How to fix a recording which have been sped up from the recorder using DPC speed control?

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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

THpubs

Posted 2015-07-02T15:14:16.763

Reputation: 121

1Everything I can google about the Sony recorders says DPC is a playback tool only. – Tetsujin – 2015-07-02T15:59:46.990

When played from the recorder it works fine. – THpubs – 2015-07-02T16:10:38.437

1My bet would be whatever you're loading it into for playback/conversion is misreading the file headers – Tetsujin – 2015-07-02T16:15:08.377

@tetsujin I tried both windows media player and adobe audition :-( – THpubs – 2015-07-02T16:27:07.703

Above & beyond the call of duty, but post the original file to dropbox & I'll have a look. – Tetsujin – 2015-07-02T16:30:27.477

@Tetsujin Thanks a lot for your help! I just uploaded a new short recording (original file) https://www.dropbox.com/s/g20dlf4ebgl47y5/150702_004.mp3?dl=0.

– THpubs – 2015-07-02T16:39:00.927

@Tetsujin I just posted the question in another forum http://forum.videohelp.com/threads/372702-How-to-fix-a-recording-which-have-been-sped-up-from-the-recorder-using-DPC?p=2398037#post2398037 In there I got the same answer as you did but still got to test it. Please let me know if you have a different answer.

– THpubs – 2015-07-02T16:40:10.737

1Does 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 – 2015-07-02T16:49:00.697

@Tetsujin Yep it's recording mp3 :-) – THpubs – 2015-07-03T00:58:22.913

No answers