[opendtv] Re: Kennard and Powell to the rescue
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Sun, 11 Jan 2009 18:44:59 -0500
Cliff Benham wrote:
> No matter what the fault is, what we have is a "replacement"
> system that does not work as well as analog NTSC in conveying
> information.
Sometimers that's true, other times it works better than the analog, so
overall the new service is best characterized as "different," IMO.
To restate the obvious, analog is so variable in quality that what one
persons deems acceptable another person would never accept. That's one
problem. And IMO, even in the best of circumstances, even for those one
or two best stations in the market, NTSC quality was antedeluvian.
And that's not all. I've tried analog reception many times now, with my
new receive antenna location, mostly to convince myself that the
stations returning to VHF will still be viewable after 17 Feb. No way
could I live with this setup if I had to rely on analog TV. So how could
I agree that ATSC reception is not as good as NTSC? I can't.
And even ultimate robustness is no longer the sole province of NTSC. Now
that we have the M/H candidate standard, it would be feasible to
recreate that feature also for DTV. Low quality image reception, but
reception nonetheless, when conditions deteriorate badly. Take away as
little as 1 Mb/s of the main channel, hardly noticeable to regular
viewers, and supply a robust stream of the main program channel. Useful
for mobile users and POTENTIALLY, if CE types do what's right, also for
home users.
Bert
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