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Introduction
The AL37204 Video Processor EVB is an evaluation
product that demonstrates a total solution for
video surveillance applications using Averlogic
IC chips. This EVB product receives video streams
from up to 4 cameras to be processed and shown
on a monitor in a variety of convenient display
formats.
The main components include one video decoder
(AL244) for processing 4 channels of analog
video inputs, one video decoder (AL240) for
analog to digital conversion for video playback
input, and one video processor (AL37204). It
is a low-cost, easy solution for real-time video
surveillance applications that use 4-channel
video output to TV monitors, VCRs and digital
storage devices.
The AL37204 provides four analog CVBS video
input connectors. It has cost-effective, high-quality
NTSC/PAL video decoding technology with adaptive
comb-filter Y/C separation processing and quad
video processing. It is also equipped with BCS
(Brightness, Contrast, Saturation and Hue) control,
Scale Down Function, Re-play function, Zoom,
Freeze, Iinternal OSD overlay, Motion Detection
and PIP/POP display capabilities for monitoring
and controlling video surveillance devices.
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Features
- Supports
manual video standard selection to match various
analog video standard inputs . High quality
adaptive comb-filter for Y/C separation.
- Supports
multi-window display modes (1/2/3/4/9/13/16).
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Three embedded TV Encoders with DACS, supports
NTSC and PAL standard outputs.
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Supports manual adjustment of hue,brightness,contrast
and saturation .
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Supports individual channel freeze.
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Supports PIP/POP function.
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Supports motion detection / blind detection.
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Internal OSD overlay with programmable bitmap
type font for OSD display
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