[opendtv] Re: Olympics HDTV
- From: Doug McDonald <mcdonald@xxxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 01 Feb 2006 13:02:04 -0600
Manfredi, Albert E wrote:
> Speaking of HDTV, I noticed two interesting things yesterday evening.
>
> First was that there's a huge difference between live HDTV and HDTV from
> (I assume) film. I was flipping between NCIS (CBS) and American Idol
> (Fox). American Idol looked incredibly sharp and bright, almost like a
> sparkling jewel. It was gorgeous. By comparison, NCIS was sort of dark
> and murky, at least in the scenes I happened to catch. Decent sharpness,
> but not spectacular like Idol.
>
It's the difference between three things "reality", "the film
look" and "television". It's that simple. Film simply
looks less "real" than (live or digitally stored) television.
I'm a film person (still, color, 4x5 film) from way way back, and
I assure you, it's rendition of reality is horrendously bad,
especially if you rate and expose it according to the official
ISO speed. It's better if you expose it one or two more stops
and print accordingly. Modern CCDs are capable of far, far
better reproduction of reality ... if that is what one wants, of
course .. and discounts that they still don't have the resolution
of 4x5 film. I'm talking the raw CCDs here, not necessarily TV cameras.
That said, what makes TV "look" better than film is the
overall tonal range. TV usually is made to look "peppier"
and that's all that's necessary to tweek one's "reality"
button, whether it really is closer to reality or not.
Doug McDonald
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