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March 23, 1988

HITACHI DEVELOPS CODED IMAGE MULTIPLEXER

By CBR Staff Writer

Hitachi Ltd has developed a coded image multiplexer, the HVC64K, which the company claims will be able to transmit images at 6,400Kbps over a single telephone line using Integrated Services Digital Networking standards, and will start taking orders for it next month – they will cost $62,500 apiece and orders for 10 units are expected in the first year: the unit compresses image signals into 64K-bit packets and sends voice signals over a different line; built around an 8086, the unit applies two compression techniques – movement compensation inter-frame prediction, and direct replacement coding, and can exchange signals with the Invite 64 units that were developed by Kokusai Denshin Denwa Co.

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