Thank you for reporting this bug to Ubuntu. Ubuntu 10.10 (maverick) reached end-of-life on April 10, 2012. And Ubuntu 11.04 (natty) reached end-of-life on October 28, 2012.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/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: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/709869 Title: Noise in left channel with USB audio device Status in pulseaudio package in Ubuntu: Incomplete Bug description: Binary package hint: pulseaudio I keep hearing (white?) noise in the left channel of my headphones through a USB audio device. I just noticed it start in the middle of playback. I killed the /usr/bin/pulseaudio process, waited for it to re-start, and that made the noise go away. Power cycling the device repeatedly does not make the noise stop. The device is, from lsusb: Bus 003 Device 002: ID 08bb:2900 Texas Instruments Japan PCM2900 Audio Codec It's a HeadRoom Total BitHead. ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu21.1 ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10 Uname: Linux 2.6.35-25-generic x86_64 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 Card0.Amixer.info: Card hw:0 'SB'/'HDA ATI SB at 0xf7cf8000 irq 16' Mixer name : 'Realtek ALC1200' Components : 'HDA:10ec0888,104383c0,00100101' Controls : 36 Simple ctrls : 21 Card1.Amixer.info: Card hw:1 'U0x46d0x809'/'USB Device 0x46d:0x809 at usb-0000:00:12.2-6, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0809' Controls : 2 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum Capture channels: Mono Limits: Capture 0 - 17 Mono: Capture 17 [100%] [31.00dB] [on] Card2.Amixer.info: Card hw:2 'default'/'Burr-Brown from TI USB Audio CODEC at usb-0000:00:12.0-2, full s' Mixer name : 'USB Mixer' Components : 'USB08bb:2900' Controls : 2 Simple ctrls : 1 Date: Sat Jan 29 14:45:38 2011 InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027) ProcEnviron: PATH=(custom, user) LANG=en_US.utf8 SHELL=/bin/bash SourcePackage: pulseaudio dmi.bios.date: 11/19/2009 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2304 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M4A79T Deluxe 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.:bvr2304:bd11/19/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A79TDeluxe:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/709869/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp