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24p - 23.976 vs 23.98 fps


potwnc

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This may seem trivial and unimportant, but it is actually critical. In PTE 8, 24p video renders to 23.976 fps, which is the standard for 24p. In PTE 9 video renders to 23.980 fps. A tiny difference, yes. But I need to re-render PTE video output using third-party software and my software does not recognize 23.98 as an input fps rate. Can this be corrected so that PTE 9 renders to 23.976 fps?

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PTE 9 creates true 23.976p video. We set 2 parameters: 23976 / 1000 that gives 23.976. I checked PTE 8 and it used 24000 / 1001. In theory it should give exactly same final result. Probably the only difference in a displaying of FPS information.

OK, I will change it back to 24000 / 1001 in the nearest update.

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  • 2 weeks later...

I don't think it's just a display problem. Can you check your Pascal compiler for 23976 / 1000? It may be rounding to 23.980.

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PTE 9 passes framerate 23.976 (as "Single" float variable) to the video encoder. And then the encoder internally sets 23976 / 1000. In theory it should be 23.976p

Probably your video software recoginizes 23.976p video only if a video clip has 24000 / 1001 framerate values and not 23976 / 1000 which is exactly same framerate?

In PTE 10 I fully reworked the code which works with low-level video encoder and I can pass 24000 / 1001 to improve compatibility.

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