And no, Sinclair is not impartial, they are a business. You can't get more partial than that unless you are Republican and I think that Sinclair is also Republican. Bob Miller BTW I voted for Bush Senior both times and Ronald both times but am a registered Democrat (required in NYC) like our mayor Bloomberg, consider myself independent and can't stand our current Cowboy in Chief. John Willkie wrote: >could you name a single organization that ever issued a document or >documents that you do not agree with that you will still label as impartial? >So far, your list of partial organizations is NAB, MSTV and now the CRC. Is >Sinclair impartial? > >John Willkie > > >----- Original Message ----- >From: "Bob Miller" <bob@xxxxxxxxxx> >To: <opendtv@xxxxxxxxxxxxx> >Sent: Thursday, June 30, 2005 11:27 AM >Subject: [opendtv] Re: 20050627 Mark's Monday Memo > > > > >>I don't think the CRC is an impartial organization. They have NO >>credibility with me. I would not ask them the time of day. >> >>In fact the only credible test if you are going to make an investment is >>to test yourself and the test we have done so far says that COFDM works >>and has since we first tested it and 8-VSB has not and still does not >>accept maybe with the latest receivers if we are willing to restrict our >>venture to fixed receivers that will cost more than necessary and come >>from a restricted list of manufacturers who themselves are less than >>enthusiastic about the modulation and our prospects as customers using it. >> >>Not real exciting. >> >>You can continue twisting this anyway you want but the reality is that >>in the US few entities of any kind have shown ANY interest in investing >>in 8-VSB at any level unless force, cajoled or MANDATED and that ONE of >>those few, ourselves, is possibly the BIGGEST critic of the modulation >>8-VSB. >> >>The CEA which is maybe one of the biggest proponents of 8-VSB is also on >>record as saying that OTA broadcasting is and should die. >> >>Bob Miller. >> >>Manfredi, Albert E wrote: >> >> >> >>>Bob Miller wrote: >>> >>> >>> >>> >>> >>>>If we had an 8-VSB receiver as good as a 1999 COFDM >>>>receiver I would not be in doubt about a venture >>>>with the 5th gen receivers we have tested so far >>>>and would not be up late tonight talking to the Far >>>>East about the latest. >>>> >>>> >>>> >>>> >>>Context is everything. >>> >>>First of all, in urban canyon reception, COFDM is doing >>>exactly what it was designed to do. That's where it's >>>*supposed* to shine. So if it does, it should not come >>>as a great surprise. >>> >>>But even in spite of that, real tests by the CRC, an >>>impartial organization, provided this result in their >>>September 2003 article in the IEEE Transactions on >>>Broadcasting: >>> >>>"As shown in Fig. 4, the DVB-T receiver could handle >>>pre and post ghosts over a wider range. It had a window >>>of 74 us working within a delay range of -74 to +74 us, >>>and capable of resolving zero dB ghost for a signal >>>having a high C/N of 31 dB, and less than 1 dB ghost >>>for a signal with a C/N of 22 dB." >>> >>>By comparison, the CRC test on both the LG and the >>>previous Linx receivers showed that two 0 dB echoes, >>>i.e. three equal strength symbols arriving 1 usec >>>apart, as in Brazil E, could successfully be decoded >>>with a C/N of only 25 dB. And less stressful profiles >>>required C/N margins in ranges well below 20 dB. >>> >>>So this shows a mixed bag. The 8-VSB receivers still >>>cannot match the echo tolerance range of COFDM with >>>GI set to 1/16 (50 uS for LG, 74 uS for COFDM), but >>>they can beat your 1999 COFDM performance for the >>>very difficult Brazil E profile handily, with 6 dB of >>>extra margin. >>> >>>This is what I'm getting at. Depending on specific >>>surroundings, your sweeping assessment might apply or >>>not. In GENERAL, these tests show what most people >>>already know: COFDM is great in areas of high >>>multipath. It is very robust. But it is best used >>>where signal strength is not a big issue. That's why >>>it's good for applications like WiFi. If signal >>>strength is an issue, then even in *some* high >>>multipath environments, the new 8-VSB receivers might >>>have an edge. Unless you do the careful tests, >>>sweeping generalizations are not credible. >>> >>>Bert >>> >>> >>> >> >> >> >> ---------------------------------------------------------------------- You can UNSUBSCRIBE from the OpenDTV list in two ways: - Using the UNSUBSCRIBE command in your user configuration settings at FreeLists.org - By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word unsubscribe in the subject line.