[Gllug] Media playback speed problem

James Courtier-Dutton james.dutton at gmail.com
Mon Apr 16 19:39:15 UTC 2012

On 16 April 2012 19:33, Bernard Peek <bap at shrdlu.com> wrote:
> I'm running Mint 64-bit 12 on an Intel i5 quad-core box. Within the last
> week or two something has changed and now I can't play any media files at
> normal speed. MP3 & flac sound, MP4 video and BBC iPlayer audio all run at
> several times normal speed apparently only limited by the rate my machine
> can load the data. Does anyone know if any recent Mint updates might have
> borked the system?

I have run into this problem before.
I fixed the problem by setting pulseaudio to 48000 Hz.
In /etc/pulse/daemon.conf
#default-sample-rate = 44100
default-sample-rate = 48000

Restart the PC, and see if that helps.

The reason behind this, is PC based sound cards prefer 48000 Hz, and
pulseaudio can get confused sometimes when using 44100 Hz.
Pulseaudio will resample your mp3s so that they match the 48000 Hz of
the sound card.
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