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Why can't I choose 720p AND 25fps when authoring a bluray in Encore CS6?

May 24, 2013 3:05 AM

My master files are 720p, 25fps. I do not want 50fps (horrible).

Now it seems my only option is to upscale.

Any idea why I can't pick 720p and 25fps?



  • Currently Being Moderated
    May 24, 2013 5:09 AM   in reply to stephbubble

    It is not a supported format:


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  • Currently Being Moderated
    May 24, 2013 6:58 AM   in reply to Stan Jones

    Exactly so.

    Please remember - and this is important - that 25p PAL never was a part of the specs. It is not just Encore, it is the BluRay specifications.

    1920x1080/25p is also not allowed.

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  • Currently Being Moderated
    May 24, 2013 7:14 AM   in reply to stephbubble

    stephbubble wrote:


    Well for 1920x1080 it must be allowed because it's an option and it is working at 25fps so I went with that.

    But alternatively, I could choose NTSC (means kinda nothing these days, does it?) and go for 24fps.

    blu ray players these days play NTSC or PAL regardless, right?

    Er, no.

    You are not allowed to use 1920x1080x25p in BluRay. It is not in the specs.

    Allowed streams are as follows:

    i/.     1920x1080 (aka"Full HD") allowing frame rates of 29.97i, 25i, 24p and 23.976p

    ii/.     1440x1080 allowing frame rates of 29.97i, 25i, 24p and 23.96p

    iii/.     1280x720 allowing frame rates of 59.94p, 50p, 24p and 23.976p

    iv/.     720x576 allowing a frame rate of 25i

    v/.     720x480 allowing a frame rate of 29.97i

    Be very, very careful about going from 25 to 24 as you will often get ffame blending problems, and there is a very real chance of a slowing down of playback speeds as certain tools will convert frame for frame, outputting just 24 per second instead of the actual 25 per second.


    Players are generally pretty universal, TV are not.

    Most if not all modern PAL sets will output either NTSC or PAL-60, but most NTSC sets will not output PAL in any way.


    If Encore is allowing 1920x1080x25p and not 25i, then it is wrong, and off spec.

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