Digital voice summing for teleconferencing

Details Digital voice summing for teleconferencing Digital voice summing for teleconferencing

1984-10-29

1987-03-03

Brown, Thomas W.

Multiplex communications

Wide area network

Packet switching

379202, H04M 356, H04Q 1104

Patent

active

046480897

ABSTRACT:
Digitally encoded voice signals are weighted dynamically in multipliers prior to summation of the digital signals. Greater weight is given to the more active channels. In one system, the signals are weighted proportionately to the square of the amplitude of each digital voice signal.

REFERENCES:
patent: 4254497 (1981-03-01), Funderburr et al.
patent: 4359603 (1982-11-01), Heaton
patent: 4387457 (1983-06-01), Munter
patent: 4488291 (1984-12-01), Eschmann et al.
patent: 4499578 (1985-02-01), Marouf et al.
Satyan G. Pitroda and Bernard J. Rekiere, "A Digital Conference Circuit for an Instant Speaker Algorithm", Transaction of Communication Technology, vol. Com-19, No. 6, pp. 1069-1076, Dec. 1971.

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