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I'm looking for a software that can flatten a track's BPM, i.e. e.g. if the track begins at 120 BPM, reaches 122 BPM at the middle, and eventually slows down to 118 BPM, I would like the track to converted into a track with the same BPM throughout the track.

If possible:

  • Windows (but Linux, Mac OS X are OK too)
  • free
  • support MP3
  • can set which BPM I want to achieve

1 Answer 1

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You can use Audacity to do this sort of processing, in fact there are a number of tools in it for this - possibly your best bet is the Time Tracks Tool.

Audacity is:

  • Cross Platform - including Windows
  • Free
  • Supports multiple codecs and file types including WAV, AIFF, FLAC, MP2, MP3 & Ogg Vorbis
  • Allows you to vary the BPM of any given section.
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  • Thanks but it seems like I have to manually do it, right? May 31, 2014 at 14:28
  • If you think that it would be a commonly needed feature you could put it in as a suggestion audacity.sourceforge.net/contact/#feedback - I don't know the code base but given there is already a beat detection feature and the various tempo adjustments I would think that 85% of it is already there. May 31, 2014 at 17:57

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