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The GoPro4 Silver model uses the same bitrate for 1080p-30 as 1080p-60 and hence the recording times are similar. This does mean that fewer bits are allocated per frame in the 60fps mode, although since the codec H264 uses inter-frame compression, the difference won't be as stark.


You could get twice the frame rate if (big if) the taking times of the cameras were shifted by 1/2 millisec. In other words, the frame R1 is time stamped 0.0010 sec and the frame B1 is time stamped 0.0015 sec, and so on. Sync would have to be centrally driven, and registration would have to be perfect. That leads to the problem that the frames from camera B ...

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