No sound in Flash videos

By | 27 Nov 2009

If you have no sound in Flash videos but in all other programs, there are two possibilities:

  1. the PCM output is set to silence
    • check volume setting with alsamixer
  2. you might have a second audio device (e.g. a Webcam with a microphone) which gets preferred by ALSA
    • fix it by unplugging it, or
    • force ALSA to use another device, see ALSA FAQ#26
    • set SkypeOptionsSound Devices to [ ] Allow Skype to automatically adjust my mixer levels
  3. some sound via PulseAudio is currently playing (see ALSA → PulseAudio for Flash and others)

Bug report is #396558.

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