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Digital TV In Australia

Discussion in 'Hobby Electronics' started by John, Jan 11, 2006.

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  1. John

    John Guest

    Supposedly in 2008 we will lose the normal analogue 'free to air'
    TV channels. They are then going to leave us with full digital TV
    and that's about it.

    One thought does arise from this and this may sound, and probably
    even IS far fetched but could the use of Digital signals lead to direct
    manipulation of content?

    ie: editing of news items on the fly if they are of a sensitive nature....
  2. Lord-Data

    Lord-Data Guest

    Digital broadcast .. nothing else .. you do realise that for the large part
    the signal you recieve by analogue TV is mostly delivered digitally anyway
  3. jg

    jg Guest

    If that means we have to pay I won't care what's on. It'l be just like the
    50's sitting round the radio and maybe we will be paying a lot less for the
    advertising component of things we buy.
  4. Digital TV is still "Free-to-Air"
    Doesn't cost a cent apart from the initial set-top box which can be had
    for well under $100.
    Digital has lots of advantages over analog, and it is available now.
    Yes, there are some shortcomings too, but they are relatively minor.

    Dave :)
  5. Phil Allison

    Phil Allison Guest

    "David L. Jones"

    ** I still cannot find any true "digital antennas" on sale in Sydney.

    That is, one that covers channels 6 - 12 VHF and 28 - 69 UHF - eg Hills
    have them in their trade only catalogue.

    All the shops and antenna installers want to sell you a full VHF/UHF job.

    Big and UGLY !

    ......... Phil
  6. What do you mean "that's about it"?
    Digital TV:
    1) is still free-to-air
    2) still has the same channels and content
    3) has better picture and sound quality
    4) supports wide-screen and multi-channels
    They can already do that with "analog" TV. Most content these days
    would already be digitally edited before it's sent.

    Dave :)
  7. Kill Phil

    Kill Phil Guest

    You want ---------------------->
  8. Andy Wood

    Andy Wood Guest

    May not be better when there is the slightest thunderstorm in the

    Andy Wood
  9. jg

    jg Guest

    Ah, OK. Geez I'm losing track, but you get so sick of ra ra advertising for
    broadband etc & none of it goes into much detail.
  10. Phil Allison

    Phil Allison Guest

    "Andy Wood"

    ** No effect on my pic here in Sydney duign recent lightning.

    In any case -the worst that happens is a brief freeze motion.

    ........... Phil
  11. Kill Phil

    Kill Phil Guest

  12. pedro

    pedro Guest

    Phil Allison wrote:

    That usually indicates a weak signal, or a crappy (or faulty) STB.

  13. ROFL
  14. That is one of the (potential) minor problems I noted in another post.
    Depends on the STB, signal strength and the installation though.
    Worse case, as Phil said is you get a momentrary freeze frame and
    sometimes an audio "pop" with it, not a big deal really for those it
    happens too.
    The benefits of digital far outweight the minor problems IMHO.

    Dave :)
  15. Kill Phil

    Kill Phil Guest

    Are you trying to cause trouble?
  16. Phil Allison

    Phil Allison Guest


    ** WRONG.

    Lightning is a very powerful source of interference.

    ** Wrong again.

    Freeze framing is JUST what STBs are designed to do if the signal is

    ......... Phil
  17. Ken Taylor

    Ken Taylor Guest

    Actually, 'weak signal', or more accurately, low signal-to-noise, results in
    a bit stream which has errors. This can be dealt with in a number of ways by
    the STB, and the most customer-friendly is just to freeze the output until
    the errors go away (or at least return to a level that can be dealt with by
    the ECC).

  18. pedro

    pedro Guest

    Phil Allison wrote:

    Arr. **** off. I said usually numb nuts. It's usually the case when
    there's a freeze frame that the signal is weak.

    And so the digital signal is weak or corrupted, hence the freeze frame.
    Right. When there's a weak signal as I said (or an interrupted signal)
    or if the box is crappy and gets it's knickers in a knot, or is faulty-
    like I said.
  19. pedro

    pedro Guest

    Ken Taylor wrote:

    That's right. And sometimes the STB will do it even with a good signal,
    as Panasonic is noted for.

  20. Rhapsody

    Rhapsody Guest

    Pliz not to endink ov tha sentanse wid an PREPOSITION.
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