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28 Aug 17 - 12:48 PM (#3874047) Subject: Tech: ffmpeg-selective mp4 volume increase From: Bonzo3legs A command for increasing the volume of mp4 video is: ffmpeg -i input.mp4 -vcodec copy -af "volume=3dB" output.mp4 This would increase the volume of the whole video by 3db What would be the command to increase the video's volume by 3db between 24 minutes and 30 seconds and 30 minutes and 10 seconds only? |
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28 Aug 17 - 01:16 PM (#3874050) Subject: RE: Tech: ffmpeg-selective mp4 volume increase From: DaveRo "Timeline editing: Some filters support a generic enable option..." If volume is one of them, maybe something like: volume=enable='between(t,24*60+30,30*60+10)',volume=3dB |
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28 Aug 17 - 04:21 PM (#3874070) Subject: RE: Tech: ffmpeg-selective mp4 volume increase From: Bonzo3legs Thanks for that, it seems to be working! |