Bug 971526

Summary: Pulseaudio sometimes plays music too fast/high-pitched
Product: [Fedora] Fedora Reporter: ell1e <el>
Component: pulseaudioAssignee: Lennart Poettering <lpoetter>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 19CC: brendan.jones.it, lkundrak, lpoetter, rdieter
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Last Closed: 2015-02-17 15:28:54 UTC Type: Bug
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alsa-info output none

Description ell1e 2013-06-06 18:08:15 UTC
Created attachment 757808 [details]
alsa-info output

Description of problem:
Sometimes, pulseaudio sometimes plays music faster and high-pitched than it should be (like 44.1 audio on a 48khz device or something like that). Doing "killall pulseaudio" and restarting playback fixes things, which is why I suspect a pulseaudio bug.

This appears to be a regression since Fedora 17 (I jumped over Fedora 18), where this never occured to me.

I had the problem occuring with both audio opened directly in a Google Chrome tab (chrome probably uses liboggplay or ffmpeg or something for that), and with the adobe flash player.

Sorry I encountered both of this with just proprietary software, but since chrome and the flash plugin are probably sufficiently separate in their audio handling, I assume a pulseaudio cause is likely. However, so far it did not occur to me with other software (I do the majority of my audio playback inside the web browser).

Version-Release number of selected component (if applicable):
Name        : pulseaudio
Arch        : x86_64
Version     : 3.0
Release     : 10.fc19
Kernel version: 3.9.4-300.fc19.x86_64

How reproducible:
Happens every 1-3 days, a "killall pulseaudio" and reissuing playback makes it go away.

Steps to Reproduce:
1. Leave computer running for a long time, play music at various times
2. After a longer break with no music, play music in Google Chrome directly in a media tab, or on Youtube with Adobe Flash. Doesn't happen always

Actual results:
Music is high-pitched and faster until "killall pulseaudio" is issued

Expected results:
Music is normal as always

Additional info:

Comment 1 Rex Dieter 2013-06-06 19:12:35 UTC
Interesting, I have to say I noticed this too recently, and also only in the scenario's you mentioned.  For me, primarily when playing 'Angry birds friends' (flash) on chrome.

I wonder, if resume/suspend cycles may be relevant... I'll try testing that, and report back if I find anything.

Comment 2 Fedora End Of Life 2015-01-09 18:20:54 UTC
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