I\'m trying to merge 2 audio file .WAV with 1 video file .MP4 to produce the output in .MP4 extension using CMD in
.WAV
.MP4
CMD
In order to mixdown the audio, you should use the amix filter
ffmpeg -i V.MP4 -i A1.WAV -i A2.WAV -filter_complex "[1][2]amix=inputs=2[a]" -map 0:v -map "[a]" -c:v copy Output.MP4