ja pouzivam skript:
#!/bin/bash
amixer -c 0 set Master 100% unmute
amixer -c 0 set Front,0 80%,66% unmute
amixer -c 0 set LFE 53% unmute
amixer -c 0 set Surround,0 99%,99% unmute
amixer -c 0 set Center 90% unmute
mam ruzna nastaveni a podle potreby si zavolam skript ktery chci.