Multiplex communications – Wide area network – Packet switching
Patent
1982-01-15
1984-06-19
Griffin, Robert L.
Multiplex communications
Wide area network
Packet switching
370118, 370 83, 381 31, 381 29, H04J 602
Patent
active
044556497
ABSTRACT:
The improved multiplexer described herein uses split band encoding across a plurality of input ports to increase the statistical advantage for compression gains but does not require a large number of input ports to achieve its advantage.
REFERENCES:
patent: 4237552 (1980-12-01), Aikoh et al.
Digital Coding of Speech in Sub-Bands-R. E. Crochiere et al., The Bell System Technical Journal, Oct. 1976.
Frequency Domain Coding of Speech-Jose Tribolet et al., IEEE 1979.
32 KBPS Ccitt Compatible Split Band Coding Scheme D. Esteban et al., IEEE 1978.
Esteban Daniel J.
Jones, Jr. Gardner D.
Rogers Lee S.
Chang Errol
Frisone John B.
Griffin Robert L.
International Business Machines - Corporation
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