Am 19.01.2023 um 15:49 schrieb Alexander Bieliaev via ffmpeg-user:
How can I replace a part of the audio from and to a specific time with some
other audio/sound (I want to replace it with beep in this case)?
Here is an example:
ffmpeg -lavfi sine=500:d=10 -y audio1.wav
ffmpeg -lavfi sine=2000:d=10 -y audio2.wav
ffmpeg -i audio1.wav -i audio2.wav -lavfi
[0]volume='1-between(t,4,6)':eval=frame[a];[1]volume='between(t,4,6)':eval=frame[b];[a][b]amix
-y out.wav
Michael
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