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afterdawn.com > forums > digital audio > audio > batch mp3 tempo increaser needed for audiobooks
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Batch mp3 Tempo Increaser needed for Audiobooks
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fundament
Newbie
_ 		8. January 2010 @ 14:41 _ Link to this message    Send private message to this user   
I have a lot of audiobooks I would like to batch convert to 1.5X speed but the only software I have found/tried (Cute mp3 Cutter) is limited to < 100 minute tracks and can only process one at a time.

Does anyone know of a free or cheap solution?
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cyprusrom
AfterDawn Addict

1 product review
_ 		9. January 2010 @ 07:47 _ Link to this message    Send private message to this user   
Audacity should do it in a batch, under "Effects" use Change Tempo and apply to the files you want.Also it does not have the 100 minutes limit, and it is free.

File->Import->Audio Import your files as a batch, select all by pressing Ctrl.

Press Ctrl+A (or Edit->Select->All)
Effect->Change Tempo; Here adjust the tempo that you'd like.
File->Export Multiple . Choose The format,you can also click "Options" to chagne bitrate;
-Choose a folder to export the new mp3s. If you choose the same folder as the source, make sure you untick "Overwrite existing files". Audacity will append a #2 at the end of the new tracks.
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This message has been edited since posting. Last time this message was edited on 9. January 2010 @ 08:26
fundament
Newbie
_ 		12. January 2010 @ 19:16 _ Link to this message    Send private message to this user   
Cyprusrom - Thanks!

That is a little time consuming (about 3 min per 30 min track) but much better than splitting and joining.

Thanks for your help.
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cyprusrom
AfterDawn Addict

1 product review
_ 		12. January 2010 @ 19:26 _ Link to this message    Send private message to this user   
You're welcome, thanks for the feedback!
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Piss me off, and I Will ignore You!
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