Video Asylum

• DVI and HDCP - Joe Murphy Jr 19:34:25 06/20/03 (4)
  In Reply to: can anyone here help me with this? posted by jk@home on June 20, 2003 at 07:22:27:

  HDCP doesn't have anything to do with distance. It's purely copy protection crap... uh, I mean digital rights management (of sorts).

  As for the DVI question on length, the most I've seen advertised for a DIGITAL connection is 5 meters (around 16ft). To go farther, I think you have to get an adapter which connects to an optical cable which connects to another adapter at the other end (what a stretch!).

  I have seen ANALOG DVI cables advertised that go beyond this, but I don't know if that's what you want. Here's a link to a seller of DVI cables (type "dvi" in search fuction). Maybe they can help you out. Also, avsforum.com is a good source for information.

  
  

  • http://www.pacificcable.com

  
  

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  • Re: DVI and HDCP - uncbings 11:20:32 07/10/03 (0)
    In Reply to: DVI and HDCP posted by Joe Murphy Jr on June 20, 2003 at 19:34:25:

    www.dvigear.com also has long length cables that I've had great success with. You can go copper up to 15M or fiber up to 300M.
    
    

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  • Re: DVI and HDCP - jk@home 19:47:15 06/20/03 (2)
    In Reply to: DVI and HDCP posted by Joe Murphy Jr on June 20, 2003 at 19:34:25:

    Thanks, see my link below, don't know if that will work or not,

    Basically I am trying to determine if there is an advantage in buying a Hi-Def Monitor with the included DVI connection, or save a little bit of cash getting one that omits the DVI.

    The way I understand the principle (other than the copyright protection issue) is that a Hi-Def digital signal from a Direct HDTV receiver will go straight to the TV before being converted.(an advantage?)

    But I'm new to all this Hi-Def stuff goes, so bear with me!
    
    
    

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    • Get the DVI version. - Joe Murphy Jr 20:16:05 06/20/03 (1)
      In Reply to: Re: DVI and HDCP posted by jk@home on June 20, 2003 at 19:47:15:

      You're correct, the digital signal stays digital up to the conversion in the HDTV.

      As long as your new HDTV supports HDCP, you'll be OK. If it doesn't support HDCP (warning: don't get it!), I believe the only DVI-capable connections will be the Bravo D1 DVD player and some computers.

      I believe the rule regarding HDCP is this:
      If source (DVD player, sat box, etc) has HDCP, receiving devices (scaler, monitor, etc) must be HDCP compliant. If source doesn't have HDCP, it doesn't matter if receiving device is HDCP compliant or not. However, since the future is (unfortunately) copy protection, always be sure the receiving device is HDCP compliant as more and more future sources will undoubtedly have HDCP. Hope that helps.
      
      

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      • Thanks Joe - jk@home 20:26:06 06/20/03 (0)
        In Reply to: Get the DVI version. posted by Joe Murphy Jr on June 20, 2003 at 20:16:05:

        Looking at the new Sony / Zenith Hi-def/DSS STB and maybe one of those new Sony WEGA KV-34XBR800 wide screen units, pretty sure all have the DVI/HDCP. Should be a GIANT step up from my 12+ year old Mitz. 35"er.
        
        

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• Shouldn't be a problem with a good, low-loss run - Dalancroft 14:27:49 06/20/03 (2)
  In Reply to: can anyone here help me with this? posted by jk@home on June 20, 2003 at 07:22:27:

  Good-quality Cardas or Belden cable should do fine over 50'.
  
  

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  • Thanks, did a Goggle search - jk@home 19:34:41 06/20/03 (1)
    In Reply to: Shouldn't be a problem with a good, low-loss run posted by Dalancroft on June 20, 2003 at 14:27:49:

    Found these.... perfect length
    

    • http://www.ramelectronics.net/html/DVI_cables.html

    
    

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    • Looks like just the ticket! (nt) - Dalancroft 15:48:20 06/23/03 (0)
      In Reply to: Thanks, did a Goggle search posted by jk@home on June 20, 2003 at 19:34:41:

      nt
      
      

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