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#11
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"Bob Miller" wrote
The 8-VSB Frankenstein is killing free OTA TV. I thought it was killing dorky mobile-advertising companies, like yours? |
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#12
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Jeff Shoaf wrote:
Bob Miller wrote: Jeff Shoaf wrote: Bob Miller wrote: The business model that relied on OTA analog broadcasting broke years ago and was replaced by cable and satellite. The OTA part broke. First it was not able to reliably be received by a large portion of the population. I've never seen any indication that analog OTA could not be received by a large portion of the population. The push to satellite and cable was driven by the availability of much more content at a reasonable price. Now there's some backlash due to sat and cable prices going up. And up. And up. The push to cable was a direct result of the reception problems of OTA analog. The first cable companies ONLY rebroadcast on cable what was receivable OTA. There were NO other "cable" channels or as you say "more content". If OTA had worked well the cable industry would have not gotten off the ground till much later when "cable content" became available. But how would cable content have become available if there was no cable to begin with? Someone would have had to come up with the concept that people would pay for more content then they could get OTA and then found the money to build a cable company. A much bigger, FedEX, type startup then to just add content to cable infrastructure that already existed because of the reception problems of OTA. As now with digital many people got very good reception. Bob, is that really you? Are you really admitting that many people get very good reception? I have always been happy to accept the 70% figure that MSTV came up for over all decent digital reception and 30% decent inner city reception for 8-VSB. And with the advent of 5th gen receivers I even would accept a much higher figure. But I don't believe that OTA can survive with even a 95% OTA decent reception to fixed receivers number. I don't think OTA can survive without a mobile and portable reception capability. My survive OTA numbers would be something like 95% overall, 98% inner city and 75% mobile general, 98% inner city. Anything less bye bye OTA 8-VSB. But given the option of new business models, cable and satellite, 87% of the public has abandoned OTA. Where did your "87%" come from? Regardless of whether that's correct or not, a lot of folks are moving back to OTA either to get rid of their cable/sat bill or to supplement their cable/sat with free OTA HD. I have posted numbers here that suggest that the number is more like 5% of viewers who still depend on OTA. If you add up published numbers for cable and satellite, add in the 2-3% who have NO TV and want NO TV, add in the percents that cable and satellite say are stealing their product and you get to near 3%. Commonly accepted numbers by all sides of this issue are in the 83 to 87%. In other countries with better digital modulations new business models that include free HDTV, free SDTV, pay SDTV, free digital radio and data are booming. Any links to prove any of this? What other country has anywhere near the amount of free OTA HD available that the US has? Or, even though it's off-topic here, anywhere near the amount of free SDTV? Germany offers 20 channels of free DTV plus a bunch of free digital radio with the same inexpensive DTV OTA receiver. The UK offers 30 free channels of DTV with 12 digital radio stations off the same Freeview receiver. Japan offers quite a lot of free HDTV. Same with Australia. France is now offering free OTA SD and will offer pay HD OTA soon. Italy offers free OTA SD. It goes on. Do some Googling. Here is a start. http://www.dba.org.au/index.asp?sectionID=13 http://www.dba.org.au/index.asp?sectionID=126 http://www.freeview.co.uk/channels/?lv[0]=channels And though it's totally off-topic for this group, where is pay OTA SDTV, digital radio, and/or data booming? And who cares about one-way data broadcasting? All these other countries are different from the US, Canada, Mexico and S. Korea and different from each other. Remember this... One thing they have in common are DTV modulations based on COFDM that solves the problem of dynamic and static multipath. One thing in common the countries that are failing at digital DTV is 8-VSB, a modulation that does not solve the problems of dynamic and static multipath. Where is 8-VSB DTV failing? Certainly not in the US despite your continuous assertion's. Certainly failing in the US. Maybe a 1-3% penetration after NINE years. France has a 20% penetration after ONE year in the half of the country covered. And, as you yourself mentioned above, different countries are different and have different needs. You yourself have previously talked about COFDM needing repeaters to cover the distances needed in the US. From personal experience, the current standard in the US covers these same distance easily. COFDM DOES NOT need repeaters to do anything that 8-VSB can do and do it far better. COFDM CAN use repeaters, something that 8-VSB professes to be able to do but which they don't do and which I doubt very much. They can pretend to do it but they can't really do it. DVB-T/H, ISDB-T and DMB-TH all can do ON CHANNEL repeaters and can do