Thank you for reporting this bug to Ubuntu. Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.
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: New => Incomplete -- 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/962153 Title: [Pegatron, Realtek ID 662, Green Line Out, Rear] Pulseaudio fails to detect card Status in pulseaudio package in Ubuntu: Incomplete Bug description: High pitched noise ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: pulseaudio 1:1.1-0ubuntu12 ProcVersionSignature: Ubuntu 3.2.0-19.31-generic 3.2.12 Uname: Linux 3.2.0-19-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: HDA Generic [HDA Generic] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 1.94.1-0ubuntu2 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: HDA Generic [HDA Generic] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: emanuel 1913 F.... pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfeaf8000 irq 44' Mixer name : 'Realtek ID 662' Components : 'HDA:10ec0662,1b0a0046,00100101' Controls : 10 Simple ctrls : 6 Date: Thu Mar 22 09:55:29 2012 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) ProcEnviron: LANGUAGE=pt_BR:pt:en TERM=xterm LANG=pt_BR.UTF-8 SHELL=/bin/bash PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. SourcePackage: pulseaudio Symptom: audio Symptom_Card: HDA-Intel - HDA Intel Symptom_Jack: Green Line Out, Rear Title: [Pegatron, Realtek ID 662, Green Line Out, Rear] Pulseaudio fails to detect card UpgradeStatus: Upgraded to precise on 2012-03-22 (0 days ago) dmi.bios.date: 03/26/2010 dmi.bios.vendor: IPM41-D3_GS dmi.bios.version: 080015 dmi.board.name: IPM41-D3 dmi.board.vendor: PEGATRON dmi.board.version: 1.00 dmi.chassis.type: 3 dmi.chassis.vendor: Pegatron dmi.modalias: dmi:bvnIPM41-D3_GS:bvr080015:bd03/26/2010:svnPegatron:pnPegatron:pvr:rvnPEGATRON:rnIPM41-D3:rvr1.00:cvnPegatron:ct3:cvr: dmi.product.name: Pegatron dmi.sys.vendor: Pegatron To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/962153/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

