I want to merge audio and video using ffmpeg. I use following command but it erases my audio from video. I want overlap of audio from both video and audio.

ffmpeg-0  -i output312.mp4 -i abc.mp3 -c:v copy -c:a aac -strict experimental -map 0:v:0 -map 1:a:0    -y output2.mp4

1 Answer 1


Try using the amerge filter:

-filter_complex "[0:a][1:a]amerge=inputs=2[aout]" -map "[aout]" -ac 2


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