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27.01.2023 .
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HDMI HDCP?

HDMI - High Definition Multimedia Interface - - . HDMI c .

HDCP - High-Bandwidth Digital Content Protection - - (DRM). HDCP Intel , DVI HDMI.

HDMI

HDMI - High Definition Multimedia Interface - - . HDMI c . , HDMI , , , .

HDMI , , . HDMI , ATSC, DVB-T, DVB-S, DVB-C , HD-DVD, BlueRay, DVD MPEG H.264, , , HDMI, .

HDMI TMDS. 8- , HDMI 1.2 8- (1-bit) ( , Super-Audio CD). HDMI , " SCART".

, , -.

 

  • : Type A, Type B mini.
  • HDMI Type A 19 , Type B 29 .
  • Type B , , 1080p.
  • Type A DVI-D Single Link, . , DVI-D HDMI , - HDMI DVI-D. (.. DVI ). , HDCP, (, ), . HDMI HDCP, DVI HDCP . , Type B DVI-D Dual Link.


TMDS

  • , ;
  • : DVI 1.0; Type A: Single-Link, Type B: Dual Link;
  • : Type A: 25 165 , Type B: 25 330 ;
  • , 25 (, 13,5 NTSC/480i) . 24 , 1080p 60 ;
  • : RGB 4:4:4 , YCrCb 4:4:4 (8 : 8 : 8), YCrCb 4:2:2 (12 , 6 , 6 );
  • : 32 , 44,1 , 48 , 88,2 , 96 , 176,4 , 192 ;
  • : 8.

DDC (Display Data Channel)

  • ;
  • I2C 100 ;
  • E-EDID EIA/CEA-861B VESA Enhanced EDID (v 1.3).





HDCP ?

HDCP (High-Bandwidth Digital Content Protection) - - (DRM). HDCP Intel , DVI HDMI.

HDCP , .

Digital Content Protection LLC Intel. , , . , , (HDTV) DVD (720*576) , HDCP. DAT (48 , 16 ), . , , .

HDCP

HDCP . :

  • , ;
  • DVI HDMI , "" . " ".
  • HDCP HDTV .

HDCP : 40 . 56 . , . KSV (key-selection vector, ). KSV 20 0 20 1.

(, ) KSV. KSV . KSV , , , . , KSV , 56- . .

HDCP . XOR 24- , . .

, , KSV . , , . DSA. , . , , KSV , .

HDCP, .

HDCP

HDCP "HD ready", .

 
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