ffmpeg -i original_video.mp4 -i gained_audio.mp3 -c:v copy -c:a copy -map 0:v:0 -map 1:a:0 output.mp4
By choosing legitimate software, you ensure that you receive: Mp4gain Crack
are becoming the standard for high-fidelity audio libraries. lossless normalization , that you hoped to find in the cracked version? ffmpeg -i original_video