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It's to leave room before first picture, for slates, countdowns, test signals etc, while still preserving an easy count of running time for the video. Yes, it traces historically to broadcast and in particular videotape. Many tape-based editing systems couldn't deal with 24-hour wraparound, so the next even hour became traditional 'time zero'. I suspect ...


2

More and more cameras are including GPS time sync now that they almost all use them for location information. I am sure you can find a camera at any price range that includes this capability. The GPS should keep your cameras within a few hundred milliseconds of each other. Take them for a run at Best Buy or a similar store, letting them run for a while to ...


1

FFmpeg can do this. Example from the FFmpeg Filtering Guide: ffmpeg -i in.mp4 -vf "drawtext=fontfile=/usr/share/fonts/truetype/DroidSans.ttf: timecode='09\:57\:00\:00': r=25: x=(w-tw)/2: y=h-(2*lh): fontcolor=white: box=1: boxcolor=0x00000000@1" -an -y out.mp4


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The reason you cant get the durations is because a marker is just reference to a point in time, not a time range. This time around you will need to find the durations manually either by opening the clip or subtracting the time of the previous marker form the current one. You can give markers durations, but not as effortlessly as just placing a single ...


1

If you have Compressor installed (comes with the Final Cut 7 Studio) you can burn-in a timecode to a video. You need to setup a preset at the beginning, but then you can make a droplet for further use.



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