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I'm trying to mute all 5.1 channels of audio for a period of time within a video.

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Carl Sandquist
I'm trying to mute all 5.1 channels of audio for a period of time within a video.
on Oct 30, 2019 at 12:30:57 am

I'm wanting to mute audio for a portion of a video clip. I'm wanting the video to stay exactly as it is. I came across this command online.

ffmpeg -i ~/Downloads/in.mov -vcodec copy -af "volume=enable='between(t,0,3)':volume=0" ~/Downloads/out2.mov

Although it works, it converts the 5.1 audio to stereo. Can someone mute the first three seconds of all 5.1 one channels of audio, while keeping the 5.1 channels intact?


Here's the specs on my video/audio clip:

Stream #0:0[0x100]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], Closed Captions, 59.94 fps, 59.94 tbr, 90k tbn, 119.88 tbc
Stream #0:1[0x101]: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo, fltp, 192 kb/s
Stream #0:2[0x102]: Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, 5.1(side), fltp, 384 kb/s


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