SFNs both of which 8-VSB is 'challenged' by. The US analog TV broadcast network uses repeaters to cover about 30% of the US. They don't have enough spectrum to use repeaters for that 30% for digital. That is a PROBLEM! It would be nice if they could use the SAME channel to repeat wouldn't it? Then you wouldn't need all those repeaters on spectrum we DON'T have. USDTV was/is/will fail not because it is a pay service but because it tries use 8-VSB to deliver the service. The fact that it has a limited choice and limited bandwidth doesn't help but is not as crucial as the huge wasted effort in truck rolls to customers that can not get a reliable signal. And that is true even though USDTV cherry picked their first locations, Salt Lake City and Las Vegas for their bowl like terrain and lack of forest. Nope. USDTV was/is/will fail because folks interested in a pay service already have a pay service. If USDTV were to move into an area not already covered by cable, they might have a chance. As things stand now, there's no compelling reason for consumers to switch from cable to USDTV. There is a very compelling reason to switch to an OTA pay service, a lower price. An OTA pay service will have 10% of the cost of a cable system to deliver the content. It is working in the UK where they have cable and satellite. The cost to set up an OTA pay system is minimal and customers can be added with a phone call if the modulation works. You can offer services that cable and satellite don't like mobile. XMRadio and Sirius both plan on offering DTV. Both are spectrum challenged. OTA terrestrial kills all other forms of DTV and digital radio. It kills analog radio. The only competition OTA DTV has, done right, is point to point wireless broadband. But IMO they will be done as a package, wireless OTA broadcasting to mobile and fixed wireless to fixed in home receivers. Nothing else survives. In fact add in cell phone service to that package. All three wireless services, nothing wired in house or out. Nothing else survives. Wireless spectrum is virtually infinite. Look Ma no wires, no fiber, no telephone company, no cable company, no satellite company, no cell company. Just IP broadband wireless. Bob Miller Bob Miller |
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#13
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dmaster wrote:
Bob Miller wrote: In the past I have noted that broadcasters in the US (most) would love to just turn off their OTA transmitters if they only could retain must carry rights on cable and even better if they could get and retain multicast must carry. They haven't got multicast must carry so far to they will continue as they are until they have it or believe they have no chance of getting it. I actually agree that as least *some* OTA broadcasters probably would like to become purely cable and satelite content providers. Probably makes business sense for them. But if that were settled they would love to just turn off those transmitters and save the electric bill. One reason for this is our lousy modulation which ALLOWS FOR NO BUSINESS MODEL THAT MAKES SENSE. And now I have to disagree as once again your little choo-choo train of thought pulls over onto the usual rarely used siding. ... Here is what they are doing in Canada. It is a bit more transparent there you see but it is the same thing happening. Broadcasters wanting to abandon OTA while in other countries OTA is going bananas. This could well be true, but *not* for the reason you keep harping on. It is very simple. If Canada had a COFDM modulation they would have more OTA receivers today than homes. If they had COFDM modulation they would be going bonkers with OTA and cable and satellite would be screaming uncle. ... available without cable or satellite. The industry argues that between 80 and 90 per cent of Canadians are cable or satellite subscribers, so the conventional broadcasting method can soon be eliminated. That could save costs for the networks, who would otherwise have to spend millions updating the infrastructure. ... This is the part you refuse to see. I absolutely see it and it is totally bogus. It's not just modulation technique that makes the U.S.A. and Canada unique. It's the nearly universal availability of alternate content delivery mechanisms: cable TV and Satelite TV. Haven't you noticed that *all* the markets you trumpet for their booming OTA activity *DON'T* have alternate content delivery mechanisms available to most people? Do you get it? I get the fact that nations like Japan that have cable and satellite similar to us, similar uptake, even HDTV satellite for years and years, are going bonkers for OTA free HD. Germany where they have a higher percentage of cable and satellite customers than the US has a 30% penetration of OTA receivers even though the country is not fully OTA DTV yet. It is NOT cable and satellite penetration that limits OTA in these countries and it is not in the US or Canada either. It is the lack of a decent modulation so that decent OTA business plans can offer decent content free or for a decent price. It's not the modulation scheme that hampers the acceptance of OTA DTV in the U.S.A., it's the choices! I'll argue that even if a *hugely* more capable scheme could be implemented (which is ludicrous given the amount of money already spent be broadcasters and consumers for a perfectly workable system), it wouldn't change things much at all. I'll even bet that