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CEA-770.2-D defines the physical characteristics of an interface and the parameters of the signals carried across that interface, using three parallel channels for the interconnection of equipment operating with analog component video signals. CEA-770.2-D includes specifications for: (1) 480i video format defined by 480 active lines, 525 total lines, 2:1 interlaced at 59.94 or 60 fields/second; and, (2) 480p video format defined by 480 active lines, 525 total lines, progressively scanned at 59.94 or 60 frames/second. Both video formats shall be capable of either 4:3 or 16:9 aspect ratios.

A compliant interface shall implement one or more of these permissible scanning systems. Other scanning structures such as HDTV video formats are outside the scope of CEA-770.2-D (see CEA-770.3-C for HDTV scanning formats). The signal characteristics are defined by a gamma-corrected component set: a luminance video and two accompanying color-difference signals, see SMPTE Standard 170M Section 5.The intended uses of this interface should be:

  • a) For interconnection between Digital Television (DTV) Set top boxes and compatible television receivers or monitors; or
  • b) For interconnection between DTV compatible Cable TV Set top boxes or Satellite DBS Receiver Decoders, and television receivers or monitors; or
  • c) To interconnect equipment into complete, self-contained analog component systems of relatively small size.

    • Product Details

    Published:
    08/07/2012
    Number of Pages:
    18
    File Size:
    1 file , 440 KB

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