Method and apparatus for telephone line multiplex channeling of

Details Method and apparatus for telephone line multiplex channeling of Method and apparatus for telephone line multiplex channeling of

1989-12-04

1992-08-04

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701101, 370111, 370118, 379 88, 379 93, 381 29, H04J 312

Patent

active

051365863

ABSTRACT:
A method and apparatus for telephone line multiplex channeling of toll-quality voice and modem-encoded digital data from telecommunication devices (FAX, computers, displays, printers, etc.) involving variably sample-compression of digitally converted voice signals within successive time frames, and filling the resulting unoccupied time within each such frame with the modem-encoded digital data, and preferably with guard band signals separating the voice and modem-encoded digital data within each frame.

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Jim Aikin, "Tangled Thread," Keyboard Magazine, Mar. 1989.

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