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HR20 vs HR 21, HR 22, HR23 and HR24-whats the diff? what to do?

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by disneyfun1, Jul 28, 2012.

  1. Davenlr

    Davenlr Geek til I die

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    No, its the HR24-500 that has RGB colorspace. All the rest have YCrCb. RGB colorspace isnt to be confused with the analog RGB outputs.

    Y′CbCr is not an absolute color space; rather, it is a way of encoding RGB information. The actual color displayed depends on the actual RGB primaries used to display the signal. Therefore a value expressed as Y′CbCr is predictable only if standard RGB primary chromaticities are used.

    An RGB color space is any additive color space based on the RGB color model. A particular RGB color space is defined by the three chromaticities of the red, green, and blue additive primaries, and can produce any chromaticity that is the triangle defined by those primary colors.

    They both produce the same results, but I believe the RGB colorspace in digital has a black level higher than 0, so YCrCb might be able to produce a few more colors? Not sure on that. Most of my higher end video equipment uses YCrCb, but the cheaper stuff (FTA satellite receiver for example) also uses RGB. My video processor converts it all to YCrCb before sending it to the monitor.

    As for the video cards, there are two signals present, DVId and DVIa on the same connector. One is analog, one digital. If you had a straight DVI-D video card, the DVI to RGB adapters would not work on them.
     
  2. Diana C

    Diana C Hall Of Fame DBSTalk Club

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    To put it more simply, in digital video, each reproducable color has a unique numerical value (size being determined by sampling depth, usually 24 or 32 bits). The difference between RGB and YCrCb is that slightly different colors are assigned to a given value. Hence, to insure most accurate reproduction, a display needs a different calibration for RGB than for YCrCb.
     
  3. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    Most noticeable is/are the black levels.
     
  4. SomeRandomIdiot

    SomeRandomIdiot Godfather

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    That is PC v Video (232 v 255) determining what number = 0 and what number = 100.

    Still makes ZERO sense that the newer HR24 would have the older RGB output. I am going to borrow my neighbor's this weekend and test the output.
     
  5. veryoldschool

    veryoldschool Lifetime Achiever Staff Member Super Moderator DBSTalk Club

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    It's only the HR24-500
     
  6. jimmie57

    jimmie57 Hall Of Fame

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    I like this link for comparing the DVR models.
    http://hr20.dbstalk.com/docs/DVR FAQ.pdf
     
  7. Rich

    Rich DBSTalk Club DBSTalk Club

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    Perhaps we can make this simpler: The 20-700 was/is a fine DVR. The 21 series, including the 22s and the 23s are not nearly as good or reliable or quick as the 20-700 has become. But the 20-700s are old and they're starting to fail. My opinion is that D* should have refined the 20-700s and not introduced the 21 series at all. Just my opinion, but it's based on my experiences with the 21 series.

    Now we have the 24s, and they are really good, but will they stand up over time as well as the 20-700s have? Nobody knows. If D* had stuck with the 20-700 and kept refining it, then introduced the 24s, that would have been better than making us cope with the dreadfully slow, undependable 21 series. I think the 21-700 was far and away the best of the 21 series and I turned all my 21-700s in in favor of 20-700s that I bought on eBay. Now I'm doing the same thing, swapping my 20-700s for 24s.

    Clearer?

    Rich
     
  8. Volare

    Volare New Member

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    So I've had my current HR21-700 for about 3 years and suffering with perpetual nearly full hard drive. I called DTV to see about getting a new model with hopefully more HD capacity. They sent me a refurb HR21-100. It was free but required me to sign a new 24 month contract- that doesn't occur until I active the new box. So I guess I'm sending it back. I guess I have to continue to play this game until they send a HR22-23-24?
     
  9. CCarncross

    CCarncross Hall Of Fame

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    If you have been suffering from full disk syndrome for that long do you really think that going to a 500GB hard drive is really going to fix anything? I wouldnt suggest anything less than 1TB.....I highly suggest using your own external setup.
     
  10. jimmie57

    jimmie57 Hall Of Fame

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    I hope you are aware that the recordings can not be transferred to the replacement receiver.
    To keep those, you have to add an external drive as expressed by the previous posters. This gets you more storage space and keeps the existing recordings on the internal hard drive. When you remove the external drive you can watch the ones you have recorded already.

    I have read several times that filling up the drive slows the DVR down quite a bit. It sounds reasonable. I know that on my PC my pictures folder take a long time to fully load all my pictures and other folders load instantly.
     
  11. Volare

    Volare New Member

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    I had a 1 Tb external that worked for about 9 months, until the DTV receiver decided that there was an error in the disk and refused to work with it any longer. Lost a lot of shows and ~ $150 in that exchange. BTW, this external now functions perfectly as a backup for my laptop with no errors of any type noted on multiple diagnostics. I don't see any point in adding another external given the fickle nature of DTV's diagnostics. But I can see value in a free upgrade from 300 to 500 mb, if I can get one of the above listed receivers.

    I am aware that the existing shows on one receiver cannot be transferred. I timed my upgrade to happen before the fall TV schedule gets into full swing as right now the items filling my receiver can be replaced easily enough.
     
  12. Rich

    Rich DBSTalk Club DBSTalk Club

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    Don't expect any difference with the 22s or the 23. Go for the 24s. Sooner or later, they'll send you one.

    Rich
     
  13. Rich

    Rich DBSTalk Club DBSTalk Club

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    If you were using an "all-in-one" eSATA, the HDD probably wasn't bad and could have been recovered and used in one of the external devices we recommend. In any case, the external devices are the weakest links in the chain and should always be checked first.

    This is the time to get a 2TB drive, put it in a Thermaltake docking station and you'll have plenty of room. Other folks on the forum use enclosures, but I only use the TT docks. Either choice will work.

    Rich
     
  14. Racer88

    Racer88 Icon

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    In a nutshell. HR20 good, HR24 better, all the rest are problematic junk(especially 21's)
     
  15. RunnerFL

    RunnerFL Well-Known Member

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    No problems with any of the 21's I have here. The "junk" ones are the 23's.
     

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