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The AL-H264E-4KI422-HW is a hardware-based, feature rich, low latency, high video quality H.264 (AVC) UHD Hi422 Intra encoder IP core. The AL-H264E-4KI422-HW encoder pairs up with the Atria Logic AL-H264D-4KI422-HW low latency decoder for low latency end-to-end links.

The encoder is targeted for medical imaging, broadcast, enterprise/CE and industrial applications. Medical imaging applications include endoscopy, micro surgery and remote assisted surgery and diagnostics. Broadcast applications include video recorders for news and event coverage, film sets and production studios, as well as real-time monitoring of video shoots. Enterprise/CE applications include HDBaseT video transmission over CAT5/6 Ethernet cabling to computer monitors and UHD TV displays. Industrial applications include monitoring of manufacturing plants, and remote manipulation of mobile or fixed light or heavy machinery.


  • Very low latency
  • High video quality
  • UHD resolution
  • Low power
  • Spare on-chip programmable logic and RAM
  • FPGA or ASIC implementations


  • Medical imaging
  • Video recorders for broadcast and film
  • HDBaseT video over CAT5/6
  • Remote monitoring
  • Remote manipulation of machinery

Block Diagram


  • H.264 Intra-only Hi422 Level 5.1 encoding
  • 8/10-bit support
  • YUV 4:2:2 support
  • Very low latency at ~0.3sec
  • Variable bit rate (VBR) and constant bit rate (CBR) support
  • VQ at 0.99% SSIM, or 50dB PSNR or higher
  • Gb Ethernet streaming output support
  • Xilinx Zynq-7000 series XC7Z045 SoC implementation

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