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** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/971224
Title:
[HP Pavilion dv6 Notebook PC, IDT 92HD81B1X5, Speaker, Internal] No
bass, only 2/4 speakers working
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
I have a HP Pavilion dv6-6186nr with "Beats Audio" (whatever that
means). As best I can tell, the notebook has four speakers: two under
the grill at the base of the screen ("top") and two along the front,
under the wrist rest ("front"). When playing audio through the
headphone jack, everything works perfectly (including muting the
speakers). However, playback through the speakers reveals two
problems:
1) There is no bass coming through the speakers. Only midrange and
treble is produced. This isthe major annoyance.
2) Sound is only produced from the two top speakers. I don't
particularly care about this fact, but perhaps it's a clue to what's
going wrong.
Various online resources have suggested adding options to
/etc/modprobe.d/alsa-base.conf. I've tried each of the following individually
without effect:
options snd-hda-intel enable_msi=1
options snd-hda-intel model=hp-dv5
options snd-hda-intel model=dell-m4
options snd-hda-intel model=dell-m4-1
options snd-hda-intel model=hp
One option did make a difference: this produced sound only from the front
speakers:
options snd-hda-intel model=ref
In the sound settings "Hardware" tab, I have chosen the "Analog Stereo
Duplex" profile; none of the digital options work.
I wonder if perhaps alsa thinks there is a subwoofer, and is therefore
shunting the bass away from the speakers. But this is just a WAG.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
Uname: Linux 3.0.0-16-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rschroll 1814 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xc7500000 irq 53'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:111d7605,103c3388,00100105
HDA:80862805,80860101,00100000'
Controls : 18
Simple ctrls : 10
Date: Sun Apr 1 23:23:51 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Internal Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [HP Pavilion dv6 Notebook PC, IDT 92HD81B1X5, Speaker, Internal]
Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/20/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1A
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3388
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 10.31
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.1A:bd07/20/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058C110000244720001620100:rvnHewlett-Packard:rn3388:rvr10.31:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058C110000244720001620100
dmi.sys.vendor: Hewlett-Packard
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2012-02-23T16:04:09.047237
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