Differential pulse code modulation transmission system

Details Differential pulse code modulation transmission system Differential pulse code modulation transmission system

1982-10-18

1984-11-06

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

358135, H04N 712

Patent

active

044816448

ABSTRACT:
Differential pulse code modulation transmission system in which the transmitter and the receiver each comprise a prediction circuit for generating a prediction signal from the transmitted DPCM-signal. This prediction circuit is in the form of two or more prediction channels 710(i) each consisting of a non-linear network 711(i) followed by a leaky integrator circuit 700(i). The inputs of these prediction channels are connected to a common input 701 and the output of each prediction channel is connected to an input of a summing device 712, which produces the desired prediction signal.

REFERENCES:
patent: 4075655 (1978-02-01), Iijima et al.
patent: 4255763 (1981-03-01), Maxemchuk et al.

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