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hephooey
n00b
Joined: 24 Feb 2003
Posts: 74
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 Posted: Thu Mar 03, 2005 2:06 pm Post subject: weird behavior of pcm volume with alsa |
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| I use an au8820 chip, the problem appears after I updated to the alsa-1.0.8 (both driver in the kernel and lib), If I turn up the pcm volume from 0%, at first it's ok, the sound becomes louder and louder, but just after the volume is set to 50%, the sound will fall back to the minimun, then the sound will be load again if I keep turning it up. It feels like the pcm volume is divide to two fold, both 0% and 50% corresponding to the minimum volume, and both 49% and 100£¥ correspond to the loudest sound. does anyone here experience the same problem? |
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Gentoonie
Apprentice
Joined: 06 Apr 2004
Posts: 205
Location: near Munich | Bavaria | Germany
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| Posted: Thu Mar 03, 2005 8:11 pm Post subject: |
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never heard of it, but you can try to override it by setting a volume via command line.
| Code: | | amixer set PCM 100% unmute |
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hephooey
n00b
Joined: 24 Feb 2003
Posts: 74
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| Posted: Fri Mar 04, 2005 2:42 am Post subject: |
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| Gentoonie wrote: | never heard of it, but you can try to override it by setting a volume via command line.
| Code: | | amixer set PCM 100% unmute |
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instead I tried
| Code: | | amixer set PCM 50% unmute |
the sound again can hardly been heard. every mixer I tried gives the same result, that's why I think it's an alsa problem, many player control the volume using pcm by default, though I can change the setting of all my player, I hope there can be a better solution |
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