touch-packages team mailing list archive

[Pat McGowan <pat.mcgowan@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1477838 ***
    https://bugs.launchpad.net/bugs/1477838

** This bug has been marked a duplicate of bug 1477838
   [MX4] Crackling sound after playing audio and suspended

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https://bugs.launchpad.net/bugs/1445527

Title:
  Speaker remains on after playback completes

Status in Canonical System Image:
  Confirmed
Status in podbird:
  Incomplete
Status in media-hub package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed
Status in media-hub package in Ubuntu RTM:
  New
Status in pulseaudio package in Ubuntu RTM:
  New

Bug description:
  This might be a Media Hub bug - I'm not sure.

  Steps to reproduce:

  1. Start playing a podcast.
  2. Switch to a different app.
  3. Lock the screen.
  4. Wait for the Podcast to finish.
  5. Wait a bit longer.

  Expected results:

  No noise from speaker.

  Actual results:

  Soft white noise from speaker. It seems that some part of the audio
  subsystem is still switched on. I am concerned that this could be
  draining battery.

  Workaround:

  After the Podcast finishes, unlock the phone and switch back to the
  Podbird app. This causes the noise to stop.

  Comments:

  I noticed the same soft white noise continues a second or two after
  the phone plays any sound from any app, but then turns off. I presume
  there is some time out turning off some part of the audio subsystem.
  Presumably if there is a reason, it should happen even when the app
  causing the sound to play is not active.

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