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[Bug 1257956] Re: Headphones stopped working after use of Audacity. They are detected, but no sound is produced.

 

The same happened to me today when I installed audacity. I am using Ubuntu 14.10.
The problem was solved from comment number #12:
"I went into Audacity and changed the microphone source in the drop-down menu from "sysdefault: Headphone Mic:0" to "sysdefault: Internal Mic:0" and it fixed it.!"

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https://bugs.launchpad.net/bugs/1257956

Title:
  Headphones stopped working after use of Audacity. They are detected,
  but no sound is produced.

Status in alsa-driver package in Ubuntu:
  Expired

Bug description:
  I'm running 13.10 and the latest GNOME. I've just fresh installed
  everything and the problem has occured again the same way. I would
  like to be able to use audacity, but I suppose in the mean time I will
  just reinstall everything.

  Steps to reproduce : 
  1) Install audacity 2.0.3 from official Ubuntu repositories
  2) Open Audacity and play something with it
  3) That's it : no more headphones sound.

  
  - alsa log created with 'alsa-info.sh' (https://wiki.ubuntu.com/Audio/AlsaInfo) : http://paste.ubuntu.com/7131709/

  - pulse log when I plug in my headphones, I run a MP3 file with VLC,
  close VLC then unplug headphones
  (https://wiki.ubuntu.com/PulseAudio/Log) :
  http://paste.ubuntu.com/7131713/

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