"The FCC, in a 4-0 vote decided that all medium-sized televisions, screens between 25 and 36 inches in diagonal, must be able to receive both digital and traditional analog signals by March 1. This is four months earlier than the commission had decreed three years ago. Now if they just mandate more intelligent programming."
http://apnews.excite.com/article/20050609/D8AK50QG0.html
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"Each problem that I solved became a rule which served afterwards to solve other problems." - Rene Descartes (1596-1650)
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The reality is, the FCC wanted to allocate unused adjacent channels (like, if you have a channel 6 in your area, you'll also have a channel 8, but not a channel 7 -just like Springfield) for PUBLIC SERVICE, such as POLICE and FIRE radio service. The reason for the spaces was because early tuners were to wide-banded. When cable ready TVs were designed to handle adjacent channels, the rule was seen as not necessary from an engineering standpoint. So, the local broadcasters (through the NAB) went apeshit on the FCC and congress and threatened to make sure the congresspeople didn't look good on camera and would be investigated to death if 1 Hz of bandwidth was taken away from them. The FCC didn't buy it, so they said that they needed the bandwidth for HDTV. At the time, NHK in Japan was running HD programming on a 12MHz analog carrier. The NAB convinced the FCC to allow a similar, but incompatible (screw you Sony!) system for the US. The FCC said sure, but it has to work in 6MHz instead of the 12MHz of the NHK system. Several manufacturers and MIT began work on a HD video system that nobody wanted. RCA/Thompson came out with a somewhat NTSC compatible system, MIT had a variable compression/aspect ratio system, and General Instruments had a digital transport system, but the compression didn't work so good. The FCC held a bake off so each system could be evaluated. The RCA system didn't look so good, and took up several racks and required the testing center to upgrade their power. The MIT system really didn't go so well either, but they had the best idea of how it would work. the GI system worked very well, and took up one rack. MIT and GI joined forces and started seeing positive results. So the FCC made them all join forces in what became the Grand Alliance. The HD system on the air today is the result. The FCC really wants to get rid of those analog transmitters, just because they've started down this road, and they have to get to the end. The spectrum will still be going away, so that our police and fire departments will be able to communicate in a much better band, with modern comms systems.
A really good book about the whole HDTV system is Defining Vision [amazon.com]. Visit your local library, and read more about it.
http://www.amazon.com/exec/obidos/ASIN/0156005972/ref=sib_rdr_dp/102-3117503-2610558"Each problem that I solved became a rule which served afterwards to solve other problems." - Rene Descartes (1596-1650) -
It seems odd they would speed up the deadline on tuners. Afterall they're also talking extending the deadline on the shutdown of analog signals.
Maybe they're hoping this tuner deadline will nulify the need to extend the broadcaster deadline.... Then they can shutdown the analog signals on time. -
who knows - i certainly don't and can't figure it out either ..
"Each problem that I solved became a rule which served afterwards to solve other problems." - Rene Descartes (1596-1650) -
Some idiots in Congress are starting to demand the gov't must buy DTV tuners for all analog set owners (a DTV tuner in every pot), so the FCC would rather see more built in.
They are doing this even though 80% of TV sets will never use the DTV tuner using an external cable or DBS set top boxes instead. -
I bought a HDTV card a month ago. Frankly, if you already
have had a cable or sat, probably it is not very useful.
But for me who only taking off-air TV signals, the new
card provides so much improvements. And I am surprised by
that there are so many DTV signals in the air. I only feel
sorry that I did not get the card earlier. In addition,
with the digital signal, it makes TV recording so much
easier, and quality soooooooo much better. What I do not
understand is that there are definitely money can be made
here because of the quality improvement, why the
manufactures do not jump in? I guess probably there are
not many people still receiving off-air TV signal today. -
Originally Posted by edDV
The only idiots are the ones foisting this change on us. Let people decide on their own when they want all-digital. Once tv's start to fail and the only new options are digital, THEN you can look into switching. But not at a time where a brand new tv from last Christmas does not work with the signals anymore. That's so retarded it's almost inconceivable.Want my help? Ask here! (not via PM!)
FAQs: Best Blank Discs • Best TBCs • Best VCRs for capture • Restore VHS -
Originally Posted by lordsmurf
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Sure. We blow tax money on other shit. If they want to avoid a "stupid" tax use, then they should instead re-consider a stupid "need" for digital tv.
I have LOTS more comments, but they're far too political.Want my help? Ask here! (not via PM!)
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The average viewer (probably upwards of 75%) doesn't care about quality.
Two words: Reality shows.I don't have a bad attitude...
Life has a bad attitude! -
Originally Posted by lordsmurf
Originally Posted by leebo
Damn straight! -
The change to DTV has little to do with increasing the quality of the image except as a byproduct or maybe as some would say "cover story". The reason for all this is to kick TV broadcasters into a narrower range of the UHF spectrum (in urban areas) and get TV broadcasting out of the low VHF band altogether. The spectrum will be better used for wireless services, land mobile and data communications. The gov't can make major $$$ by leasing the use of these frequencies.
The use of VHF for TV is wastefull. Modern transmission technology allows tighter spacing of TV stations in the UHF bands.
The public gets benefit from more channels (up to 5 per current TV station), better pictures in SDTV or HDTV and will also benefit from better spectrum utilization for data communications.
