[mdlug] Lost audio on Ubuntu 12.04

Carl T. Miller carl at carltm.com
Tue Jan 26 20:26:49 EST 2016


Thanks for the update.  I'm glad you found it!

c


R Kannan wrote:
> Never mind I found the problem.
>
> It looks like the I had switched the top right button on 'Pulse Audio
> Volume control' 'Playback' tab showing 'Applications' from 'Built-In
> Audio Analog Stereo' to 'HDA NVidia Digital Stereo (HDMI)'
> inadvertently.  Apparently all audio was being directed to HDMI.
>
>
> On 01/26/2016 07:27 PM, R Kannan wrote:
>> Hello,
>>
>> Today I seem to have lost audio on my desktop for some applications. The
>> box has Intel integrated built-in audio.
>>
>> No sound on attached speakers, wired earphones or wireless headphones
>> through pulse audio. This is probably not a hardware failure because the
>> sound seems to be on when I log into Windows.
>>
>> There seems to be some audio signal because I can see the signal
>> indicator in pulse audio control panel shows some signals when i play a
>> video.
>>
>> I tried rebooting with no success. It is as if the speakers were muted.
>>
>> Next I tried testing the speakers with audio streams with
>>
>> speaker-test -Dplug:front -c2 -l5 -twav
>>
>> and it did work. But I cannot hear the audio when I plan a video either
>> in a browser or in MythTV or play an audio file in VLC media player.
>>
>> Any ideas?
>>
>> Thanks
>>
>
>
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