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I have a 3gp audio file recorded with my Android cellphone.

I would like to convert it to mp3, preferably on Linux, but Windows also an option.

Any recommendations?

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3 Answers

up vote 4 down vote accepted

Try ffmpeg:

ffmpeg -i in.3gp -c:a libmp3lame output.mp3

See also: Encoding VBR (Variable Bit Rate) mp3 audio

If you are on Ubuntu, you can install avconv instead of ffmpeg, since Ubuntu ships an outdated version of the latter.

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Thanks. I ended up using ffmpeg (well, winff). But the codecs were missing so I needed the instructions here ubuntuforums.org/showthread.php?t=1117283. –  Daphna Jan 10 '11 at 7:50
I had "Unknown encoder 'mp3'". The solution is to change "-acodec mp3" by "-acodec libmp3lame". –  Dorian Nov 30 '12 at 14:28
If you get: *** THIS PROGRAM IS DEPRECATED *** This program is only provided for compatibility and will be removed in a future release. Please use avconv instead. Then use: avconv -i in.3gp -acodec mp3 -ar 22050 -f wav out.mp3 –  shakaran Apr 22 '13 at 15:08
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I found a guide about 3ga to mp3 on Google.

The guide said "Some people suggests rename the extension from .3ga to .mp3 or .3gp, then you can play it on computer. That really works sometimes, but not always.

Why renaming works sometimes? Some players check file extension before check file content. These players recognize MP4/3GP format and AAC codec, but not .3ga extension. If you fool it to believe this is a supported file, MP3 or others, it continue to check the content of the file, and find it to be in 3GP format with AAC codec, then play it successfully.

Why renaming not always works? Changing file extension doesn't change file content and format, it is still a 3GP file. If your player doesn't support 3GP format and AAC codec, it cannot play your 3GA file whatever extension you change it to be."

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i always use wondershare video converter to convert one format to another format.you can try that.

you can download the trial version from the link given from here


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Please add some informations about the tool and provide a link to the converter. –  c0dev 2 days ago
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