[opendtv] Re: EETimes.com - DVB ponders next-gen terrestrial DTV standard
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Fri, 3 Mar 2006 18:11:50 -0500
Bob Miller wrote:
> I am beginning to think that you don't want to
> understand what I am saying Al
I understand, Rob, I just don't buy much of it. You start sounding
reasonable and then lapse into the customary hype. For example:
> A business plan that is based on 8-VSB has to
> contend with problems that a business plan based
> on DVB-T doesn't.
This has been overstated starting back in 2002/2003. Robustness issues
are basically solved. That the solutions are only sold in expensive and
highly integrated products is not the fault of 8-VSB. It is perhaps
greedy CE vendors (e.g. LG's strategy of not providing ATSC in separate
components), or CE vendors seeing a lack of broadcaster content, which
in turn creates lack of consumer demand, or perhaps the conspiracy
theories.
> The reality is that most TV in the future will be
> watched in places other than the living room.
That's the hype, and it has yet to be proven. But whatever the case,
living room TV (or other stationary TV) is still going strong and will
continue to do so. For example, it is what's driving Freeview success.
And furthermore, mobile hand-held is done by DVB-H and MediaFlo, and
therefore has nothing to do with ATSC.
> Estonia is going with MPEG4 and DVB-T. Estonia will
> have a successful DTV transition. It is a given.
That's also hype, and nothing precludes MPEG-4/AVC from ATSC anyway.
Never has. People don't care about MPEG-x. Freeview in the UK does just
fine without AVC. People care about what they can get that they couldn't
get before. Even with MPEG-2, there is plenty of room for interesting
multicasts in DTT today, and it's going unused or underutilized.
Especially if you consider recording devices and what they can do to
alleviate transmission schedules. And by the way, we ALREADY have
excellent HDTV, even without AVC.
> In the US no one is offering what cable is offering
> OTA because of the modulation and codec issues but
> more importantly the modulation and codec issues are
> being ignored by broadcasters because they are
> concentrating on multicast must carry issues.
The robustness issue should no longer be a problem, even if it once was.
I never said anything about carrying what's on cable. I said DTT has to
carry something that OTA NTSC does not. That extra stuff does not HAVE
to be from cable. It has to be content that convinces people to buy an
ATSC box. Just as people were convinced to buy cable by extra sports.
Something more than they have with NTSC OTA.
And the part about only worrying about must-carry only reinforces what I
said. Broadcasters have to think about what they are offering in order
to create demand. A different modulation doesn't change that.
So perhaps you can see what I mean. You keep harping on non-issues. It's
not a modulation problem. It's not a compression algorithm problem. The
robustness problem was solved three years ago. It's time to stop beating
tired old drums.
Bert
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