[opendtv] Re: HDMI attracts three challengers

  • From: dan.grimes@xxxxxxxx
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Thu, 11 Jun 2009 09:50:26 -0700

Conflicting information?

From Mike Tsinberg, Key Digital Systems:

HDMI to DVI. If HDMI is copy protected as most consumer sources are
–this is illegal. 
From HDMI.org:

Q. Is HDMI backward compatible with DVI (Digital Visual Interface)?

Yes, HDMI is fully backward compatible with DVI compliant devices. HDMI 
DTVs will display video received from existing DVI-equipped products, and 
DVI-equipped TVs will display video from HDMI sources. However, some older 
PCs with DVI are designed only to support computer monitors, not 
televisions. Consumers buying a PC with DVI should make sure that it 
specifically includes support for television formats and not just computer 

Also, consumers may want to confirm that the DVI interface supports 
High-bandwidth Digital Content Protection (HDCP), as content that requires 
HDCP copy protection will require that both the HDMI and DVI devices 
support HDCP to properly view the video content.


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