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I recently installed Ubuntu 14.04 LTS 64-bit and I'm having some issues with my audio. I have an Intel H61 Express chipset and I'm using the HDMI out to my home theatre system.

  • When I select the HDMI device in System Settings and click Test Speaker, it only works the second time. Someone suggested that the HDMI may not have had time to sync the first time.
  • Audio works fine through XBMC.
  • Audio works fine when typing "aplay -D default test.wav"
  • Audio does NOT work in Chrome, Firefox, Rhythmbox, Spotify, etc.

Does anyone have an ideas what this could be? I've tried resetting pulseaudio and following many of the other similar answers on this site but have had no luck. Any help would be appreciated.

Thanks

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Should also note that the audio not working in browsers is happening on both HTML5 and Flash – toastee Feb 7 '15 at 18:33
    
alsa-project.org/db/?f=5b5a446b15448fc38ef084c46e8adc81f0d50‌​a46 – toastee Feb 7 '15 at 18:42
    
what audio are you trying to play ? flash ? html5 ? – Panther Feb 7 '15 at 21:33
    
@bodhi.zazen Both flash and HTML5 have this problem. After doing a lot of experimenting, it looks like the sound will work in other applications if something like XBMC is keeping the HDMI audio stream active. The browser itself will not open the HDMI audio stream to start playing unless XBMC is open. Is there some type of fix or script I can run to keep that HDMI audio channel open all the time like Windows would? – toastee Feb 8 '15 at 18:34
    
Sounds as if it is a configuration issue. Try pavucontrol or alsamixer or set your default device perhaps. – Panther Feb 8 '15 at 21:23
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Try to remove the adobe-flashplugin:

apt-get purge adobe-flashplugin
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