DirecTV 4K UHD plans

Discussion in 'DIRECTV General Discussion' started by SomeRandomIdiot, Jun 15, 2014.

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  1. Steve

    Steve Well-Known Member

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    It's not a Panny thing, Rich. Got that by firing up the YouTube app, per Drew's tip. Once the YouTube app is on-screen, you navigate downtown to YouTube settings, then all the way over to the right to select info. It's poorly implemented, IMHO, because You can't watch the video when it's enabled, since it blocks the screen.
     
  2. Rich

    Rich DBSTalk Club DBSTalk Club

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    I've tried that. Did nothing. Glad to see some makers have the good sense to put info where you can easily access it.

    Rich
     
  3. Rich

    Rich DBSTalk Club DBSTalk Club

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    My YouTube app on the TV is disabled.

    Rich
     
  4. Oli74

    Oli74 Member

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  5. KyL416

    KyL416 Hall Of Fame

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  6. Diana C

    Diana C Hall Of Fame DBSTalk Club

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    Swanni even cited DBSTalk as a source.
     
  7. Rich

    Rich DBSTalk Club DBSTalk Club

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    He does that on occasion. I get his newsletter. When D* wants to get news in the pipeline...

    Rich
     
  8. Oli74

    Oli74 Member

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    Am I alone doing this?
    Each time theirs a storm I switch from HD to SD in the Display>Setting show all channels and I can that channel in SD because the HD channel is not working due to the weather. Now I wonder when 4K comes around and there's a storm would in work in HD?


    Sent from my iPhone using Tapatalk
     
  9. jimmie57

    jimmie57 Hall Of Fame

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    NO, probably not and it is just a guess but I would expect 4k to go out quicker than HD does now.
     
  10. inkahauts

    inkahauts Well-Known Member

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    How fast it goes out is entirely dependent on what freq they are using to beam it down from the sky and such and not what quality the picture rez is... If they put 4k on 101, then it'd go out after hd.. but where they will be putting it, I am not positive. I imagine it will be about the same time as HD is now...
     
  11. slice1900

    slice1900 Well-Known Member

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    It isn't just the frequency but what modulation and error correction they use reach a desired bit rate. The more bits you try to squeeze into each MHz, the less your signal margin and the less rain it will take to induce fade. Directv's 4K will use RDBS, which is more similar in frequency to the Ka frequency their HD uses than the Ku their SD uses, so it will fade more similarly to HD assuming they try to obtain a similar bit rate from it.

    Directv's HD should improve in a few years when they finally discontinue MPEG2 SD and can use 101 for HD. Yeah theoretically when it is freed up they could use it for 4K, but I think there's little chance they will use that prime real estate for a minority of customers watching 4K rather than HD that 100% of their customers will watch.
     
  12. slice1900

    slice1900 Well-Known Member

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    That only works in places with relatively weak storms. Where you have stronger storms it doesn't matter, HD fades and SD follows quickly thereafter, so there would be no point in switching channels.

    The resolution of the picture has nothing to do with how it reacts to rain, the satellite is sending down digital data and doesn't care whether it is SD, HD, 4K or your mother's meatloaf recipe. It is all about the frequency used and how much information you're trying to squeeze into a given amount of spectrum. Since 4K and HD will have similar frequencies and therefore likely similar fade characteristics what you suggest will not work, you'd have to switch to SD. Once SD goes away, then you might be able to switch to HD, since I think it is very likely HD will use the same Ku transponders SD uses today that are more resistant to rain fade.
     
  13. inkahauts

    inkahauts Well-Known Member

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    Yep!

    I wish I had rain fade problems right now, our drought is really bad
     
  14. exorr

    exorr Mentor

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    DirecTV has constantly been the leader in providing there customers access to the best picture/services you can get. I had Time Warner for awhile and it paled in comparison to DirecTV. The hardware, picture quality, sports packages, everything was just so much worse. I'm curious if you even have DirecTV or if you do, have you used another service and seen the difference? Should they be charging for HD? I'm not sure on that, but to say they have lost their vision seems ludicrous to me. They are the first and only cable provider to currently offer 4k content of any kind. If you feel 4k is a fad, I ask you to watch 4k again. 4k is the future, not a fad. In terms of 3D, yes I see that as a fad also, but everyone was jumping on the bandwagon, not just DirecTV. So kind of silly to say that's a good example of losing their vision.
     
  15. patmurphey

    patmurphey Godfather

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    On Dish, the Hopper auto-switches to SD if rain blocks the HD signal and switches back when HD returns. You would be surprised to see how effective that is in all but the heaviest storms. It works well even where HD and SD are on the same satellite.
     
  16. slice1900

    slice1900 Well-Known Member

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    It worked because even though they are using Ku for both HD and SD, they were squeezing a lot more bits out of their HD transponders.

    However, Dish has switched to the same 8PSK turbo encoding for their MPEG2 SD transponders that they are using for their HD transponders, so this strategy will no longer work (or soon won't, if they haven't fully transitioned yet) They might as well remove that feature from the receivers now, it is useless.

    Assuming both dishes were peaked optimally, Directv's SD should be noticeably more resistant to rain fade than Dish's SD once they've converted those to 8PSK turbo. Not that anyone cares, since Directv's SD quality sucks because they're trying to cram too many channels into too few bits. Once they drop MPEG2 SD people will care, because all the HD channels Directv moves to 101 will be significantly more resistant to rain fade than Dish.
     
  17. James Long

    James Long Ready for Uplink! Staff Member Super Moderator

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    DISH has QPSK and 8PSK with QPSK Turbo on one satellite (77). They do not have "8PSK Turbo".
    Eastern Arc subscribers (which is the experience patmurphey is referring to) have MPEG4 SD on 8PSK transponder (and have had that pairing for several years). Western Arc subscribers still have MPEG2 on QPSK. The encoding has not yet changed. MPEG2 SD on Western Arc is not scheduled to be replaced.
     
  18. slice1900

    slice1900 Well-Known Member

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    I guess I'm unclear what Dish considers "turbo" to be since it isn't part of any DVB standard, so we'll ignore that. My point was that their 8PSK transponders are all running at 21.5 Ms/s which is a non-standard roll off factor. Doing that allows them to increase the data rate and fit more channels, but the trade off is a reduction in signal margin and an attendant increase in susceptibility to rain fade (though being Ku, should still be somewhat less than Directv's HD susceptibility due to their use of Ka)

    If patmurphey is getting MPEG4 SD as well as MPEG4 HD and both are on 8PSK transponders using identical FEC, they'll fade at exactly the same time since they'll have identical signal margins. I don't see how the receiver switching to SD can possibly be of any benefit.
     
  19. HoTat2

    HoTat2 Hall Of Fame

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    Of course a feature of the DVB-S2 standard is the ability to change modulation levels and FEC on a packet by packet basis within the same transport stream.

    So could it be that Dish has both 8-PSK at a certain FEC for HD and QPSK at a certain FEC for the SD duplicate, packet streams multiplexed together on the same xpndr for the EA?


    Sent from my SGH-M819N using Tapatalk
     
  20. James Long

    James Long Ready for Uplink! Staff Member Super Moderator

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    There are few SD channels sharing transponders with HD channels. The channels are mostly segregated.
     

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