I have a problem with 2.1 sound on Realtek High Definition Audio (2.1):
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
HD Audio Controller (rev 06)
Subsystem: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio
Controller
Kernel driver in use:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu Trusty)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-lib (Ubuntu Trusty)
Status: New => Confirmed
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This bug was fixed in the package pulseaudio - 1:6.0-0ubuntu9
---
pulseaudio (1:6.0-0ubuntu9) wily; urgency=medium
* 0312-lfe-filter-test-Use-S16NE-format.patch:
Fix build failure on powerpc
-- David Henningsson david.hennings...@canonical.com Thu, 28 May
2015 11:02:48 +0200
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-trusty-proposed-2
.1channels-lfe
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https://bugs.launchpad.net/bugs/1286021
Title:
2.1 surround support
Just want to let you know that this is fixed for me in Vivid.
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https://bugs.launchpad.net/bugs/1286021
Title:
2.1 surround support (userspace)
Status in
** Branch linked: lp:ubuntu/wily-proposed/pulseaudio
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https://bugs.launchpad.net/bugs/1286021
Title:
2.1 surround support (userspace)
Status in alsa-lib
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-lfe-v4
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https://bugs.launchpad.net/bugs/1286021
Title:
2.1 surround support (userspace)
Status in
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-lfe-v3
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Title:
2.1 surround support (userspace)
Status in
** Also affects: alsa-lib (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: pulseaudio (Ubuntu Trusty)
Importance: Undecided
Status: New
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@diwic: I'm using a rather new Haswell CPU, here're the results of that
script: http://www.alsa-
project.org/db/?f=59c503080b0462b64f7111518c89e909cb773046
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I followed the instructs at
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1286021/comments/24,
but I do not see an option for Analog Surround 2.1 Output in the
Ubuntu Sound Settings with 14.10.
How do I switch to that mode?
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@Mike, maybe your sound card drivers do not show a subwoofer speaker?
It's hard to tell without knowing your hardware (i e alsa-info:
https://wiki.ubuntu.com/Audio/AlsaInfo )
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@HPO,
Since alsa-lib 1.0.28 is in utopic, you can just to modify
/usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf and add this
section:
[Mapping analog-surround-21]
device-strings = surround21:%f
channel-map = front-left,front-right,lfe
paths-output = analog-output
https://bugs.freedesktop.org/show_bug.cgi?id=85446#c10
does 2.1 really work since pulseaudio probe front device, the softvol
create a two channels pcm softvol but 2.1 try to create a 6 channel pcm
softvol
0.170| 0.000) D: [pulseaudio] alsa-util.c: Route conversion PCM
( 0.170| 0.000) D:
** Changed in: alsa-lib (Ubuntu)
Status: Fix Committed = Fix Released
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Title:
2.1 surround support
Status update:
For alsa-lib, the surround21:x name is in 1.0.28, and 1.0.28 has been
released into utopic.
For pulseaudio, not much has happened. The patch to use the
surround21:x name is in PulseAudio git (
http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src/modules/alsa/mixer
Those upstream patches seem to have been late for utopic... At least, I
still don't get 2.1 on utopic - whereas trusty with your ppa was fine.
Any chance you would update your ppa for utopic one last time?
Thanks!
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you have to post the pulseudio log when using 2.1 profile if it still
not working
http://git.alsa-project.org/?p=alsa-lib.git;a=blob_plain;f=src/conf/cards/HDA-Intel.conf;hb=HEAD
seem those 4.0, 5.1 and 7.1 of hda-intel are using front of hda-intel
which has softvol plugin
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