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Given an MP4 video, merges two audio tracks into one, without re-encoding the video
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| #!/bin/bash | |
| #ffmpeg -i $1 -strict -2 -filter_complex "amerge,pan=stereo:c0<c0+c2:c1<c1+c3" mono_$1 | |
| ffmpeg -i $1 -filter_complex "amerge,pan=stereo|c0<c0+c2|c1<c1+c3" -vcodec copy mono_$1 |
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