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How many HD streams can I pull?

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by jcormier, Jan 20, 2011.

  1. jcormier

    jcormier New Member

    Jan 20, 2011
    I was wondering if there is a limit to the number of HD streams that can be simultaneously utilized with DTV?

    I currently have two HD DVRs (family room and master bdrm) and two SD DVRS (children's rooms) and I am contemplating replacing the SD DVRs with HD DVRs.

    The two HD DVRs are already connected via Whole House DVR and I would probably do the same with the additional HD DVRS.

    My reasoning for not purchasing HD receivers instead of the HD DVRs is because of the potential scheduling conflicts when my children are connected to the whole house DVR system.

    Thank you.
  2. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

    Dec 9, 2006
    With DECA networking you shouldn't have any problems.
    With 4 DVRs you'll only get 4 streams, plus any On demand.
  3. Stuart Sweet

    Stuart Sweet The Shadow Knows!

    Jun 18, 2006
    Oh, and :welcome_s to DBSTalk!
  4. jcormier

    jcormier New Member

    Jan 20, 2011
    Thanks for the response and the welcome.

    You stated "...with 4 DVRs I would get 4 streams...", does this mean if two of the DVRs were each recording two shows (totaling 4 HD streams), the other DVRs would not be able to access (record or watch) other HD programing?

    Would they be able to access previously recorded material on any of the networked DVRs?
  5. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

    Dec 9, 2006
    You can have all DVRs recording two shows each, and still be able to watch other recordings from them, so the streaming has no effect of the recording.
    Each DVR can only stream one show though [4 DVRs = 4 streams].
  6. jcormier

    jcormier New Member

    Jan 20, 2011
    OK. I am trying to compare the feature set of DTV and U-Verse and I understand that there is a limit as to how many HD streams you can pull off of the wire when using U-Verse.

    So based on this thread, there does not seemed to be a limitation to how many HD streams I can access. As long as the individual hardware limitation is not exceeded (two per device), we should be good.
  7. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

    Dec 9, 2006
    U-Verse is limited by the cable coming in, where DirecTV isn't. ;)
  8. ShawnL25

    ShawnL25 Icon

    Mar 2, 2007
    4 hd dvr'S = (8) hd channels recording at once and the ability to watch 4 other programs from your list at the same time.

    5 HD DVR's = (10) hd channels being recorded at the same time.

    With Uverse it's one DVR 2-4 HD channels availible for the whole house.
  9. dsw2112

    dsw2112 Always Searching

    Jun 12, 2009
    If you're talking about U-verse you're talking about the "streams" coming in. In this case U-verse is limited to 2 (sometimes 3); D* has no limit. You could have 20 HDDVR's if you wanted and all could record on both tuners in HD (or 40 "streams" in U-verse speak :lol:)
  10. dsw2112

    dsw2112 Always Searching

    Jun 12, 2009
    Correct, but the "two per device" will be increasing with future equipment.
  11. harsh

    harsh Beware the Attack Basset

    Jun 14, 2003
    Salem, OR
    U-Verse and DIRECTV are using entirely different technologies and should not be compared as if they were the same. U-Verse uses IPTV and DIRECTV uses a combination of technologies.
    There is a decided limitation but it comes into play in an entirely different manner than you're used to.

    Whole Home DVR Service works via something like IPTV while DIRECTV's satellite service works more like old-fashioned satellite service with stacked bands of radio frequencies and tuners. On the WHDS via DECA side, there is a practical limit on how many sessions it will support (I'm guessing four or five for the entire household). On the satellite side, there is a limit on how many satellite tuners are supported (typically 8).

    Satellite tuners and WHDS via DECA are entirely separate systems that can coexist on the same cable. If the limitations of DECA are too constricting (probably not a problem in your installation), you can turn to using a conventional switched Ethernet LAN.
  12. mobandit

    mobandit Hall Of Fame

    Sep 4, 2007
    There is no "practical" limit on how many satellite tuners can be supported..."typically 8" is not the correct answer.

    Each HD-DVR can provide a "stream" to another device...DVR, HD Receiver, etc...if you have 10 HD DVR's in your house you could record 20 shows, and have each DVR providing an HD "stream" to another device...
  13. lugnutathome

    lugnutathome Hall Of Fame

    Apr 13, 2009
    Woodburn, OR
    Forgive me for intruding here. But a SWM16 is contained to 16 tuners for the DECA network a more typical home install uses the SWM8 on the dish so the answer "typically 8" is probably accurate for large sampling of the WHDVR subscribers.

