[opendtv] Re: Next-Gen TV Standard: DVB With A Twist? | TVNewsCheck.com
- From: Albert Manfredi <albert.e.manfredi@xxxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Sun, 1 Sep 2013 19:39:11 -0400
Cliff Benham wrote:
What are the LATEST ATSC receivers?
Good question. Whatever innovations there might be do not appear to make the
news anymore, but that's not all that surprising. Same thing happened with
NTSC, after all.
The most recent improvements I've seen mentioned at all, aside from ATSC-MH,
were the supposed 6th gen LG design that came shortly before analog shutoff.
But I always thought that "6th gen" was more or less a marketing gimmick.
I'd like to know just how much better DVB-T2 is than whatever the current
crop of built-in ATSC receivers, at the same spectral efficiency, including
comparison of long range reception at equivalent transmit power levels, of
course. Just how compelling a case is there for another switchover several
years down the road, to a new one-way-broadcast-only scheme?
Or an even better question would be, although hard to answer, just how much
better is DVB-T2 than that Zenith "cold fusion" receiver, which I speculate
had dual conversion IF stage as well as a tracking RF tuner front end? That
kind of improvement would be available with absolutely no FCC involvement .
(A switch to H.265 would be nice, but even that could be gradually
introduced, at first replacing only HD channels perhaps.)
This is the issue, I think. We're in an era of broadband 2-way networks
now. It seems to me that the case for a major switch of broadcast OTA
modulation is about as earth-shattering as that announcement of a
new-old-school cable STB from Comcast (also relevant only to one-way
broadcast streams) .
Bert
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