JVC HM-DH30000U D-VHS Deck

Discussion in 'Amateur Video Production' started by BrianEWilliams, Jul 10, 2003.

  1. http://www.buy.com/retail/product.asp?sku=90114565&loc=17692

    I have seen the D-VHS format around for a couple of years, but I just
    noticed that it can record 24 hours on a VHS tape. That sounds pretty
    cool, but not sure what I'd use it for. They have special tapes for
    sale at $10 a pop, but I wonder if you could just use an ordinary VHS
    tape. Anyone have experience with this deck? What kind of quality
    can you expect from the super long play format? If it is decent
    quality, it would a cheap way of semi-archiving lots of camcorder
    tapes, or for use in tape-logging. Does the picture stay clear
    through fast forwarding?

    Doing a couple of Google searches before posting, I see some comments
    that there have been quality issues with this deck, and a new one is
    coming out soon.
     
    BrianEWilliams, Jul 10, 2003
    #1
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  2. BrianEWilliams

    Dan Maas Guest

    I have one of these decks. It is great for recording HDTV material,
    but I wouldn't consider it an ideal deck for regular VHS/S-VHS use.
    (for one thing, the tape transport is annoyingly slow).

    D-VHS's best feature is that it records SD and HD MPEG-2 streams
    directly, with no re-compression. I use it for previewing HDTV
    animations. Most buyers use it for recording HDTV (which usually
    requires a "modded" HD receiver to get the FireWire output). But I
    wouldn't rely on it for much else.

    I'm 99% sure D-VHS is going to have a short life, as a consumer
    format. I can't see very many people buying such a specialized,
    non-optical format, especially since very little content is available.
    It looks like HD DVD over DVI is going to be the future of consumer
    HDTV (as opposed to D-VHS over FireWire). So beware that you may not
    be able to buy replacement decks, parts, or tapes in the future.

    Regards,
    Dan
     
    Dan Maas, Jul 10, 2003
    #2
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  3. BrianEWilliams

    John Hirst Guest

    The original D-Vhs deck by JVC was the HM-DR10000EK (In Europe) and recorded
    for 21 hrs at 4.7Mb/s (as good as DVD) or 7 hrs at 14.1Mb/s (much better
    than DVD which peaks at 10Mb/s at the very best)
    I have used them for a few years now, and would NEVER go back to SVHS.
    Picture quality is superb;it is no different from the source.
    Only problem is the pause when fast picture searching, but you get used to
    it.
    Unfortunately they are no longer produced in Europe and exist only in the US
    and Japan in the newer models that can record Hi Def (at a higher speed)
    Regards.
     
    John Hirst, Jul 11, 2003
    #3
  4. BrianEWilliams

    John Dyson Guest

    The biggest PQ problem with the HM30000 is that the 3D comb and MPEG
    encoder (for external composite sources) has too much time and
    motion smearing artifacts.

    John
     
    John Dyson, Jul 12, 2003
    #4
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