why do you still use 12.04 ? try latest version of live cd ?
Node 0x10 [Audio Output] wcaps 0xc1d: Stereo Amp-Out R/L Control: name="Master Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Device: name="CONEXANT Analog", type="Audio", device=0 Amp-Out caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=1 Amp-Out vals: [0x3f 0x48] Converter: stream=8, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold Power: setting=D0, actual=D0 Node 0x11 [Audio Output] wcaps 0xc1d: Stereo Amp-Out R/L Amp-Out caps: ofs=0x4a, nsteps=0x4a, stepsize=0x03, mute=1 Amp-Out vals: [0x3c 0x3c] Converter: stream=0, channel=0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 D3cold Power: setting=D0, actual=D0 stream =0 mean node 0x11 is not used by the driver only node 0x10 is used by headphone and speaker Node 0x1f [Pin Complex] wcaps 0x400501: Stereo Pincap 0x00000010: OUT Pin Default 0x921701f0: [Fixed] Speaker at Int Front Conn = Analog, Color = Unknown DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power states: D0 D1 D2 D3 D3cold Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 Node 0x19 [Pin Complex] wcaps 0x400581: Stereo Pincap 0x0000001c: OUT HP Detect Pin Default 0x042110f0: [Jack] HP Out at Ext Right Conn = 1/8, Color = Black DefAssociation = 0xf, Sequence = 0x0 Pin-ctls: 0x00: Unsolicited: tag=37, enabled=1 Power states: D0 D1 D2 D3 D3cold Power: setting=D0, actual=D0 Connection: 2 0x10* 0x11 ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1408376 Title: [HDA-Intel - HDA ATI SB, playback] Playback problem Status in alsa-driver package in Ubuntu: Incomplete Bug description: Solo puedo escuchar el audio atraves de auriculares ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1.1 ProcVersionSignature: Ubuntu 3.13.0-43.72~precise1-generic 3.13.11.11 Uname: Linux 3.13.0-43-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-43-generic. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu17.8 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: SB [HDA ATI SB], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: victor 2800 F.... pulseaudio /dev/snd/pcmC0D0p: victor 2800 F...m pulseaudio Card0.Amixer.info: Card hw:0 'SB'/'HDA ATI SB at 0x92300000 irq 16' Mixer name : 'Conexant CX20585' Components : 'HDA:14f15069,1179fdf4,00100302' Controls : 11 Simple ctrls : 6 CheckboxSubmission: e45f082e2d24f59b336f1a596b97f898 CheckboxSystem: 5202e7ee197af4942baf4f50cf4120c6 Date: Wed Jan 7 14:33:54 2015 InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213) MarkForUpload: True PackageArchitecture: all ProcEnviron: LANGUAGE=es_PY:es TERM=xterm PATH=(custom, no user) LANG=es_PY.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:SB failed Symptom_Card: Audio Interno - HDA ATI SB Symptom_Type: None of the above Title: [HDA-Intel - HDA ATI SB, playback] Playback problem UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/27/2011 dmi.bios.vendor: Insyde Corp. dmi.bios.version: 1.70 dmi.board.asset.tag: No Asset Tag dmi.board.name: Portable PC dmi.board.vendor: TOSHIBA dmi.board.version: Base Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: AMD dmi.chassis.version: None dmi.modalias: dmi:bvnInsydeCorp.:bvr1.70:bd01/27/2011:svnTOSHIBA:pnSatelliteC645D:pvrPSC04U-011LM5:rvnTOSHIBA:rnPortablePC:rvrBaseBoardVersion:cvnAMD:ct10:cvrNone: dmi.product.name: Satellite C645D dmi.product.version: PSC04U-011LM5 dmi.sys.vendor: TOSHIBA mtime.conffile..etc.modprobe.d.alsa.base.conf: 2015-01-07T13:33:52.953873 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1408376/+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