FFMPEG Boost Audio Level
ffmpeg -i original.mov -af "volume=18dB" -c:v copy -c:a aac -b:a 192k normalized.mov
KostasX
ffmpeg -i original.mov -af "volume=18dB" -c:v copy -c:a aac -b:a 192k normalized.mov
ffmpeg -i original.mov -af "volume=18dB" -c:v copy -c:a aac -b:a 192k normalized.mov