[opendtv] Re: --FCC OKs WiFi between TV channels
- From: Craig Birkmaier <craig@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 26 May 2004 08:20:23 -0400
At 1:29 PM -0400 5/25/04, Mark Schubin wrote:
> >
>>
>>Am I the only person who has noticed that all HDTV sets (by definition) are
>>16:9 and that SDTV sets are 4:3 by default?
>>
>I think you will find that virtually all 27-inch, 32-inch, and 36-inch
>TV sets that are said to be HDTV have 4:3 screens. There is also a fair
>number of larger HDTV sets with 4:3 screens. The Consumer Electronics
>Association's definition of an HDTV set does NOT preclude a 4:3 screen.
>
>I think you will also find quite a few plasma TVs in this country that
>are 16:9 but only SDTV. In Europe and Japan, you will find huge numbers
>of 16:9 SDTV sets.
>
>TTFN,
>Mark
YUP.
Screen aspect ratio has nothing to do with the ability to deliver
HDTV program content. The LARGEST volume of high resolution displays
in use today are on computers. Many are 4:3 at 1600 x 1200 resolution
or more. And there are wide LCD displays at multiple aspect ratios.
The Apple Cinema HD display is 16:10 with 1920 x 1200 resolution.
When we move into the realm of addressable displays the "local"
resolution and aspect ratio are decoupled from the source.The image
processing engine is EXPECTED to accommodate ALL content, regardless
of the source resolution and aspect ratio. This is why Apple was able
to demonstrate both 720P and 1080P playing full screen on a 17"
Powerbook at NAB (the display is 1440 x 900, a 1.6:1 aspect ratio).
Regards
Craig
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