Multimidia:Extracting audio

$ mplayer -dumpaudio foo.flv -dumpfile bar.mp3

or

$ ffmpeg -i foo.flv -ab 128 -ar 44100 bar.mp3

also

$ mplayer -dumpstream http://STREAM_HOST -dumpfile foobar.mp3

or

$ ffmpeg -i http://STREAM_HOST -ab 128 -ar 44100 foobar.mp3

Perl: Read each 2048 bytes from a file

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