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lianne143Flag for United States of America

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software to compress MP3 audio file


I have a MP3 file size of 31MB and would like to compress it to send in an email . Please post me if these is a software that can compress the audio file .

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Audio data has often a high entropy, which isn't handled well by normal compression algorithms. That's the reason why MP3 was invented: It is a lossy audio compression algorithm.

So: an MP3 file is by this terms already compressed.
Why not share it with the person concerned using a file sharing service or a service that allows you to send large attachments in emails? Email is not the most efficient way of sending large files.

Check out services like or
You can use Google drive, simple, effective, free.
MS OneDrive is also a free solution to share files
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Dr. Klahn

ste5an is correct.  MP3 audio is already compressed; it can't be squeezed further.

I looked into this a couple years ago for grins.  Aat that time, 7zip, given the best algorithm and unlimited memory, would do no better than 1 to 2 percent compression of an MP3 file.
i have used wetransfer in the past - free and good