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The VSC-4KD is a high quality polyphase scaler for down converting 4K inputs to standard definition or high definition format. 4K quadrant based format as used with Quad 3G-SDI links, as well as side-by-side format used with DisplayPort 1.2, are both supported.


  • Any input <= 4096x2160p scaled to any output <= 2048x1080p
  • Supports both quadrant based format (Quad 3G-SDI) and side-by-side format (DisplayPort 1.2)
  • High quality polyphase scaling
  • Invisible seams between tiles
  • Dynamic resizing and aspect ratio conversion (ARC) without artifacts
  • Supports all frame rates up to 60 Hz 8/10/12-bit 4:2:2 or 4:4:4 processing
  • Seamless interface to VPC-1 deinterlacer
  • Fully synchronous design Programmability
  • Dynamically loadable coefficients for flexible image quality
  • Scale factors dynamically alterable without display artifacts Build Time Options
  • 4:2:2 or 4:4:4 data path
  • 8, 10 or 12-bit data path precision
  • Number of taps, number of phases, coefficient precision
  • Quadrant based or side-by-side format Compatibility
  • Use standalone or in conjunction with VPC-1 Video Processor and Deinterlacer
  • Support for both Xilinx and Altera devices
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