On 4/1/20 8:44 PM, Ranjan Maitra wrote:
I apologize for this OT question but I have just finished recording an hour-long masterpiece for my class. However, the volume appears to be really low. I don't know why this happened, but long story short, I really do not want to do this again, so I was wondering is there any software on Fedora 31 that will allow me to edit the mp4 to increase the volume. I doubt that this is that easy, but I still thought that I would give it a try.
ffmpeg is a great tool for adjusting media files.
https://trac.ffmpeg.org/wiki/AudioVolume describes only for a .wav file,
so here's what should work for yours:
ffmpeg -i input.mp4 -c:v copy -filter:a "volume=1.5" output.mp4
That should just the video directly and adjust the volume by 150%.
Adjust as necessary.
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