    When designing the DECA element to the SWM environment I seriously doubt it was engineered to handle that idea that ALL devices would be DVRs streaming concurrently.

    Now I do not know this for fact but the fact they capped the DECA module at a 16 tuner environment, leaves out some of us "more bloated subscribers" :grin:, it's rational to assume they designed the DECA traffic handling to a marketing demographic which would be something akin to 4 or 5 concurrent MRV streams and not 8 DVRs all cross streaming.

    Again I do not know this for fact but its a more than reasonable assumption given how corporate entities work and that some of us larger infrastructures fall outside DTV's residential support model.

    In parlance to the OP's question now:

    I believe in his context of the word "stream" each DVR will support up to 4.
    2 Inbound tuners, 1 server output stream via DECA or Ethernet, and one client session either viewing a remote DVR's recorded content OR viewing one of it's own recorded programs.

    During early MRV testing I had DVRs recording 2 programs, serving an MRV stream, while watching a program stored on it's own disk, or using it as a remote client on another DVR's recorded programming. Haven't tried that recently though. Should still work like that.

    Again forgive me if I'm being condescending here but I'm pretty confident one could max out a SWM16 using 8 DVRS all serving to each others clients concurrently.

    Don "love to be proven wrong though;)" Bolton

  14. carl6

    carl6 Moderator Staff Member DBSTalk Club

    Nov 15, 2005
    Seattle, WA
    Define "Stream". If you are talking about the DVR receiving and recording an HD channel, then each DVR can simultaneously receive and record two channels/programs. Or, you can record one while watching a different one live.

    If you are talking about the DVR in a whole-home environment streaming a recording to another DVR or receiver, then it is only capable of sending one outgoing stream at any given time (regardless of what it is doing on the watching/recording side of the house).

    So, one DirecTV DVR can:
    1. Receive and record two shows simultaneously, and
    2. Stream a recording to another DVR or receiver in a whole-home environment,
    all at the same time.
  15. BattleZone

    BattleZone Hall Of Fame

    Nov 13, 2007
    Uverse has a limit of 4 simultaneous streams, which includes any combo of watching live, recording, or playing back, across the entire system. This is a significant limitation.

    DirecTV has no practical limit on the number of tuners you can install to view live and/or to record. There *is* a limit to how many receivers can be part of a DECA pool, but that's FAR over the limit of Uverse (I believe 8 DVRs, each of which have 2 sat tuners).
  16. Mike Bertelson

    Mike Bertelson 6EQUJ5 WOW! Staff Member Super Moderator DBSTalk Club

    Jan 24, 2007
    It boils down to each DVR can record two and output two for a total of four. This makes the real limitation the number of receivers you can have. IIRC, the limitation is a max of thirty-two tuners of a single dish (I could be way off on that).

    Additionally, the number of tuners simultaneously recording has zero impact on the number of streams that can be watched. IOW, if a DVR is recording two things, I can still watch something previously recorded, AND someone in another room with a receiver can watch a different recording.

    So, in theory, with five DVRs, five stand alone receivers, and ten TVs, you can record ten different shows; while watching another ten previously recorded shows for a total of twenty, all at the same time, and all off of one dish....so if you have 22 TVs, 10 DVRs, and 12 stand alone receivers, you could be watching/recording 42 different HD programs. :grin:

  17. hasan

    hasan Well-Known Member

    Sep 22, 2006
    Ogden, IA
    My head spins at the very thought of it, but Rich584 might even try it.:)
  18. barryb

    barryb New Member

    Aug 26, 2007

    You can take any DVR out of the whole-home set up in that DVRs menu.
  19. Rich

    Rich DBSTalk Club DBSTalk Club

    Feb 22, 2007
    Piscataway, NJ
    I've got twelve HRs on my DECA system.

  20. jcormier

    jcormier New Member

    Jan 20, 2011
    Thanks all for the responses.

    Now that I know that the system could support 4 HD DVRs are recording away at the same time, how do I talk my wife into allowing me to proceed? This is obviously a question for a completely different forum.

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