On 2022-06-11 03:02 pm, Michael Koch wrote:
I want to concat two audio files. What's wrong with this command line?
ffmpeg -i birds1.wav -i birds1.wav -lavfi [0][1]concat=n=2:a=1 -c:a
aac -y sound.mp4
Default value for concat v is 1. So you need to set it to 0.
concat=n=2:a=1:v=0
Regards,
Gyan
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