Wednesday, December 9, 2009

Change MP3 bitrate - command line...

Hi All,

Recently I explained how to change - the bitrate of a mp3 file using SoundConverter...

The above one was a UI based. And the below now - would be command oriented...

1. See to it that you have the nightly build or the latest ffmpeg installed.
2. If you are a novice - go for the one - that is available with your default repos.
3. In Lenny - you will have to still install the gstreamer plugin with ffmpeg.
4. The above is a ugly set of ffmpeg and gstreamer 0.10. Google it out...

Now the main command...

ffmpeg -i file.mp3 -ab 64k file_changed.mp3

You can issue 'man ffmpeg' and find out a ton of command options for this amazing tool. Here in above bolded command -ab is for the bit rate change - to 64k.

Try it out yourself and let me know for any doubts...

Cheers :)
Ananth Gouri

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