[opendtv] Re: Up to the minute on demand newscasts
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: "opendtv@xxxxxxxxxxxxx" <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 26 Jun 2015 02:29:36 +0000
Craig Birkmaier wrote:
Some of the words we have seen, to describe ATSC 3.0, only make
sense if the spectrum becomes a cellular scheme. Now how many
unicasts could it support then?
Not many. Obviously it would depend on the density of cell sites,
but 6 MHz is not much to work with,
Except broadcasters have perhaps 70 MHz in most major markets, or more.
OK, how about linear streaming channel?
Who needs "broadcast" to send out any number of "linear streaming channels,"
once they have had to set up the infrastrucure for other things, like VOD?
Answer me that. Use multicast if you have to reach masses of people
simultaneously, or use unicast if you have to reach few people, even with live
content. I already explained how this can be done, Craig.
This despite the fact that you rave about all of the linear
streaming channels you can access via DC and Baltimore
multicasts.
Already covered that. I'm simply disproving your incessant past proclamations
about how ATSC could not do this. I'm not pretending that broadcast is the
future. As a matter of fact, I have big doubts about the wisdom of changing
ATSC at this time, if the new ATSC is going to continue to rely only on
broadcast.
Because the industry is still making billions operating the
one-way broadcast pipes Bert.
"The industry" is has been getting beyond this for the past 15 years, Craig.
Ever since they started playing with their "in system DVRs," and other one
demand schemes. And MVPDs which are IPTV nets, like Uverse, are already beyond
using broadcast, Craig. You simply have to catch up. "Live" does not require
broadcast.
Cable and DBS systems use servers to insert local ads.
All the more reason to phase out any actual broadcasting.
The fact remains that some "linear broadcasts" still attract
audiences
And again, "linear" does not mean broadcast.
I doubt that Mark Aitken would agree.
What we have been told about ATSC 3.0 is simply not compatible with broadcast.
It's either going to require a 2-way wired or cellular system, or it's going to
rely so heavily on the Internet (wired and/or woreless) that the broadcast
aspects of ATSC 3.0 can safely be retired. But you have to read the words,
Craig, and understand what they say. Either that, or you go in assuming the
words are pure BS, which seems to be what you did?
Bert
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