Same problem here. This is the only workaround that works for me: http://ubuntuforums.org/showthread.php?t=2292143&p=13345100#post13345100
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/995090 Title: [USB-Audio - USB Audio CODEC, playback] Underruns, dropouts or crackling sound Status in alsa-driver package in Ubuntu: Confirmed Bug description: ubuntu 12.04 behringer uca222 usb audio device: crackle in output. increases when watching flash video in fullscreen mode. internal HDA Intel device: works fine ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: i386 Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xac300000 irq 46' Mixer name : 'Realtek ALC883' Components : 'HDA:10ec0883,10711635,00100002 HDA:14f12c06,14f10000,00100000' Controls : 35 Simple ctrls : 18 Card1.Amixer.info: Card hw:1 'CODEC'/'Burr-Brown from TI USB Audio CODEC at usb-0000:00:1d.0-2, full speed' Mixer name : 'USB Mixer' Components : 'USB08bb:2902' Controls : 2 Simple ctrls : 1 Date: Sat May 5 16:02:24 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CODEC failed Symptom_Card: PCM2902 Audio Codec - USB Audio CODEC Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [USB-Audio - USB Audio CODEC, playback] Underruns, dropouts or crackling sound UpgradeStatus: Upgraded to precise on 2012-04-28 (6 days ago) dmi.bios.date: 08/14/2006 dmi.bios.vendor: INSYDE dmi.bios.version: R1.00 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: MTC dmi.board.vendor: MTC dmi.board.version: Base Board Version dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 1 dmi.chassis.vendor: MTC dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnINSYDE:bvrR1.00:bd08/14/2006:svnMTC:pnMTC:pvr1:rvnMTC:rnMTC:rvrBaseBoardVersion:cvnMTC:ct1:cvrChassisVersion: dmi.product.name: MTC dmi.product.version: 1 dmi.sys.vendor: MTC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/995090/+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