This has been in the works for 10 years and there is no serious opposition. -
Originally Posted by edDV
As for the public benefiting from more channels, how many Fear Factors/Big Brothers do we need before we stop "benefiting"?I don't have a bad attitude...
Life has a bad attitude! -
Originally Posted by edDV
I don't relish spending $100 per tv for HD foolishness. I don't think this shockwave has quite hit the public, but when that day comes, I imagine a huge outcry against it.
More channels is a myth too. Pipe dream. Most markets have plenty of open signal space that goes completely vacant. That's not it either. Again, money.
The cut off date for analog should be at least 10 years after the last analog-only tv set gets sold. That's about the life of a tv set.Want my help? Ask here! (not via PM!)
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Originally Posted by lordsmurf
Originally Posted by edDV
Originally Posted by edDV -
Originally Posted by leebo
HD quality to the home is mosly limited by the displays being used. NAB this year was showing plenty of future displays that look great using ATSC, H.264 and VC-1.
Cable and DBS have to balance the demand by current users who want many channels with the small HDTV base. For HD they can have fewer channels at high quality (which they do now), or compress further for more channels.
The latter is being done by DirecTV and Dish later this year as all HDTV moves to MPeg4 compression. The image quality is still very good. Cable will do the same with either MPeg4, H.264 or Microsoft's VC-1 variations.
Originally Posted by leebo
See http://www.usdtv.com/
These guys use vacant DTV channels to deliver a very affordable program package. Just one of the sevices possible. -
Originally Posted by lordsmurf
You sound just like Ford Prefect sitting in front of the bulldozer that is trying to knock his house down, while missing the larger point that the Vogons are destroying the earth.
It all depends on your viewpoint and perspective.
Do you also think that there should be horse and buggy lanes on all freeways? -
Originally Posted by mbellot
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Originally Posted by edDV
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Originally Posted by edDV
Originally Posted by edDV
But even then, I suggest reading some history books. Trolleys, buggies, horses and horseless carriages (automobiles) shared roads for quite a while, and it wasn't just a couple months or few years.
Originally Posted by edDV
Originally Posted by edDVWant my help? Ask here! (not via PM!)
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Since all this "digital" equipment will be made in Asia,where's the economic impact? Won't create any new jobs at Best Buy,the idiots won't know anymore about gigital TV then they know about analog TV.
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Originally Posted by edDV
The simple fact is that the govenment needed (needs) to have dual tuner mandatory for a minimum of five years for ALL new sets being sold (ie NO analog only sets), and probably 10 years for anything over 27 inches. Not 18 - 24 months for large sets and fokk the guy buying a new 13" TV for the kitchen.
There's your real economic impact. Even if I buy your 80% figure (I don't BTW) for "digital ready" households, I would doubt very seriously that is for every TV in the house.
How many people are going to get very pissed off because they have to shell out $100 for the kitchen, basement or garage TV?
My bet. Plenty. And you'll see the artificial deadline dragged out for years by politicians who can't afford to piss off their consituents. -
Originally Posted by hudsonf
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Originally Posted by lordsmurf
Originally Posted by mbellot
The 80% figure is the percentage of TV sets hooked up to cable or DBS in the USA and yes, the analog tuners will continue to work for the lower analog cable channels for some additional years. The remaining 20% are the urban rabbit ears folk and the rural antenna on the roof folk who haven't yet gone DBS. Both will need to buy a ~$50 or less DTV tuner that will feed analog RF (ch 3 or 4), composite or S-Video analog out. These tuners will receive the full range of SDTV DTV stations and downconverted versions of HDTV channels. -
Originally Posted by wulf109
Would you argue that cell phones, 802.11 WiFi and wireless data links have produced no growth or jobs so far? -
In Australia, very very few of our sets have digital tuners in them, it is all set top boxes. Interestingly enough the take up of digital has been so poor our mob have just extended the switch off for analogue to well into the next decade, switch of was due in 2008.
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Originally Posted by edDV
Originally Posted by edDV
Originally Posted by edDVWant my help? Ask here! (not via PM!)
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Originally Posted by Epicurus8a
lordsmurf: That 80% figure is conservative if anything. These statistics are well documented by the FCC as well as other boards. We had those same numbers 5 years ago too. Nothing suprising at all. The vast majority of people in America get their television broadcasting via cable. -
Originally Posted by lordsmurf
Future tuners will come in two flavors. The tuner I described above is designed to work with conventional analog TV sets will be a dirt cheap K-Mart - Wal-Mart type item.
The "HD Ready" DTV tuner will have all those features plus digital audio, wideband component analog and HDMI outputs in 480i, 480p, 720p and 1080i and will sell for a few bucks more.
Originally Posted by lordsmurf
TV transmitters are so powerful that they swamp the abiltiy of low power frequency neighbors to complete. TV had to go. Many other services will open up in the low VHF (Ch 2-6). FM radio, Aviation and Amateur radio currently occupy the space between Ch 6 and Ch7. The upper VHF band (Ch7-13) will be shared by some DTV stations and other services as allocated locally.
This was a done deal long ago and we just need to live with it.
AS far as DRM issues, you can thank the Congressional lackies that are in the pocket of Hollywood interests. They exist in both parties but are led by the big D California coalition. You can't talk sense to these people. They aren't allowed by their contolling funding interests to even discuss alternatives. They are totally owned by Hollywood.
The only hope is a libertarian court ruling that supports fair use. Early appeals and supreme court rulings look like there is some reason to hope.
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