I'm trying to extract audio from videos that are split and then concatenated into one MP3 file. Please also note that the videos do not have the same size or format.
I am trying to do:
ffmpeg -i video1.mp4 -ss 00:00:00 -t 10 \ -i video2.mp4 -ss 00:00:00 -t 10 \ -i video3.mp4 -ss 00:00:00 -t 10 \ -filter_complex "[0:1] [1:1] [2:1] concat=n=3:v=0:a=1 [a]" -map "[a]" total.mp3
But I only get one 10 second result MP3 file and not a 30 second one from all 3 video files.