surround 5.1 over optical cable

sound pulseaudio alsa optical

well i dont know exactly what i did but following the setps here somehow got me to the point were pulse audio show me the option of digial 5.1 once again. yet to this point, althogh in the gnome sound configuration show me 5.1 it neither make a sound when i want to test it by clicking the speakers icons nor they sound when i test them in the terminal

Related

Is it possible to close a terminal tab from the command line by targeting its title?
Mount external disk via curlftps as a service
Code::Blocks 13.12 Process terminated with status -1 (0 minute(s), 0 second(s) )
transport-level error Sql Server
Cloud regions apparently fail now and then. How resilient should one expect a cloud region to be against fire or natural disasters?
VPS[DebianSQ] - Super user can't mount
Are NS records for a .com domain stored by the registrar or the .com registry?
RAM installation chart
Apache2 seems busy
Bypass Autodiscover step
"Service name is invalid" error on net start
Lock out PostgreSQL users for maintenance