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Title better reflects the question as asked.
Michael Liebman
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Increase volume with ffmpeg

I have the code below I want it to automatically increment up like this: (t, 30,33) and (t, 60,63), (t, 90,93) and so on it adds 30 units.

     ffmpeg -i in.mov -vcodec copy -af "volume=enable='between(t,30,33)':volume=0"out2.mov
Monso
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