Mixed mode compression for data transmission

Details Mixed mode compression for data transmission Mixed mode compression for data transmission

1988-03-08

1989-12-26

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370118, H04J 316

Patent

active

048902829

ABSTRACT:
In an integrated digital network with at least three nodes, A, B, and C, a call placed at node A to be transmitted through the network from node A to node B to node C, is compressed in multiple modes. In response to the path selected, the speech signal in node A is compressed in a first mode for transmission to node B. In node B, the speech signal is compressed in a second mode for transmission to node C, where the first and second modes involve dissimilar algorithms for compression of speech signals. At node C, the speech signal would again be adapted for supply to a receiving station. The system can accommodate as many modes of compression as desired.

REFERENCES:
patent: 4747096 (1988-05-01), Piasecki et al.

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