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Sound from Chrome browser suddenly has a higher pitch
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mhelvens
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Joined: 17 Mar 2005
Posts: 337
Location: The Netherlands

PostPosted: Tue Apr 09, 2013 6:20 pm    Post subject: Sound from Chrome browser suddenly has a higher pitch Reply with quote

Hi all!

Strange problem. Since a recent world update, sound from the Google Chrome browser (Flash as well as <video> tags) has a noticeably higher pitch.

Here's some possibly relevant information:

  • www-client/google-chrome-27.0.1453.15_beta191758
  • media-libs/alsa-lib-1.0.26-r2
  • media-sound/pulseaudio-3.0

Please let me know what additional information I can provide.
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ulenrich
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Joined: 10 Oct 2010
Posts: 1480

PostPosted: Tue Apr 09, 2013 6:23 pm    Post subject: Reply with quote

The beta chromium-27 just now devels to use pulseaudio.
Pulseaudio was a masked use flag <chromium-27.
Nothing "strange" if some strange effects occure!
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mhelvens
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Joined: 17 Mar 2005
Posts: 337
Location: The Netherlands

PostPosted: Tue Apr 09, 2013 6:38 pm    Post subject: Reply with quote

ulenrich wrote:
The beta chromium-27 just now devels to use pulseaudio.
Pulseaudio was a masked use flag <chromium-27.
Nothing "strange" if some strange effects occure!


I see! Well, that might just explain it then. :-)

Any suggestions on how to (temporarily) fix this? Other than downgrading to chrome-26 or switching to chromium? The branded browser doesn't seem to support any use flags (other than +plugins).

(PS: Normally I would file a bug somewhere, but I'm afraid I just can't spare the time right now. :()

Edit: I found the following bug report that seems quite relevant: https://code.google.com/p/webrtc/issues/detail?id=1587.

Edit 2: I used the workaround suggested by 'thedra...@gmail.com' in that bug-report. Edit /etc/pulse/daemon.conf and set the following values:
Code:
default-sample-rate = 48000
default-sample-format = s16le

That fixed the problem for me.
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