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The VSC-1 is a high quality polyphase scaler which has been optimized for video and graphics applications. The scaler may be used in conjunction with the VPC-1 Video Processor and Deinterlacer IP core or with any other customer or third party IP. Support for both shrink and zoom modes allows full screen display of any video or graphics source as well as arbitrary resizing for PIP applications. Complete source code including Verilog and bit-accurate C models are available as part of the license. An FPGA based demo platform is available for evaluation purposes.


  • High quality polyphase scaler optimized for video and graphics applications
  • Separate horizontal and vertical scalers
  • Supports both shrink and zoom modes
  • Dynamic resizing and aspect ratio conversion (ARC) without artifacts
  • Selective crop and zoom (Ultra Zoom)
  • 8/10/12-bit 4:2:2 or 4:4:4 processing Scaling
  • High quality polyphase scaling
  • Arbitrary horizontal and vertical scale factors
  • Correct filtering minimizes artifacts at all scale factors Programmability
  • Dynamically loadable coefficients for flexible image quality
  • Optional image sharpening
  • 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 Compatibility
  • Use standalone or in conjunction with VPC-1 Video Processor and Deinterlacer for complete up/down/cross conversion
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