack I2S DAC connect to rear jack has no volume control, you need to use those DSP volume controls and add those "Wave xxx volume" to those pulseaudio conf files <a href="http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths">http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer/paths</a> Card hw:0 'Live'/'SB Live! Value [CT4832] (rev.8, serial:0x80271102) at 0xa000, irq 18' Mixer name : 'TriTech TR28602' Components : 'AC97a:54524123' Controls : 217 Simple ctrls : 38 Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 12 [39%] [-28.50dB] [on] Front Right: Playback 12 [39%] [-28.50dB] [on] All headphone and LiveDrive controls related to Live Drive (audio panel) can be removed by specify correct extin and extout module parameters Simple mixer control 'Headphone LFE',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Headphone',1 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 100 Mono: Front Left: Playback 0 [0%] [-99999.99dB] Front Right: Playback 0 [0%] [-99999.99dB] Simple mixer control 'Headphone Center',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off]