[libav-tools] many audio files in the same channel

David Fire ddfire at gmail.com
Sat Aug 24 21:10:16 CEST 2013


Hi
i have many mp3 files and one mp4 file (with out any sound) i need to put
all the mp3 in the same channel (with differents start times contact will
put one after the other i think)
i tried
avconv -y -codec:a copy -async -1 -i ../../Public/out1.mp4 -itsoffset 2 -i
1.mp3 -itsoffset 10 -i 2.mp3  -map 0:0 -map 2:0 -map 1:0  -ac 1
../../Public/out3.mp4
but i got 2 audio channels...
Thanks!

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