From Crazy Boomerang Software:
MP3 Speed Changer enables you to speed up audio files - podcasts, audiobooks without changing the pitch. Batch processing feature and easy-to-use user interface make MP3 Speed Changer valuable tool for audio listeners and authors who want to save time.
Features: Change tempo of podcasts, audiobooks and other audio, batch processing, supports MP3, WMA, OGG, and many other audio and video formats, extract audio track from video file, and speed it up.
What's new in this version: In version 2.85, you can slow your audio files down to 5% of their original speed.
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All versions:3.0 stars
out of 2 votes
Current version:5.0 stars
out of 1 votes
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"Loved it and very happy with this software"
Version: MP3 Speed Changer 2.85
Easy to work with
None that I could find.
I was able to quickly change the speed of songs I wanted for training (running). Loved the fact that I could modify tempo but the voice did not sound "chipmunk".