[CentOS] OT: Package to truncate .mp3 file

Lanny Marcus writes:

> I have a 2.9 MB  MP3 file. Would like to use about the first 10%, to
> embed sound on a web page. The Packages I have in Applications > Sound
> & Video don't seem to be able to  edit the file like that. Is there a
> Package I can get from a Yum Repository that will do that? Using
> CentOS 5.5 (32 bit).   TIA!
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ffmpeg should be able to help here.