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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. |
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Applications
- Digital Video Surveillance System
(DVR)
- Analog Video Surveillance System (Multiplexer)
- Multi-channel Video Server or Network
DVR
- Vehicle Tracking/ Security System
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Features
- 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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