at this point, the only thing that would really make a difference is a big jump in the price of cable and satelite reception, or a big drop in the amount of cable and satelite content. Or a new offering that could easily be received both mobile and fixed at a lower cost for selected content. Or maybe many new providers of free and pay per view and ala carte services that cover all bases and offer myriad new choices. A big drop in cost of content along with a drop in amount of content. But all that is up in the air. There could be a lot lot lot of content delivered over channel 52, 53, 54, 55, 56, 57, 58, 59 and Crown Castles 5 MHz. Especially when you are using MPEG4 AVC and especially as it matures. Well we are going to see aren't we. There are a number of COFDM based DTV ventures coming to the US. Qualcomm will broadcast DTV to cell phones and other smaller devices. Crown Castle will do the same but possibly targeting larger screens as well. HiWire will target both mobile and fixed TV sets. Others will offer more mobile/fixed services after the 2008 FCC auctions of channels 52, 53, 56, 57 and 58. Even XMRadio and Sirius plan on getting in on the action. At least they say they will. SO your "ludicrous" statement should be directed to them. Qualcomm already has spent 800 million they say. Billions will be spent trying to do what current broadcasters don't want to do, can't do because of their modulation. They will change modulations or they will be asking the FCC to let them turn off their transmitters just like the Canadians. And it is ALL about the modulation. We will see it right here in the USA. One set of broadcasters going wild with OTA broadcasting using COFDM while another group want to shut off their 8-VSB transmitters to save electricity cost. Bob Miller ... Dan (Woj...) |
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#14
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"Bob Miller" wrote ....One set of broadcasters going wild with OTA broadcasting using COFDM while another group want to shut off their 8-VSB transmitters to save electricity cost. Bob, this is a fantasy and a lie. Everyone who reads your posts knows it is a fantasy and a lie. Give it up. In all your posts, no one, NOT ONE person has been suckered in. You are a loser. Go away, find another interest, and get an honest life. |
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#15
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Dave Gower wrote:
"Bob Miller" wrote ...One set of broadcasters going wild with OTA broadcasting using COFDM while another group want to shut off their 8-VSB transmitters to save electricity cost. Bob, this is a fantasy and a lie. Everyone who reads your posts knows it is a fantasy and a lie. Give it up. In all your posts, no one, NOT ONE person has been suckered in. You are a loser. Go away, find another interest, and get an honest life. You wish but unfortunately it is the truth. http://www.betanews.com/article/Cana..._TV/1164755790 "CTV estimates the capital cost of converting its 114 transmitters at more than $200 million. Since the vast majority of Canadian TV viewers do not access their TV by antennae ("over-the-air"), it's urging the CRTC to allow conventional broadcasters to "transition to digital and HD transmission without the obligation to provide digital over-the-air facilities and to gradually phase out analog transmitters." " That is in Canada but the same conversation goes on in the US. Broadcasters have told me that it makes no sense to keep their analog transmitters on in most markets. The demographics of those who still rely on OTA analog is pathetic and the number of those who actually use digital OTA is more pathetic. All US and Canadian broadcasters I have talked to said other than in key cities they would turn off their analog transmitters. And in ALL cases they would not have turned on their digital transmitters with 8-VSB except for the fact that they had to to stay in business with must carry. No fantasies here. And a number of Canadian broadcasters agreed that if they could have they would have gone on the air years ago with COFDM and loved it. Same with Sinclair, ABC, NBC, Pappas and Granite here in the US. Bob Miller |
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#16
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On Wed, 29 Nov 2006, Bob Miller wrote:
It is very simple. If Canada had a COFDM modulation they would have more OTA receivers today than homes. If they had COFDM modulation they would be going bonkers with OTA and cable and satellite would be screaming uncle. So, people in Fort Doggerel NWT will stop using satellite in favor of COFDM based OTA? HAR HAR HAR! I get the fact that nations like Japan that have cable and satellite similar to us, similar uptake, even HDTV satellite for years and years, are going bonkers for OTA free HD. Bull****. Pure, unadulterated, Psycho Bob bull****. Unlike Psycho Bob, I actually know something about the situation in Japan. Psycho Bob intentionally confuses receivers that have OTA HD tuners with OTA HDTV households. There is still very limited free OTA HDTV in Japan. Most HDTV households are cable or satellite, and have been for many years. Japan's COFDM-based OTA HDTV broadcasts can only be received in limited areas (not even all of Tokyo!). This is the same Psycho Bob who downplays HDTV sales in the US, claiming that hardly anyone who bought an HDTV set is actually watching HDTV. This is the same Psycho Bob who tried to convince us that one-seg is the same as OTA television. Germany where they have a higher percentage of cable and satellite customers than the US has a 30% penetration of OTA receivers even though the country is not fully OTA DTV yet. Germany switched off analog, didn't they? And where is Germany's HDTV? -- Mark -- http://staff.washington.edu/mrc Science does not emerge from voting, party politics, or public debate. Si vis pacem, para bellum. |
