Just fill the screen. I assume these expensive plasma TVs are capable
of the highest of high def TV which is "1080p" or 1080i". The "p" there
stands for "progressive" and not pixels, the "i" for interlaced. But
the 1080 is the number of pixels vertically. Horizontally its 1920
pixels. All in all still a fairly low resolution image of about 2MP.
I would just size the image to fit the vertical dimension. HD TV has a
wider aspect ratio than 35mm and quite a bit wider than 4/3. If you
size to fit the vertical dimension you won't need to worry about flowing
over the horizontal dimension.
Be sure you can get a test session with the equipment beforehand.
There's always some sort of surprise... even if it's only the wrong cable.
Chuck Norcutt
John Hudson wrote:
> I have been requested to supply a few digital images for showing on a big
> screen tv [let's say one of those 50" or 60" plasma tv's] using a laptop as
> the projection / control / image sequencing device. There may be upwards of
> 30 feet between the audience and the tv screen.
>
> An 800 x 600 pixel image at a 100 ppi resolution makes for a good web based
> image.
>
> An 1800 x 1200 pixel image at 300ppi resolution makes a nice 6" x 4" print.
>
> Can someone please advise me what pixel size and what ppi resolution is
> required for a sharp big screen tv image viewed at upwards of a 30 foot
> distance,
>
> jh
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