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: snd_
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
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pulseaudio (1:6.0-0ubuntu9) wily; urgency=medium
* 0312-lfe-filter-test-Use-S16NE-format.patch:
Fix build failure on powerpc
-- David Henningsson Thu, 28 May
2015 11:02:48 +0200
** Changed in: pulseaudio (Ubu
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-trusty-proposed-2
.1channels-lfe
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Title:
2.1 surround support (userspace)
Just want to let you know that this is fixed for me in Vivid.
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Title:
2.1 surround support (userspace)
Status in alsa-lib pac
** Branch linked: lp:ubuntu/wily-proposed/pulseaudio
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Title:
2.1 surround support (userspace)
Status in alsa-lib package in U
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-lfe-v4
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Title:
2.1 surround support (userspace)
Status in alsa-lib packa
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-lfe-v3
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Title:
2.1 surround support (userspace)
Status in alsa-lib packa
** Branch linked: lp:~hui.wang/pulseaudio/pulseaudio-lfe-v3
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Title:
2.1 surround support (userspace)
Status in alsa-lib packa
** 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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@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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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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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: [p
@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 analog-output-speaker
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
/profil
** Changed in: alsa-lib (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
2.1 surround support (userspace)
Status
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
HDA-Intel.pcm.surro
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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Upstream accepted the patch and I've just uploaded a new package to the ppa.
Can you help test it (when it has finished building)?
Thanks!
** Changed in: pulseaudio (Ubuntu)
Status: In Progress => Fix Committed
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Giuseppe Iuculano, thanks for testing. This patch should fix the device
busy error that Raymond found in your logs:
http://mailman.alsa-project.org/pipermail/alsa-
devel/2014-May/077157.html
I'm currently waiting for upstream review of this patch.
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> pulseaudio assume surround21 is four channels
For PulseAudio, surround21 is now three channels. It's mapped to four
channels in alsa-lib, exactly which four channels is based on chmap
information from the kernel.
> Does it mean that test with 5.1 downmix to surround21 ?
Yes I believe 5.1 would
>However, this will just add Surround 2.1 support for stuff that already
is 2.1 in source material (well, 5.1 will be downmixed to 2.1, but
normal stereo will not be upmixed, so no sound will be heard on the
subwoofer).
Does it mean that test with 5.1 downmix to surround21 ?
speaker-test -c6 -t w
pulseaudio assume surround21 is four channels since buffer time is half
of stereo
why alsa lib surround21 did not specity any channel ?
http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=48f1b308cc66152eb6db66742dd0d08d888cda8d;hp=5c4cd46810cef8850b037fca9e38ffd43b0bff22
2.1 speaker set
( 0.101| 0.000) I: [pulseaudio] (alsa-lib)pcm_route.c: Found no matching
channel map
seem still not using latest alsa lib
http://git.alsa-project.org/?p=alsa-
lib.git;a=commitdiff;h=015c34bf1540a97f8920bf9e3bdff0e80293a053;hp=dbe6d7f86902dbbe2ff276b7a6524c084893772f
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device become busy instead of channel not supported when testing
profiles which need more than 4 channels
101| 0.000) D: [pulseaudio] alsa-mixer.c: Looking at profile
output:analog-surround-41
( 0.101| 0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on
Analog Surround 4.1 (anal
** Attachment added: "pulseverbose.log"
https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1286021/+attachment/4118860/+files/pulseverbose.log
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** Attachment added: "alsa-info.txt.dKwCjCRyIM"
https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1286021/+attachment/4118847/+files/alsa-info.txt.dKwCjCRyIM
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** Attachment added: "pactl list"
https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1286021/+attachment/4118848/+files/pactl.txt
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David,
unfortunately this doesn't work on my notebook, no sound after upgrade.
I'm going to attack log.
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Title:
2.1 surround
> Do you have updated packages to try?
Just pushed updated packages, happy testing!
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Title:
2.1 surround support (userspace)
>>
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=61a75f138a351baf0fdc8c210cebd06b9ced4279
> where I can find latest alsa driver for trusty?
https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS
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http://cgit.freedesktop.org/pulseaudio/pulseaudio/tree/src/modules/alsa/mixer
/profile-sets/default.conf
do you mean those surround-41 or surround-50 profiles are also unusable
for the same reason as surround-21 profile ?
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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/871808
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873
those Asus laptop only use alc663 codec , as one of the volume control
is used by headphone and it won't support 5.1
https://bugzilla.kernel.org/show_bug.cgi?id=6
when subwoofer is connected to mono pin complex
the following patch force these kind of configuration to use 4 channel
mode instead of copy front mode
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/hda_codec.c?id=cd4035e814b04c009ece9939396d06370c53ed44
do it
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1316305
do you mean surround21 not yet available in Ubuntu 14.04 LTS ?
Profili:
input:analog-stereo: Stereo analogico input (sinks: 0, sources:
1, priority. 60)
output:analog-stereo: Stereo analogico outp
> Do you have updated packages to try?
Good point. I won't have time to update them today. Please remind me in
a few weeks if I haven't done it by then.
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Today's status:
- alsa-lib patches for adding the surround21:x name is upstream. There has not
been an upstream release of alsa-lib since.
- pulseaudio patches are not yet upstream. But I found that the problem might
be more complex than first expected.
1) It's easy just to add another "Surr
Do you have updated packages to try?
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Title:
2.1 surround support (userspace)
Status in “alsa-lib” package in Ubuntu:
Fix C
** Changed in: alsa-lib (Ubuntu)
Status: In Progress => Fix Committed
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Title:
2.1 surround support (userspace)
Status
** Description changed:
2.1 surround should work as seamlessly as other surround options, such
as 4.0, 5.1 and 7.1 work today.
+
+ Alsa-lib and pulseaudio patches for 14.04 can be tested here:
+
+ https://launchpad.net/~diwic/+archive/surround21
** Changed in: pulseaudio (Ubuntu)
Sta
** Summary changed:
- 2.1 surround support in userspace
+ 2.1 surround support (userspace)
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Title:
2.1 surround support (user
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