FFMPEG Volume Modify Option Description

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Do Up Volume Example ( current volume * 3 )

C:\> ffmpeg -i inputfile.mp3 -vol 1024 -ab 256 outputfile.mp3

Option Description

-ab
modify bitrate. default 64.
Bitrate * 3 EX: ffmpeg -i inputfile.mp3 -ab 256 outputfile.mp3

-vol
modify volume. default 256.
Volume * 3 EX: ffmpeg -i inputfile.mp3 -vol 1024 outputfile.mp3