PH4-P Compression Question

rmb

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I was looking at the Video format/compression specs for the Phantom 4 Pro and I could use a little guidance here.

This is what they say regarding 2.7K - H.264
2.7K:2720×1530 24/25/30p @80Mbps
2.7K:2720×1530 48/50/60p @100Mbps

My question is why at the same aspect ratio would the data rate/compression (80Mbs vs 100Mbs) be better at twice the fps" i.e. 24p is only captured at 80Mbs, but if I want to capture double the frames (48p) I can do it at 100Mbs?

I'm sure I am missing something here. Tough to get old ;)

rb

PS. it is the same in their description for H.265

Thanks
 

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