On 1/22/23, Michael Koch <astroelectro...@t-online.de> wrote: > Am 21.01.2023 um 17:05 schrieb Paul B Mahol: >> On 1/19/23, Michael Koch <astroelectro...@t-online.de> wrote: >>> 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 >> That is never going to give smooth transitions. >> >> Also overly complicated as can be simplified with commands to to amix >> filter. > > If my example is too complicated, then please show a simpler example. >
asendcmd=10.0 amix weights 'X Y', X/Y being wanted volume of first/second input to amix filter. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".