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Message #104395
[Bug 1497666] Re: No right channel sound on Creative Xtreme Audio (CA0106) in Ubuntu 14.04-15.10
control.5 {
iface MIXER
name 'Analog Front Playback Volume'
value.0 207
value.1 207
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
dbmin -9999999
dbmax 1200
dbvalue.0 0
dbvalue.1 0
}
}
control.6 {
iface MIXER
name 'Analog Rear Playback Volume'
value.0 207
value.1 207
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
dbmin -9999999
dbmax 1200
dbvalue.0 0
dbvalue.1 0
}
}
control.7 {
iface MIXER
name 'Analog Center/LFE Playback Volume'
value.0 207
value.1 207
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
dbmin -9999999
dbmax 1200
dbvalue.0 0
dbvalue.1 0
}
}
control.8 {
iface MIXER
name 'Analog Side Playback Volume'
value.0 205
value.1 205
comment {
access 'read write'
type INTEGER
count 2
range '0 - 255'
dbmin -9999999
dbmax 1200
dbvalue.0 -50
dbvalue.1 -50
}
}
dB min is -99999.99 which is equialemnt to mute
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/include/sound/tlv.h
#define TLV_DB_GAIN_MUTE -9999999
http://git.alsa-project.org/?p=alsa-lib.git;a=blob;f=include/control.h;hb=HEAD
/** Mute state */
#define SND_CTL_TLV_DB_GAIN_MUTE -9999999
https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio
you have to open pulseaudio bug report if pulseaudio dB min is less
than -99999.99
--
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Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1497666
Title:
No right channel sound on Creative Xtreme Audio (CA0106) in Ubuntu
14.04-15.10
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
After a fresh install of Ubuntu 14.04, 15.04, 15.10 and on the liveCD,
There is no sound on right channel. But it works perfectly in Win
7/10. It also worked perfectly on Ubuntu 12.04 My sound card is
Creative Xtreme Audio (PCI CA0106).
In the forum, many users also have experienced this bug with the
incorrect default alsamixer settings.
http://ubuntuforums.org/showthread.php?t=2217724
Here are my alsa-info.sh results.
http://www.alsa-
project.org/db/?f=e3ae99437c3d283b35cac7c33ace996bedf43a16
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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1497666/+subscriptions
References