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Sunday, April 10th, 2011, 6:47 am

How to Play Audio (Sub)Segments Repeatedly

Yesterday I dumped visual media players — a decision that I stand up for at least for now — instead using more flexible scripts to play just particular parts of songs/tracks that I enjoy, even repeatedly. I use mplayer and bash to do the heavy lifting. This is handy when good segments, e.g. one part of a long concert, need to be isolated. Segments like these are usually to be found in very large files, which can be found either by name:

find -type f | grep PATTERN

To isolate large tracks (by file size), use something like:

find . -type f -size +{10000}k -exec ls -lh {} \; | awk '{ print $8 ": " $5 }'

$ find . -type f -size +50000k -exec ls -lh {} \; | awk '{ print $8 ": " $5 }'

The self-explanatory shell script to write would look something like

mplayer /media/disk-8/Music/volO/AugMix.mp3  -ss 0:20:0 &
sleep 600
killall mplayer
mplayer /media/disk-8/Music/volJ/concert.ogg -ss 0:35:0 &
sleep 200
killall mplayer

Enjoy.

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