FAQ008
From the ALSA wiki
| The FAQs have been reorganized. The new location of this question is FAQ#How can I see whether a channel is muted in alsamixer? |
How can I see whether a channel is muted in alsamixer?
Check for a little "MM" at the top of alsamixer's display. "MM" means the left+right stereo channels are muted. You can toggle muting on or off by pressing the "m" key.