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#17
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Bob Miller writes:
[...] One set of broadcasters going wild with OTA broadcasting using COFDM while another group want to shut off their 8-VSB transmitters to save electricity cost. Bob, I sm so tired of your false, misleading statements that it is time for all to see that your pants are down around your ankles. Just exactly what are your credentials? Do you have a degree in electrical engineering? Have you studied digital communication theory? Have you studied groups, rings and fields in abstract algebra? Do you know what a Galois field is and how it is applied in FEC block codes? Do you even know the difference between a block code and a convolutional code? Do you understand the concept of trellis coding? Do you know what the term "sufficient statistics" means? Can you show how a correlation receiver is the optimal receiver for minimizing the probability of symbol error? Do you understand Shannon's capacity theorem, and can you tell me the significance of the number -1.6 dB? I doubt it. Your statement above belies your ignorance. In fact, your entire rant of "COFDM good/8-VSB bad" belies your ignorance of digital communication theory. Let me explain something to you, Bob. COFDM IN AND OF ITSELF DOES NOT GUARANTEE ANY ADVANTAGE WHATSOEVER OVER 8-VSB. That's right. That's because you're comparing apples to oranges. It's like saying a Chevy 350 V-8 engine is superior to Ford's C6 transmission. THEY'RE TOTALLY DIFFERENT THINGS! Now read this carefully: OFDM DOES NOT DICTATE A SPECIFIC MODULATION! That's right. OFDM is in reality a type of access method known more generally as frequency division multiplexing. The *modulation* used in each individual carrier of an OFDM signal can be anything: BPSK, QAM, or even (ha!) 8-VSB. OFDM is a multi-carrier method as opposed to a single-carrier method (like plain old BPSK, 16-QAM, FSK, etc.). Now, also get this, which is to the false point you made above. For any given modulation, OFDM is actually LESS power efficient than the corresponding single carrier system. That is because the peak-to-average power ratio of OFDM is much higher than a single-carrier system. Independence of the carriers in OFDM create the possibility of phase alignment on all carriers, which causes the signal amplitude to spike way above average. The use of data whitening algorithms prevent an analogous thing from happening in single-carrier systems. My suggestion to you is that you stop spreading dis-information on subjects you are ill-prepared to discuss. -- % Randy Yates % "Bird, on the wing, %% Fuquay-Varina, NC % goes floating by %%% 919-577-9882 % but there's a teardrop in his eye..." %%%% % 'One Summer Dream', *Face The Music*, ELO http://home.earthlink.net/~yatescr |
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#18
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Not this thread again! I come here for information and all I find is this
Bob that keeps starting OTA is ....... Damn and people keep responding to his trolling..... Just my two cents. Rich Randy Yates wrote: Bob Miller writes: [...] One set of broadcasters going wild with OTA broadcasting using COFDM while another group want to shut off their 8-VSB transmitters to save electricity cost. Bob, I sm so tired of your false, misleading statements that it is time for all to see that your pants are down around your ankles. Just exactly what are your credentials? Do you have a degree in electrical engineering? Have you studied digital communication theory? Have you studied groups, rings and fields in abstract algebra? Do you know what a Galois field is and how it is applied in FEC block codes? Do you even know the difference between a block code and a convolutional code? Do you understand the concept of trellis coding? Do you know what the term "sufficient statistics" means? Can you show how a correlation receiver is the optimal receiver for minimizing the probability of symbol error? Do you understand Shannon's capacity theorem, and can you tell me the significance of the number -1.6 dB? I doubt it. Your statement above belies your ignorance. In fact, your entire rant of "COFDM good/8-VSB bad" belies your ignorance of digital communication theory. Let me explain something to you, Bob. COFDM IN AND OF ITSELF DOES NOT GUARANTEE ANY ADVANTAGE WHATSOEVER OVER 8-VSB. That's right. That's because you're comparing apples to oranges. It's like saying a Chevy 350 V-8 engine is superior to Ford's C6 transmission. THEY'RE TOTALLY DIFFERENT THINGS! Now read this carefully: OFDM DOES NOT DICTATE A SPECIFIC MODULATION! That's right. OFDM is in reality a type of access method known more generally as frequency division multiplexing. The *modulation* used in each individual carrier of an OFDM signal can be anything: BPSK, QAM, or even (ha!) 8-VSB. OFDM is a multi-carrier method as opposed to a single-carrier method (like plain old BPSK, 16-QAM, FSK, etc.). Now, also get this, which is to the false point you made above. For any given modulation, OFDM is actually LESS power efficient than the corresponding single carrier system. That is because the peak-to-average power ratio of OFDM is much higher than a single-carrier system. Independence of the carriers in OFDM create the possibility of phase alignment on all carriers, which causes the signal amplitude to spike way above average. The use of data whitening algorithms prevent an analogous thing from happening in single-carrier systems. My suggestion to you is that you stop spreading dis-information on subjects you are ill-prepared to discuss. |
