[Bug 16454] Re: Sound still comes out of speakers when PCM volume is set to 0.

Yosef Harrow yharrow at gmail.com
Tue May 8 13:39:27 UTC 2007


** Summary changed:

- sound still comes out of speakers when PCM volume is set to 0
+ Sound still comes out of speakers when PCM volume is set to 0.

** Description changed:

- if the PCM volume is set to 0 (but not muted), you can still hear music playing
- through xmms.
+ if the PCM volume is set to 0 (but not muted), you can still hear music
+ playing. If you have good speakers or headphones you can here sound even
+ if Master and PCM are set to 0. Once PCM is muted, you can't hear
+ anything.
  
- Once PCM is muted, you can't hear anything.
+ Steps to reproduce:
  
- Oh, and Master Volume usually is set to high when this happens [>80].
+ 1. Play a sound file using an audio player
+ 2. Open up alsa-mixer
+ 3. Lower the PCM volume 
+ 4. Observe that even when the PCM volume is 0 (but not muted) you can hear sound.
+ 5. Lower the Master volume 
+ 6. Observe that even when the Master volume is very low (but not muted) you can hear sound.

** Tags added: alsa-mixer gnome-volume-control pcm volume

** Description changed:

- if the PCM volume is set to 0 (but not muted), you can still hear music
- playing. If you have good speakers or headphones you can here sound even
+ if the PCM volume is set to 0 (but not muted), you can still hear sound
+ playing. If you have good speakers or headphones you can hear sound even
  if Master and PCM are set to 0. Once PCM is muted, you can't hear
  anything.
  
  Steps to reproduce:
  
  1. Play a sound file using an audio player
  2. Open up alsa-mixer
  3. Lower the PCM volume 
  4. Observe that even when the PCM volume is 0 (but not muted) you can hear sound.
  5. Lower the Master volume 
  6. Observe that even when the Master volume is very low (but not muted) you can hear sound.

** Description changed:

  if the PCM volume is set to 0 (but not muted), you can still hear sound
  playing. If you have good speakers or headphones you can hear sound even
  if Master and PCM are set to 0. Once PCM is muted, you can't hear
  anything.
  
  Steps to reproduce:
  
  1. Play a sound file using an audio player
  2. Open up alsa-mixer
  3. Lower the PCM volume 
  4. Observe that even when the PCM volume is 0 (but not muted) you can hear sound.
  5. Lower the Master volume 
  6. Observe that even when the Master volume is very low (but not muted) you can hear sound.
+ 7. Mute either Master or PCM
+ 8. Observe that all sound stops playing.

** Description changed:

  if the PCM volume is set to 0 (but not muted), you can still hear sound
  playing. If you have good speakers or headphones you can hear sound even
- if Master and PCM are set to 0. Once PCM is muted, you can't hear
- anything.
+ if Master and PCM are set to 0. Once Master or PCM is muted, you can't
+ hear anything.
  
  Steps to reproduce:
  
  1. Play a sound file using an audio player
  2. Open up alsa-mixer
  3. Lower the PCM volume 
  4. Observe that even when the PCM volume is 0 (but not muted) you can hear sound.
  5. Lower the Master volume 
  6. Observe that even when the Master volume is very low (but not muted) you can hear sound.
  7. Mute either Master or PCM
  8. Observe that all sound stops playing.

-- 
Sound still comes out of speakers when PCM volume is set to 0.
https://bugs.launchpad.net/bugs/16454
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