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I would like to convert mp4 (video included) to mp3 (without video). what is the best way of doing this apart from using audacity (or similar software) and performing manual conversion (recording as the audio plays)

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protected by Ivo Flipse♦ Jan 12 '11 at 13:05

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8 Answers

up vote 3 down vote accepted

I've used Convert MP4 to MP3. As for me - it's good.

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up vote 5 down vote

Try changing the extension from .mp4 to .m4a. Then open it in iTunes and convert it to an mp3.

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Worked brilliantly. I love the fact that it uses a well-known company's software. Thanks! – Senseful Mar 18 '11 at 20:05
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up vote 2 down vote

The quickest way (If you have good internet) is just to use an online service.

For example Media-Convert or Zamzar

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up vote 2 down vote

MediaCoder should do it..

Load video, disable video, choose audio encoder, done.

Or download the Audio Version MediaCoder....

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up vote 1 down vote

All video-processing roads lead to Avidemux.

Drag MP4 into window. If the original audio track in the MP4 file was MP3, you can go directly to ‘Audio->Save’ and get the original, untouched audio with no quality loss.

If it's not MP3 (probably AAC would be more likely), change the ‘Audio’ drop-down from ‘Copy’ to ‘MP3 (lame)’, hit ‘Configure’ to set the bitrate (you probably also want to enable Joint Stereo), and then ‘Audio->Save’.

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up vote 0 down vote

Quicktime Pro is able to do it.

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is quicktime available for free on a mac? – quest49 Oct 1 '10 at 19:27
Before Snow Leopard, there were two versions of Quicktime: one free and shipped with the system, the other one being a paid upgrade. This latter is Quicktime Pro. Since Snow Leopard, a third version exists, named Quicktime X, which is free and shipped with the system. I know for sure that Quicktime Pro is able to convert from mp4 video to mp3 audio, I know that Quicktime X is not. I am not sure about Quicktime. – mouviciel Oct 2 '10 at 9:09
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up vote 0 down vote

All of the above are good choices.

You may also want to investigate MeGUI - it's complex and the learning curve is not the most accessible, but it's powerful and you may find it useful again at some point in the future.

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up vote 0 down vote

Try mediaconverter.org or AoA Audio Extractor.

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