In my Sony recorder I accidentally switched on DPC speed control. I recorded for more than an hour (I can't remember exactly) but the output file is about 5 minutes. It sounds like a file which have been sped up. How can I undo this?

Here's a sample file : https://www.dropbox.com/s/xsqw7nn0tth01tx/dpc.mp3?dl=0

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    Everything I can google about the Sony recorders says DPC is a playback tool only. – Tetsujin Jul 2 '15 at 15:59
  • When played from the recorder it works fine. – THpubs Jul 2 '15 at 16:10
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    My bet would be whatever you're loading it into for playback/conversion is misreading the file headers – Tetsujin Jul 2 '15 at 16:15
  • @tetsujin I tried both windows media player and adobe audition :-( – THpubs Jul 2 '15 at 16:27
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    Does this recorder actually record in mp3? The answer on the other site is pretty comprehensive & is the way to 'fix' it if it really was recorded like that, but long-term I'd have a good shout at Sony for screwing up. – Tetsujin Jul 2 '15 at 16:49

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