Multiport conference circuit with voice level coding

Details Multiport conference circuit with voice level coding Multiport conference circuit with voice level coding

1979-08-06

1981-03-03

Brown, Thomas W.

Multiplex communications

Wide area network

Packet switching

H04J 302, H04M 356

Patent

active

042544971

ABSTRACT:
An improved conference circuit for use in a Pulse Code Modulation telephone switching system wherein a number of channels are combined so that a number of subscribers may participate in a common telephone conversation. The conference circuit is provided with a voice level coding arrangement whereby the voice level comparisons used in the speaker selection process are facilitated.

REFERENCES:
patent: 3947639 (1976-03-01), Nicholas et al.
patent: 4054755 (1977-10-01), Lee et al.
patent: 4059735 (1977-11-01), Betts
patent: 4175215 (1979-11-01), McLaughlin et al.

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