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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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