[opendtv] Re: And They were not even invited

  • From: Tom Barry <trbarry@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Sat, 25 Nov 2006 12:28:15 -0500

Possibly they wanted to do some posturing but not really have to support their claims.


Anyway, from the "said with a straight face" department, here are some amusing, if out of context, quotes from that letter, signed by Robert K. Graves, Chairman of ATSC forum. ;-) :

- Tom

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Although there were serious flaws in some of the testing procedures and analyses, the tests did demonstrate inadequacies in the ability of early ATSC receivers to handle multiple reflected signals (“multipath impairments”). The receivers used for those tests were first and second-generation ATSC receivers, whereas now, seven years later, fifth-generation receivers are widely deployed in commercial products with chipsets that have completely overcome the inadequacies in those early receivers. Clearly, if multipath problems currently existed with ATSC receivers, the government of the United States would not have enabled the deployment of the ATSC system and would not have legislated the end of analog broadcasting with complete reliance on the ATSC DTV system for its national broadcasting system.
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In addition, broadcasters in the U.S. have captured the actual RF signals occurring in locations know to have extremely difficult multipath conditions, and have tested the latest ATSC receivers against these captured signals. The latest receivers have shown dramatic improvements in handling the most severe multipath conditions. In sum, the early problems with ATSC receivers were completely resolved two years ago.
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Thus, the TWG report has it exactly wrong: now and over the long term, the ATSC Standard has an inherent advantage over DVB-T in its ability to handle multipath impairments without sacrificing the information payload.
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In all events, at least four ATSC member companies have been working over the past several years on advancements aimed specifically at developing the mobile and handheld capabilities of the ATSC Standard. One of these companies, Zenith Electronics, has indicated that it expects to demonstrate high-quality mobile reception capability in the same 6 MHz channel used for fixed reception within the next several months.
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By the time the Philippines would be implementing DTT broadcasting, the ATSC Standard will have the capability to offer mobile and handheld services within the same 6 MHz channel used for reception by fixed receivers. While the market momentum for mobile and handheld applications is not yet as significant as that for fixed reception, we’re convinced that the ATSC Standard will ultimately be the best system for delivering the full range of DTV applications, including mobile and pedestrian services, due to its tremendous advantage in weak-signal operation and its substantially higher information payload within a 6 MHz channel.
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In the U.S., February 17, 2009 has now been set by law as a firm date for the end of analog television transmissions. Approximately 40 million very inexpensive digital-to-analog converter boxes, priced at $50 or less, are expected to be sold by that time.
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Indeed, as the Commission rightly recognizes, ensuring the lowest possible prices for receivers and set-top boxes is one of the most important factors to consider in choosing the platform upon which to base these services. The ATSC Standard, alone among the alternatives, offers the greatest economies of scale and the lowest possible prices.


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Bob Miller wrote:
(second attempt)

Seems that the ATSC responded to a Philipines request for comments
that was offered well beyond the deadline for such comments.

http://www.ntc.gov.ph/whatsnew/611Comments%20on%20Philippines%20Draft%20MC.pdf

Why is the ATSC doing this? How many countries have rejected 8-VSB?
How many girls are left to ask for a dance? Are they without shame?

Fun read though.

Bob Miller


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--
Tom Barry                       trbarry@xxxxxxxxxxx     
Find my resume and video filters at www.trbarry.com



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