your line in blue Jack is not detected and pulseaudio switch automatically to rear Mic pink jack by the switch-on-port-available module
ports: analog-input-microphone-front: Front Microphone (priority 8500, available: no) properties: analog-input-microphone-rear: Rear Microphone (priority 8200, available: yes) properties: analog-input-linein: Line In (priority 8100, available: no) properties: active port: <analog-input-microphone-rear> -- 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/1100232 Title: [SBC-FITPC2, Realtek ALC662 rev1, Blue Line In, Rear] Recording has crackeling noise Status in “pulseaudio” package in Ubuntu: New Bug description: Please have a look at these two audio recordings: https://dl.dropbox.com/u/6520164/test.wav https://dl.dropbox.com/u/6520164/test1.wav These were recorded via $ arecord > test.wav $ arecord -r 48000 -f FLOAT_LE > test1.wav The signal should be a 50 Hz Sine wave, however specially in the second recording you will oberserve this: In regular intervalls the signum of the signal is flipped. This leads to a crackling noisy recording. ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: pulseaudio 1:2.1-0ubuntu4 ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1 Uname: Linux 3.5.0-21-generic i686 ApportVersion: 2.6.1-0ubuntu9 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: sb 3534 F.... pulseaudio Date: Wed Jan 16 11:47:51 2013 InstallationDate: Installed on 2013-01-15 (0 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3) MarkForUpload: True SourcePackage: pulseaudio Symptom: audio Symptom_Card: HDA-Intel - HDA Intel MID Symptom_Jack: Blue Line In, Rear Title: [SBC-FITPC2, Realtek ALC662 rev1, Blue Line In, Rear] Pulseaudio fails to detect card UpgradeStatus: Upgraded to quantal on 2013-01-16 (0 days ago) dmi.bios.date: 12/24/2009 dmi.bios.vendor: Phoenix Technologies LTD dmi.bios.version: NAPA0001.86C.0000.D.0912241315 dmi.board.name: SBC-FITPC2 dmi.board.vendor: Intel Corporation dmi.board.version: 1.x dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 1 dmi.chassis.vendor: OEM dmi.chassis.version: N/A dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrNAPA0001.86C.0000.D.0912241315:bd12/24/2009:svnCompuLab:pnSBC-FITPC2:pvrNotApplicable:rvnIntelCorporation:rnSBC-FITPC2:rvr1.x:cvnOEM:ct1:cvrN/A: dmi.product.name: SBC-FITPC2 dmi.product.version: Not Applicable dmi.sys.vendor: CompuLab To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1100232/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp