[opendtv] Re: News: See the Big Picture? Don't Forget to Examine the Fine Print
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "OpenDTV (E-mail)" <opendtv@xxxxxxxxxxxxx>
- Date: Mon, 3 May 2004 12:24:44 -0400
I had written:
> Ooops. Guess again. Perhaps the BBC uses 14:9 for widescreen to
> analog channels, and it distributes 14:9 to mostly non-digital
> *export* markets, but 14:9 is nbot the BBC standard for DTV.
An even better quote from the BBC standards document I quoted
previously is this, from the appendices:
----------------------------------------
7 Appendix 1: Widescreen Safe Areas - Shoot to Protect
Clearly the aspect ratios of 16:9 images and 4:3 displays are
mutually incompatible. The majority of UK broadcasters have agreed
that a 14:9 letterbox image provides the best compromise when
viewing a 16:9 widescreen production on a 4:3 display. However,
14:9 letterbox is currently available only for analogue broadcasts.
The digital 4:3 viewer has a choice between viewing widescreen
programmes in either full-screen 4:3 centre cut-out or 16:9 "deep"
letterbox. The majority opts for full-screen 4:3 centre cut-out.
----------------------------------------
So evidently BBC DTV programs will carry on the 4:3 ratio along
with 16:9. Which means, according to the above quote, that the
majority of viewers will not be seeing the full image when 16:9
is transmitted. Incentive to buy wide screen sets.
Bert
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