Useful ffmpeg commands

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Abhi

Abhi

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To increase the volume of a file by 2.0

`ffmpeg -i input.wav -filter:a "volume=2.0" output.wav`

[Source](https://trac.ffmpeg.org/wiki/AudioVolume)
 
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admin

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`-map 0`

after input file name if you have more than one sound track in the video.
 
Abhi

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`ffmpeg -i input.wav -map 0 -filter:a "volume=2.0" output.wav`

Like this?
 
admin

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Yes, that should work.

There is a huge set of commands in their wiki. Also there is a wide community support when it comes to ffmpeg.
 

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