http://git.alsa-project.org/?p=alsa-tools.git;a=blob;f=hwmixvolume/README;hb=HEAD
You can use hwmixvolume to change the playback volume of each application which use hw device of au8820
It allow up to 8 stereo streams or 16 mono streams
card 1: au8820 [Aureal Vortex au8820], device 0: Aureal Vortex ADB [au8820 adb] Subdevices: 16/16 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 Subdevice #8: subdevice #8 Subdevice #9: subdevice #9 Subdevice #10: subdevice #10 Subdevice #11: subdevice #11 Subdevice #12: subdevice #12 Subdevice #13: subdevice #13 Subdevice #14: subdevice #14 Subdevice #15: subdevice #15
http:// git.alsa- project. org/?p= alsa-tools. git;a=blob; f=hwmixvolume/ README; hb=HEAD
You can use hwmixvolume to change the playback volume of each application which use hw device of au8820
It allow up to 8 stereo streams or 16 mono streams
card 1: au8820 [Aureal Vortex au8820], device 0: Aureal Vortex ADB [au8820 adb] Subdevices: 16/16 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 Subdevice #8: subdevice #8 Subdevice #9: subdevice #9 Subdevice #10: subdevice #10 Subdevice #11: subdevice #11 Subdevice #12: subdevice #12 Subdevice #13: subdevice #13 Subdevice #14: subdevice #14 Subdevice #15: subdevice #15