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HDTV Question (Probably a silly one!)

Discussion in 'Televisions' started by Suave, Dec 11, 2004.

  1. Suave

    Suave
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    Hi Everyone!!

    Like most of you I am very excited at the prospect of getting HDTV here in the UK in the next year or so. This is the reason why I am holding out as long as I can before I buy a decent Plasma/LCD/DLP screen as I want the latest technology available to us at the time. As HDTV has been going on for so long in the USA and Japan, My question is, Here in the UK, will be be getting a basic or watered down version of HDTV? The reason I ask, is that I cannot see SKY changing all of their equipment to the HDTV standard. Secondly, I believe there are now various forms and standards of HDTV, of which I do not know all the forms but can anyone tell me if the what we finally get will not be an inferior out dated version or a watered down version to suit Sky's present equipment and that only serves to maximise its profits? I dont care how much profit Sky make as long as they charge a fair and reasonable price that everyone can realistically afford and as long as we get true high definition. I appreciate that theres no way we are going to get the very latest technology out there as traditionally we never have and never will - but I dont want to be a case of "They have nothing so they will settle for anything they get or what we think is good enough for their market" Thats always how its been after all!

    Suave!
     
  2. JayX

    JayX
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    i don't understand what you mean by a "watered down" version. you either get it, or you don't. the only thing that could be watered down is the bitrate, but as otheres have mentioned.. if HDTV looks crap, people won't buy it (whereas people didn't have much of a choice from analogue > digital)

    and no, sky won't be changing all the equipment, its a specialist area. in the same when when sky+ came out, they didn't force it upon everyone, and there'll likely be only a few HDTV channels anyway, there's no point scaling SDTV to HDTV, its only things that were purposely filmed to be viewed at a higher res that'll be braodcast in HDTV.

    so pretty much.. we'll have HDTV the same as in the states (to the same resolution as well for a change, altho we had the better of the two before mind :p) just in a different hz rate due to the usual reasons. its all very exciting :D
     
  3. Stephen Neal

    Stephen Neal
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    Sky currently use standard definition gear for transmission - and in the case of Sky Sports and Sky One studio shows production. They buy in the rest of their shows, and also buy in facilities for covering footy matches etc.

    When they go HD they will simply upgrade their transmission and some production gear to HD, and re-negotiate their external facilities contracts (for OB coverage of footy for example) to spec HD kit.

    They can't use their existing SD kit to provide a "watered down" HD service - it simply won't work.

    Most broadcasters who are re-equipping or commissioning new facilities for non-local news production in the UK are either moving to HD, or considering it, or buying kit that can be upgraded to full HD production.

    (For instance it is possible to use HD lenses on SD cameras, so it makes sense to consider buying them - though they cost more - if you are replacing lenses. It is possible to use HD cameras in SD mode - so it makes sense to consider them if you are replacing cameras in a facility. The same is true of vision mixers, routers etc. About the only HD only kit seems to be VTRs at the moment - most other stuff will work at HD and SD)
     
  4. thegeby

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    Just make sure your new screen can accept external feeds through a digital connection, that is DVI or HDMI. AFAIK, Sky follows the DVB standard, but with a different encryption concept w/o a Common Access Module. The DVB consortium has adopted H.264 (also known as MPEG4-10) as obligatory for DVB HDTV receivers, together with the present MPEG-2. They also added HE-AAC as sound codec.

    Leaving acronym mania aside it means that we probably do not have any equipment in production that can do all that today, but they will arrive on the market within a year or two. As for your screen, if it can manage the HDTV resolutions and if you got the digital inputs, it can survive all these changes. There is one acronym left, HDCP, which is a copy protection system used in the US to prevent perfect digital copies. I do not know what the status of that in Europe.
     
  5. JayX

    JayX
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    indeed, the whole HDCP thing is a complete waste of time, and we're the ones who'll be footing the bill for its implementation. my crt is component in HDTV only, so if i want sky in HD i'll have to upgrade set.. considering its brand new, thats not going to happen.

    because sky broadcasts SO much ultra new stuff people will want to rip them off left right and centre.. oh wait, no. by the time sky has broadcasted something, its either not worth copying or its been out on the net for months. sigh.
     

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