Try toggling this control in alsamixer.
Simple mixer control 'Audigy Analog/Digital Output Jack',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off]
Try toggling this control in alsamixer.
Simple mixer control 'Audigy Analog/Digital Output Jack',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]