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daviesian/Splitting MP3 Audiobooks.md

Created April 26, 2016 21:04
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Splitting MP3 Audiobooks.md

To detect all silences longer than a second:

TIMES=`/c/dev/bin/ffmpeg-20160425-git-9ac154d-win64-static/bin/ffmpeg.exe -i ~/Desktop/DW33\ -\ Going\ Postal/Going\ Postal\ 01\ -\ Terry\ Pratchett.mp3 -af silencedetect=noise=0.001:d=1 -f null - 2>&1 | grep -E '^\[silence.*start' | cut --delimiter=\  --fields=5 | tr '\n' ','

To split file at those times:

/c/dev/bin/ffmpeg-20160425-git-9ac154d-win64-static/bin/ffmpeg.exe -i ~/Desktop/DW33\ -\ Going\ Postal/Going\ Postal\ 01\ -\ Terry\ Pratchett.mp3 -acodec copy -f segment -segment_times ${TIMES::-1} thing-%03d.mp3 2>&1
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