I also had: aplay -l
**** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 I basically emerged alsa-plugins and went through alsaconfig document again, followed by mixer settings to make certain all channels are unmuted. I looked at the sound card ports, and the optical was lit up red, so I connected it to the receiver, and it works now! Thanks :-)