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hard drive size

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by JustinBrown, Sep 2, 2007.

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  1. Sep 6, 2007 #81 of 113
    pdawg17

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    Between Seagate and WD, which tends to be a quieter internal drive?
     
  2. Sep 6, 2007 #82 of 113
    P Smith

    P Smith Mr. FixAnything

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    Use that one what support AAM and setup it as "quiet".
     
  3. Sep 6, 2007 #83 of 113
    rtravis

    rtravis New Member

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    Either the Seagate DB35 or Western Digital drives with the part number ending in JB ( such as WD2500AAJB ) are designed for DVR's. Hope this answers your question.
     
  4. Sep 6, 2007 #84 of 113
    P Smith

    P Smith Mr. FixAnything

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    Sure ? I saw SATA WD 320/500 GB AAJS and AAKS in D* and E* DVRs.
     
  5. Sep 6, 2007 #85 of 113
    Andrew67

    Andrew67 Cool Member

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    It's probably more correct to say that drives ending in JB are marketed for DVR's.
     
  6. Sep 6, 2007 #86 of 113
    maldini

    maldini Cool Member

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    Quick Questions:

    1) Are the external drives plug and play or do I have to perform any sw hacking to get the system to use the external drive instead of the internal drive?

    2) Does the external drive have to be pre-formatted with SW?


    I am hoping its as simple as powering down the unit, plugging in the external drive and the rebooting the system and reentering season passes and favorites and be done with it but that may be too hopeful..
     
  7. Sep 6, 2007 #87 of 113
    veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    Your hopes are right.
     
  8. Sep 6, 2007 #88 of 113
    houskamp

    houskamp New Member

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    Exactly
     
  9. Sep 6, 2007 #89 of 113
    Rich

    Rich DBSTalk Club DBSTalk Club

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    One more question about the compession issue. Am I correct in assuming that MPEG4 is more compressed than MPEG2?
     
  10. Sep 6, 2007 #90 of 113
    Jeremy W

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    In the context of DirecTV, it is safe to assume that an MPEG4 channel will be broadcast at a lower bitrate than an MPEG2 channel. So yes, it would be "more compressed."
     
  11. Sep 6, 2007 #91 of 113
    Rich

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    OK, so what's next? MPEG6 or is it exponential? What has the "bitrate" to do with compression? And PQ?
     
  12. Sep 6, 2007 #92 of 113
    Jeremy W

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    MPEG5 is next in the numbering sequence, but it doesn't exist yet. The reason it goes from MPEG2 to MPEG4 is because MPEG3 was abandoned.
    The higher the bitrate, the less compression is applied to the video, and the higher the PQ. The bitrate is the amount of data sent down for the channel in a given amount of time, usually measured in megabits per second (Mbps).
     
  13. Sep 6, 2007 #93 of 113
    awalt

    awalt Legend

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    Sorry for the dumb question, what are season passes? Is that the season-long recording of a series?
     
  14. Sep 6, 2007 #94 of 113
    Michael D'Angelo

    Michael D'Angelo Lifetime Achiever

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    Yes season passes are when you record the series of a show.

    Season passes are actually TiVo.

    Series links are the HR20 and R15.
     
  15. Sep 6, 2007 #95 of 113
    thekochs

    thekochs DirecTV 10yr+ Customer

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    You know, in theory MPEG-4 not only offers better compression but better quality than MPEG-2....win/win. It has more precsion in dealing with intra-frame artifacts and other items...however, this is all dependent on how the encoders are setup to capture the source. I can't say for sure but since bandwidth is the name of the game it has been told to me the use of MPEG-4 is for the better compression primarily by the MSOs.
     
  16. Sep 6, 2007 #96 of 113
    Jeremy W

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    Not just in theory, it's a fact. At the same bitrate, MPEG-4 will win every time. A lower bitrate MPEG-4 feed can even look better than a higher bitrate MPEG-2 feed.
     
  17. Sep 6, 2007 #97 of 113
    thekochs

    thekochs DirecTV 10yr+ Customer

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    Agreed....the theory was it depends on how they have the bit rate and also one of the other advantages MPEG-4 supports in coding of video objects with spatial and temporal scalability. MPEG-2 as you mentioned is more bit rate scalable, MPEG-4 lets them play/tweek at another level. I'm sure D* has worked out for them the best combo of bandwidth and improved quality over cable but my only point was that in trying to understand how much you can store on any given HDD size you would have to know alot about how D* and the MSOs are setting up the encoders.....with MPEG-4 there is many more variables to guess at. At the end of the day....I'm happy with the quality. :D

    Anyway, HDDs are getting cheap.
     
  18. Sep 6, 2007 #98 of 113
    Jeremy W

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    Not really. The only thing that matters is the bitrate that the encoder is pumping out. All of the other options make no difference in the storage space.
     
  19. Sep 6, 2007 #99 of 113
    pdawg17

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    I'm looking for quiet 750gb internal drive options for the HR-20 but can't find anything like this at newegg...is there no such thing yet at this capacity?
     
  20. Sep 7, 2007 #100 of 113
    awalt

    awalt Legend

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    I guess it depends on your room, where you house them, etc., but I have bought two of the Seagate Free Agent 750 GB drives at NewEgg:
    http://www.newegg.com/Product/Product.asp?Item=N82E16822148255

    with this cable:
    http://www.newegg.com/Product/Product.asp?Item=N82E16812191017

    and they seem very quiet to me - I have no complaints at all!
     
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