[opendtv] Re: Case for 720p60
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 20 Apr 2010 10:47:46 -0500
Craig Birkmaier wrote:
> The only 480p format that could be used is square pixel 640 x 480
> with a 4:3 aspect ratio. The ATSC does not support 854 x 480p or
> 704/720x480p.
As Tom, John, and Ken have already pointed out, ATSC's theoretically obsoleted
Table 3 does support 704 X 480 at 60p, 24p, or 30p (and the silly fractional
equivalents). So my question remains. Can one use either 640 X 480 at 60p,
limited to 4:3 aspect ratio, or 704 X 480 at 60p with 4:3 or 16:9, and fit
these in the SAME ~2.5 Mb/s channel that is used so often for 480i SDTV now?
I think it's unnecessary to whine about formats like 854 X 480, for example.
Even if it would be nice to have all receivers decode that properly, what
difference does that make? Would it add something strkingly different compared
with 704 X 480? It would give us nice square pixels for the 16:9 aspect ratio,
but honestly, WHO CARES anymore? Who cared even 10 years ago?
As to predictions, I guess we all have our prejudices and our "I told you
so's." It seems to me that most of the negative predictions did not pan out, as
also did not pan out the technically nonsensical predictions.
TV productions HAVE gone to real HD, i.e. 720p or 1080i, not some ED variant.
And it's a good thing, since now so many TVs are plenty big enough that viewers
can see the difference.
TV sets did NOT incorporate the crappiest possible ATSC receivers when 1 March
2007 passed.
ATSC does work with indoor antennas.
ATSC receivers have not increased the price of TVs noticeably. Prices have
steadily dropped, at about the same rate that monitor prices were dropping
before the receiver mandate kicked in, with no noticeable glitch in the trend
caused by the 1 March 2007 date.
Built-in receivers are the norm in all digital TV countries now, NOT the
exception. Going digital did NOT mean that people were going to be willing to
mess with silly additional boxes for all time.
HD sets ARE priced for the masses.
Interactivity has NOTHING to do with the roll-out of digital TV. It's just
silly hype designed to confuse clueless politicians.
Broadcasters are still airing their prime content on FOTA TV.
The Internet is still not the default medium for TV distribution.
I'm sure I could go on and on.
Bert
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