[USB-Audio - USB Device 0x46d:0x805, recording] Recording problem

Bug #1095951 reported by Giovanni Tornatore
This bug affects 1 person
Affects Status Importance Assigned to Milestone
pulseaudio (Ubuntu)

Bug Description


I have tested Edubuntu dvd amd64 (3508440d9b40fcf3159d5e50505cc63d *raring-dvd-amd64.iso), on live usb persistent.

1) On Sistem Setting > sound > Input > on input level the sound is detected (view the screenshot attached).

2) gnome-sound-recorder not perform ations (view the screencast attached).

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0
Uname: Linux 3.7.0-7-generic x86_64
ApportVersion: 2.7-0ubuntu2
Architecture: amd64
 /dev/snd/controlC1: edubuntu 6018 F.... pulseaudio
 /dev/snd/controlC0: edubuntu 6018 F.... pulseaudio
CasperVersion: 1.330
Date: Fri Jan 4 07:18:41 2013
LiveMediaBuild: Edubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130104)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:U0x46d0x805 successful
Symptom_Card: Webcam C300 - USB Device 0x46d:0x805
Symptom_PulseAudioRecordingTest: PulseAudio recording test through plughw:U0x46d0x805 successful
Symptom_Type: None of the above
Title: [USB-Audio - USB Device 0x46d:0x805, recording] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/14/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2003
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7P55D PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2003:bd12/14/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7P55DPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

Revision history for this message
Giovanni Tornatore (gianni-tornatore-71-deactivatedaccount) wrote :
Revision history for this message
Giovanni Tornatore (gianni-tornatore-71-deactivatedaccount) wrote :
Revision history for this message
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:

tags: added: iso-testing
Revision history for this message
Raymond (superquad-vortex2) wrote :

dB range from 6dB to 30dB

state.U0x46d0x805 {
 control.1 {
  iface MIXER
  name 'Mic Capture Switch'
  value true
  comment {
   access 'read write'
   type BOOLEAN
   count 1
 control.2 {
  iface MIXER
  name 'Mic Capture Volume'
  value 6144
  comment {
   access 'read write'
   type INTEGER
   count 1
   range '0 - 6144'
   dbmin 600
   dbmax 3000
   dbvalue.0 3000

you have to ask pulseaudio developer why base volume is -30dB

 name: <alsa_input.usb-046d_0805_49B1CD53-02-U0x46d0x805.analog-mono>
 driver: <module-alsa-card.c>
 suspend cause: IDLE
 priority: 9049
 volume: 0: 100%
         0: 0,00 dB
         balance 0,00
 base volume: 32%
              -30,00 dB
 volume steps: 65537
 muted: no
 current latency: 0,00 ms
 max rewind: 0 KiB
 sample spec: s16le ch 1 48000 Hz
 channel map: mono
 used by: 0

affects: alsa-driver (Ubuntu) → pulseaudio (Ubuntu)
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Thank you for reporting this bug to Ubuntu.
Ubuntu 13.04 (raring) reached end-of-life on January 27, 2014.

See this document for currently supported Ubuntu releases:

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test.

Changed in pulseaudio (Ubuntu):
status: New → Incomplete
Revision history for this message
Launchpad Janitor (janitor) wrote :

[Expired for pulseaudio (Ubuntu) because there has been no activity for 60 days.]

Changed in pulseaudio (Ubuntu):
status: Incomplete → Expired
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