do you mean the log was obtained when you switch to 7.1 since there is
no stereo ?
the card only support 48000Hz
6 or 8 channels playback
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 1
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 8
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 6
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 48000
AudioControl Interface Descriptor:
bLength 12
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 3
wTerminalType 0x0101 USB Streaming
bAssocTerminal 0
bNrChannels 8
wChannelConfig 0x063f
Left Front (L)
Right Front (R)
Center Front (C)
Low Freqency Enhancement (LFE)
Left Surround (LS)
Right Surround (RS)
Side Left (SL)
Side Right (SR)
iChannelNames 0
iTerminal 0
AudioControl Interface Descriptor:
bLength 25
bDescriptorType 36
bDescriptorSubtype 6 (FEATURE_UNIT)
bUnitID 4
bSourceID 3
bControlSize 2
bmaControls( 0) 0x01
bmaControls( 0) 0x00
Mute Control
bmaControls( 1) 0x00
bmaControls( 1) 0x00
bmaControls( 2) 0x00
bmaControls( 2) 0x00
bmaControls( 3) 0x00
bmaControls( 3) 0x00
bmaControls( 4) 0x00
bmaControls( 4) 0x00
bmaControls( 5) 0x00
bmaControls( 5) 0x00
bmaControls( 6) 0x00
bmaControls( 6) 0x00
bmaControls( 7) 0x00
bmaControls( 7) 0x00
bmaControls( 8) 0x00
bmaControls( 8) 0x00
iFeature 0
seem you have selected 5.1 profile in sound preference
seem strange that O05 has no input from left and right ,
do Center or LFE need mix of left and right channels when upmixing from
stereo ?
( 24.134| 0.000) I: [alsa-sink] alsa-sink.c: Starting playback.
( 24.134| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.usb-Razer_Razer_Megalodon-00-Megalodon.analog-surround-51 becomes
busy.
( 24.134| 0.000) D: [pulseaudio] resampler.c: Channel matrix:
( 24.134| 0.000) D: [pulseaudio] resampler.c: I00 I01
( 24.134| 0.000) D: [pulseaudio] resampler.c: +------------
( 24.134| 0.000) D: [pulseaudio] resampler.c: O00 | 1.000 0.000
( 24.134| 0.000) D: [pulseaudio] resampler.c: O01 | 0.000 1.000
( 24.134| 0.000) D: [pulseaudio] resampler.c: O02 | 1.000 0.000
( 24.134| 0.000) D: [pulseaudio] resampler.c: O03 | 0.000 1.000
( 24.134| 0.000) D: [pulseaudio] resampler.c: O04 | 0.500 0.500
( 24.134| 0.000) D: [pulseaudio] resampler.c: O05 | 0.000 0.000
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1184025
Title:
[USB-Audio - Razer Megalodon, playback] Underruns, dropouts or
crackling sound
Status in “pulseaudio” package in Ubuntu:
Confirmed
Bug description:
Happens in all apps. Only when audio is playing.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: pulseaudio 1:3.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.8.0-21.32-generic 3.8.8
Uname: Linux 3.8.0-21-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: james 2384 F.... pulseaudio
/dev/snd/controlC1: james 2384 F.... pulseaudio
/dev/snd/controlC0: james 2384 F.... pulseaudio
Date: Fri May 24 15:32:18 2013
InstallationDate: Installed on 2012-08-03 (294 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Megalodon
successful
Symptom_Card: Razer Megalodon - Razer Megalodon
Symptom_PulsePlaybackTest: PulseAudio playback test failed
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [USB-Audio - Razer Megalodon, playback] Underruns, dropouts or
crackling sound
UpgradeStatus: Upgraded to raring on 2013-05-23 (1 days ago)
dmi.bios.date: 11/22/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.70
dmi.board.name: X79 Extreme4-M
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP2.70:bd11/22/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnX79Extreme4-M:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1184025/+subscriptions
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