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tyrells/extract_audio.sh

Created May 6, 2014 17:08
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How to extract audio from a .mp4 file
Raw
extract_audio.sh
# 1. Find audio track number
MP4Box -info file.mp4
# 2. Extract raw audio track
MP4Box -raw 2 file.mp4
# 3. Package raw audio track into m4a container
MP4Box -add file_track2.aac#audio file.m4a
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