Bandwidth reduction method and structure for combining voice and

Details Bandwidth reduction method and structure for combining voice and Bandwidth reduction method and structure for combining voice and

1981-01-05

1983-03-22

Swann, III, Glen R.

Multiplex communications

Wide area network

Packet switching

370119, 375 25, 375121, H04J 316

Patent

active

043778607

ABSTRACT:
In the present invention, analog voice information is sampled at a first sampling rate, during periods when voice information is to be transmitted at a frequency which provides a digitized voice rate equal to the transmission rate capability of the transmission channel. During periods when both voice and data are to be transmitted, the analog voice information is sampled at a second sampling rate less than the first sampling rate, thus allowing the merged voice and data information to have a total digitized transmission rate equal to the transmission rate capability of the transmission channel.

REFERENCES:
patent: 3207851 (1965-09-01), Fukinuki
patent: 3796835 (1974-03-01), Closs et al.
patent: 3864524 (1975-02-01), Walker
patent: 3987251 (1976-10-01), Texier et al.
patent: 4143242 (1979-03-01), Horiki

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