[opendtv] Re: Digital TV: Brazil to Adopt Anything But the American System
- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 2 Feb 2006 14:31:08 -0500
Mark Aitken wrote:
> Found this one today. Could spell disappointment for some.
> The breaking point appears to be:
> No Mobile
> No Portable
You forgot the biggest "breaking point," as I read the piece:
Loans in excess of 300M Euros?
Quoting:
--------------Begin--------------
Besides the Japanese and European models, there is the American system,
which has not yet been completely ruled out. Expert opinion is divided
over which is the best format for Brazil.
"The Americans said they could offer more innovations by July. The
Europeans offered loans on the order of 300 million euros. The Japanese
are also offering 300 million euros and tools from their system that can
be developed in Brazil," ...
---------------End----------------
Whether mobility is supported or not by ATSC improvements, I sure hope
dynamic echo tolerance, as well, as echo tolerance in general, is worked
in future updates. Doug's idea of using the inherent flatness of the
8-VSB spectrum, over a short time window, as "training sequence" seems a
very good approach. Not only that, it also provides a convenient excuse
why 8-VSB might have been better than (single carrier) 64-QAM after all:
because the time window for measuring the flatness of the spectrum is
cut in half!
Cool. We have an excu... I mean reason. Now let's get on with it.
Bert
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