Batch process mp3 files

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Bogdan Pasechnik2013-09-01 22:25:28

Audio

Bogdan Pasechnik, 2013-09-01 22:25:28

I have 4000 mp3 files of different lengths. From 17 seconds to 2 hours. I need to make all files 15-30 seconds long. Please tell me the best way to implement this. It would also be great to do one more bitrade.

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@xave, 2013-09-01
@taral

ffmpeg -i input_file.mp3 -vn -acodec libmp3lame -ab 128k -ss 00:00:00 -t 00:00:15 output_file.mp3
And all this in a loop

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