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Video Surveillance Controller ICs
  AL37219 Advanced Surveillance Controller

Functional Description

The AL37219 controllers are Averlogic’s 9-ch control solutions for multiplexer, DVR and Video Server CCTV applications. Both controllers provide an additional input channel for playback and three separate output paths providing 8 bit ITU-R BT.656 and/ or 24 bit RGB format data for maximum flexibility meeting digital video recording and LCD TV/ monitor display requirements. In addition, two cascaded AL37219 controllers deliver full 16-ch multiplexing functionality.



  • Digital Video Surveillance System (DVR)
  • Analog Video Surveillance System (Multiplexer)
  • Multi-channel Video Server or Network DVR
  • Vehicle Tracking/ Security System

  Additional Information
  AL37219 Brochure
  AL37219 Flyer
  Reference Kits
  AL37219C-EVB-A2 (9-Channel Multi-Display Video Processor for Surveillance)




  • Triplex operation support real-time monitoring, recording, and playback independently
  • Programmable size/location, panning flipping, mirroring and tilting for every channel
  • Internal scaling function (1/2, 1/3, 1/4, 2/3, 3/4)
  • Support PIP /POP, and anti-rolling channel switching
  • Individual channel freeze operation
  • Support linear Zooming function for monitoring and playback modes (with independent vertical and horizontal linear interpolation)
  • Embedded internal OSD; BMP Image overlay and flexible font display
  • Direct connection to video decoder/ encoder, TV monitor, VCR, MPEG/M-JPEG CODEC IC
  • Priority (weighting) recording of special event channels (internal or external alarms)
  • Support individual channel motion detection in hardware and software; programmable motion area/ velocity/ sensitivity
  • Programmable brightness, contrast and saturation
  • VBI insertion and extraction ...etc.
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