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#1 2012-01-02 18:29:11

egan
Member
From: Mountain View, CA
Registered: 2009-08-17
Posts: 273

Discrepency Between amixer and alsamixer Volume Levels

I've noticed that my Master channel displays different values for the volume in amixer and alsamixer.

Here are the data (alsamixer, amixer):
000 000
001 005
002 009
004 014
005 017
006 020
007 023
009 027
010 030
012 033
013 036
015 039
017 042
018 044
019 045
020 047
021 048
023 050
024 052
025 053
027 055
028 056
029 058
031 059
033 061
034 062
036 064
038 066
039 067
041 069
043 070
045 072
048 073
050 075
052 077
055 078
057 080
060 081
062 083
065 084
068 086
071 088
074 089
078 091
081 092
084 094
088 095
092 097
096 098
100 100

These values are independent from all the other channels.
Does anyone have an explanation for this?

Last edited by egan (2012-01-02 18:31:32)

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#2 2012-01-02 18:45:04

Gusar
Member
Registered: 2009-08-25
Posts: 3,605

Re: Discrepency Between amixer and alsamixer Volume Levels

I'm guessing the problem is in alsamixer. Every other tool (mplayer, xmms, lxpanel's volume plugin) shows the same as amixer, only alsamixer is off.

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#3 2014-11-25 08:22:53

carlesso
Member
From: Romano d'Ezzelino (VI) - Italy
Registered: 2009-12-10
Posts: 9
Website

Re: Discrepency Between amixer and alsamixer Volume Levels

For anyone reaching here lately, a great answer has been given here: https://bbs.archlinux.org/viewtopic.php … 1#p1114261

Result, both are correct, the scale is just different.

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#4 2014-11-25 08:23:52

jasonwryan
Anarchist
From: .nz
Registered: 2009-05-09
Posts: 29,264
Website

Re: Discrepency Between amixer and alsamixer Volume Levels


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