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What's the maximum compression ratio for h264 and h265 encoding now?

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Well, in my situation, my encoding configuration is:

resolution=3840x2160

target bitrate=500kbps

fps=30

codec=h264

RC mode=CBR

And the real encoded bitrate is 4000kbps. And I found some sentences in this forum that said the limit of the compression ratio is 500x.

I can understand the real bitrate is mismatched now. But I want to make sure that the limit of the compression ratio is still 500x? Is h265 encoding the same?

BTW, there is a parameter named BitrateLimit in CodingOptionValue. I tried to set it to false, and nothing changed.

 

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Tuesday, March 17, 2020 - 21:26

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