it depend on pulseaudio determine whether speaker or hdmi will be default sink since only headphone is not available
active profile: <output:analog-stereo+input:analog-stereo> sinks: alsa_output.pci-0000_00_1b.0.analog-stereo/#0: Built-in Audio Analog Stereo sources: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor/#0: Monitor of Built-in Audio Analog Stereo alsa_input.pci-0000_00_1b.0.analog-stereo/#1: Built-in Audio Analog Stereo ports: analog-output-speaker: Speakers (priority 10000, latency offset 0 usec, available: unknown) properties: device.icon_name = "audio-speakers" analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: no) properties: device.icon_name = "audio-headphones" hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes) properties: device.icon_name = "video-display" device.product.name = "SAMSUNG" -- 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/1309978 Title: [HP ProBook 4530s, Intel CougarPoint HDMI, Digital Out, HDMI] Sound plays through computer instead of tv Status in “alsa-driver” package in Ubuntu: New Bug description: sound continues to come from computer speakers when mirrored hdmi to tv instead of tv speakers. tried restarting computer and have to enable mirror display in settings again after reboot. still no sound through tv ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: matt 2003 F.... pulseaudio CurrentDesktop: Unity Date: Sat Apr 19 08:49:02 2014 InstallationDate: Installed on 2013-11-30 (139 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) PackageArchitecture: all ProcEnviron: LANGUAGE=en_US PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: matt 2003 F.... pulseaudio Symptom_Jack: Digital Out, HDMI Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: No sound at all Title: [HP ProBook 4530s, Intel CougarPoint HDMI, Digital Out, HDMI] No sound at all UpgradeStatus: Upgraded to trusty on 2014-04-19 (0 days ago) dmi.bios.date: 11/27/2012 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68SRR Ver. F.30 dmi.board.name: 167C dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 22.24 dmi.chassis.asset.tag: CNU2133QCM dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68SRRVer.F.30:bd11/27/2012:svnHewlett-Packard:pnHPProBook4530s:pvrA0001D02:rvnHewlett-Packard:rn167C:rvrKBCVersion22.24:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ProBook 4530s dmi.product.version: A0001D02 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1309978/+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