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I want to make a fade out in a video, using the afade audio filter.

Here's my command:

ffmpeg -i VIDEO06.mp4 -c:v copy -af afade=t=out:curve=hsin:st=00:0:30:duration=00:00:10 VIDEO06-faded.mp4

But appearantly that's wrong, because ':' separates the filter arguments.

How can I specify the time in H:M:S format (here's ffmpeg's duration syntax) within the params? Or how can I escape the colon?

3

Enclose the time argument in single quotes and escape the colons within.

So,

afade=t=out:curve=hsin:st='00\:0\:30':d='00\:00\:10'

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