Transcoder

Details Transcoder Transcoder

1993-11-16

1995-08-01

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

370 951, 3701101, 379 58, 379229, H04L 1266, H04B 724

Patent

active

054385695

ABSTRACT:
A transcoder is described for performing transcoding operations, that is to say coding and decoding operations on voice data arranged over a plurality of voice data channels. It comprises a first interface (10) for inputting and outputting coded voice data, a second interface (11) for inputting and outputting decoded voice data; at least one transcoder processor (101) for performing transcoding operations on voice data arranged over at least two voice data channels; and an input/output processor (100) coupled to the first and second interfaces and the at least one transcoder processor for controlling the flow of data between the first and second interfaces and the at least one transcoder processor. The input/output processors controls the at least one transcoder processor to perform transcoding operations on a selected channel at a given time. The invention is particularly applicable to transcoding between CEPT standard voice data and GSM standard voice data.

REFERENCES:
patent: 4754453 (1988-06-01), Eizenhofer
patent: 5111454 (1992-05-01), Hung et al.
patent: 5228029 (1993-07-01), Kotzin

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