How to lengthen audio with ffmpeg?

T

toppi2020-12-11 16:38:57

fmpeg

toppi, 2020-12-11 16:38:57

I have a sound.mp3 with a duration of 1 second, how can I increase it to 10 seconds?
It is necessary that the content "sound.mp3" is played 1 time and then there are 9 seconds of silence, which just need to be added.

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Sergey Tikhonov, 2020-12-16
@tumbler

ffmpeg.org/ffmpeg-all.html#apad

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