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Slide Size = ? Aspect Ratio

1955 Views 7 Replies Latest reply: Oct 23, 2013 8:00 PM by bombora RSS
rodgerb4 Calculating status...
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Apr 13, 2013 12:07 PM

Does anyone have any idea as to what aspect ratio a 1024 X 768 slide in Keynote is? I have a projector that the aspect ratio can be changed. My issue is that I don't know what size screen I need for the projector? They are available in 16:9, 1:1, and 4:1 aspect ratios. My presentation has been created in a 1024 X 768 slide size. I realize I can change that but would rather not as the 1024 X 768 slide size seems to be the best to have the type clean and visible.

Thanks in advance if you know.

MacBook Pro (Retina, Mid 2012)
  • Gary Scotland Level 5 Level 5 (7,605 points)
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    Apr 13, 2013 1:47 PM (in response to rodgerb4)

    1024 x 768 pixels has a 4:3 aspect ratio and is the graphics display standard called  XGA (extended graphics array)

     

    To get the best  from image from a projector, find the native display size in pixels and set the Keynote document size to the same setting in the inspector.

  • Gary Scotland Level 5 Level 5 (7,605 points)
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    Apr 14, 2013 2:52 AM (in response to rodgerb4)

    rodgerb4 wrote:

     

    Also, what do you feel is the best to use so that the presentation is easy to read from a distance?

    The general rule is to create the slide size in Keynote to match the native pixel dimension of the projector you will be using, you will get that from the projectors user manual or Google the make and model of the projector.

     

    I cant guess what the spec might be of the particular projector. If you have difficulties, post back the make and model and I will get the spec for you.

  • Gary Scotland Level 5 Level 5 (7,605 points)
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    Apr 18, 2013 5:26 AM (in response to rodgerb4)

    The is to design the layout and document size for the end product, rather than create a project that will need changing which is very time consuming.

     

    As to projector screen size,  specify a screen dimension compatible with the projector format ratio. If you have a 16:10 projector use a 16:10 screen. A Square format screen is obviously a poor choice for a rectangular projector. The reseller you purchase from can calculate the best screen size for a particular projector model.

  • bombora Level 1 Level 1 (0 points)
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    Oct 23, 2013 8:00 PM (in response to rodgerb4)

    You also need to know the lens zoom factor and the position of your projector. This will determine the size of the screen. The aspect ratio of the screen should be the same as the aspect ratio of the projector: Projecto 16:9 - Screen 16:9.

    In terms of font size that is easy to read, that largely depends on the distance between the viewer and the screen. Rule of thumb is that the closest person shuold be 0.7 x the height of the screen (9' high screen = 6.3' to the front row of seating) and the furthest should be no more than 7 x the height of the screen (9' high screen = 63' to the last row of seating). This also depends on the content shown. So for slides with fine details (lot of small text, busy slides) maximum distance should be no more then 4 x height of the screen. 6 x for spreadhseet and up to 8 times for video and images.

     

    Hope this helps.

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