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#19
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"Rich" writes:
Not this thread again! I come here for information and all I find is this Bob that keeps starting OTA is ....... Damn and people keep responding to his trolling..... Just my two cents. My two cents is that when a troll offers information that some people might not have the knowledge to discern is BS, then it is incumbent upon those who do have the proper knowledge to publicly expose the mis-information. -- % Randy Yates % "Bird, on the wing, %% Fuquay-Varina, NC % goes floating by %%% 919-577-9882 % but there's a teardrop in his eye..." %%%% % 'One Summer Dream', *Face The Music*, ELO http://home.earthlink.net/~yatescr |
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#20
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Mark Crispin wrote:
On Wed, 29 Nov 2006, Bob Miller wrote: It is very simple. If Canada had a COFDM modulation they would have more OTA receivers today than homes. If they had COFDM modulation they would be going bonkers with OTA and cable and satellite would be screaming uncle. So, people in Fort Doggerel NWT will stop using satellite in favor of COFDM based OTA? HAR HAR HAR! I get the fact that nations like Japan that have cable and satellite similar to us, similar uptake, even HDTV satellite for years and years, are going bonkers for OTA free HD. Bull****. Pure, unadulterated, Psycho Bob bull****. Unlike Psycho Bob, I actually know something about the situation in Japan. Then tell us about Japan. Here is what they tell us in Japan. http://www.dibeg.org/news/news-5/news-e5.htm#dn066e Psycho Bob intentionally confuses receivers that have OTA HD tuners with OTA HDTV households. There is still very limited free OTA HDTV in Japan. Most HDTV households are cable or satellite, and have been for many years. Japan's COFDM-based OTA HDTV broadcasts can only be received in limited areas (not even all of Tokyo!). If you read the URL I posted above you will see that people are free to order an HDTV set there with or without an OTA receiver. Unlike the US where the FCC mandates such receivers into your TV set. Mark would suggest that such mandated receivers in the US, whose purchasers in most cases don't even know they bought one and which they never plan on using, count while freely purchased HDTV receivers in Japan don't. This is the same Psycho Bob who downplays HDTV sales in the US, claiming that hardly anyone who bought an HDTV set is actually watching HDTV. I don't claim that I post numerous studies that have been published by many of the trusted names in TV news who all concur in that fact. Maybe you could post some authoritative sources for a different opinion. At least you could try. This is the same Psycho Bob who tried to convince us that one-seg is the same as OTA television. One seg TV is what it is. The fact is that you can also receive the main ISDB-T HDTV broadcast mobile in Japan. The one seg is for cell phones but if you want you can watch the full HD while mobile. http://www.dibeg.org/PressR/Venezuel...Venezuela).pdf So One Seg is not the same as HDTV OTA and I never said it was. Mark likes to put words in my mouth. The Japanese ISDB-T was designed such that you can receive the HDTV on 12 of 13 segments mobile or fixed while you can receive another broadcast on ONE SEGMENT of 13 on your cell phone. BOTH are OTA DTV. Both can be received mobile. I have described this many times and Mark seems to be able to ignore it. Check out the URLs and see for yourself. Brazil did and they and the rest of South and Central America will follow Japan using COFDM based ISDB-T. Germany where they have a higher percentage of cable and satellite customers than the US has a 30% penetration of OTA receivers even though the country is not fully OTA DTV yet. Germany switched off analog, didn't they? And where is Germany's HDTV? Making my points for me again Mark. Germany has NO OTA HD. HD is that wonderful all important resolution that is a must for OTA. But in fact Germany has been able to turn off most of their analog broadcasting while 30% of their households have freely purchased OTA receivers for, (drum roll) SD TV. Who would have thought! How extraordinary. It would seem that if you have a working modulation you don't even need HD for a successful OTA DTV transition. People will be happy with a dull SD. Amazing. Can you imagine how successful Germany would have been with both COFDM and HDTV? Can you imagine how successful the US would have been? Bob Miller -- Mark -- http://staff.washington.edu/mrc Science does not emerge from voting, party politics, or public debate. Si vis pacem, para bellum. |
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