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Digital video up/down scaler accepts 24-bit RGB or YCbCr video and permits independent horizontal and vertical scaling to generate any desired resolution or aspect ratio. Uses a 5x5 FIR polyphase filter with 16 phases to generate a studio-quality interpolated output. Supports 4K video and above. No frame buffer required.


  • Studio quality video scaling
  • Video conferencing and surveillance
  • Dynamic scaling of video in a window
  • Broadcast video equipment
  • Picture-in-picture applications
  • Video scaling for flat panel displays, portable devices, video games/consoles, video format converters,set-top boxes, digital TV
  • Features

    • 24-bit RGB or YCbCr video in/out
    • Independent vertical and horizontal scaling
    • Support for video resolutions of 4K and above
    • 24-bit fixed-point scale factor
    • 5x5-tap polyphase FIR filter (16 phases)
    • Configurable coefficients for each phase
    • Small area footprint - minimal RAM resource
    • Scale-up to Full HD with frame rates of 100Hz+
    • Separate configuration of vertical and horizontal filters
    • No frame buffer required

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