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The ENC1000A29 video encoder digitizes and compresses a standard analog NTSC color video signal and
outputs a single, continuous, serial digital output signal representing the input picture
clocked at any fixed rate up to 20 Mbps.
Up to four separate video sources can be connected to the video encoder and each can
be selected one at a time or two or more inputs may be multiplexed into one data stream. The video encoder receives EIA-232 encoder control signal data as required, allowing for remote video encoder setup using any DOS-based PC with terminal emulation. Setup includes user selectable
adjustments for three levels of horizontal resolution (pixels/line), quantization level, crop mode,
output bit rate, color, tint, system defaults, test patterns, and system status information.
The 3-
wire EIA-232 control port supports serial data baud rates of 300 to 9600; all external EIA-232
programming is stored in EEPROM, and therefore, is retained upon power down. The ADVS (Advanced Digital Video Standard) compression technique causes no blurring of the compressed
picture upon the video encoding and decoding of any type of moving objects within a given picture.
Using this scheme, each and every video frame is digitized separately and completely.
A multiplexer provides the video encoder inputs for asynchronous serial data, PCM data and clock, and an audio
signal to be interspersed into the digitized video data stream.
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