Error reduction speech communication system

Details Error reduction speech communication system Error reduction speech communication system

1979-09-07

1981-09-22

Atkinson, Charles E.

Excavating

179 1SA, 375 34, 328165, G06F 1100, G08C 2500

Patent

active

042914051

ABSTRACT:
An arrangement reduces transmission errors in a communication system that includes a transmitter operative to convert an input signal into blocks of coded signals and a receiver operative to convert the coded blocks into a replica of the input signal. In the transmitter, a signal representative of first features of the input signal and a signal corresponding to second features of the input signal are generated. In the receiver, corrupted received coded signals are detected responsive to the first feature signal and the received blocks of coded signals. Each corrupted received coded signal is modified jointly responsive to the received blocks of coded signals and the second feature signal to reduce errors in the input signal replica.

REFERENCES:
patent: 3386079 (1968-05-01), Wiggins
patent: 3418630 (1968-12-01), Van Duuren
patent: 3562708 (1971-02-01), Verbarg et al.
patent: 4042923 (1977-08-01), Merrick
patent: 4045863 (1977-10-01), Goodman et al.

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