Prediction differential pulse code modulation system with adapti

Details Prediction differential pulse code modulation system with adapti Prediction differential pulse code modulation system with adapti

1974-08-29

1976-08-03

Griffin, Robert L.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

325141, 332 11D, H04B 100

Patent

active

039731995

ABSTRACT:
The adaptive differential PCM transmission system uses a first-order prediction and a simple quantizing step-wise adaptation to improve signal-to-quantizing noise ratio.

REFERENCES:
patent: 3502986 (1970-03-01), Lucky
patent: 3555423 (1971-01-01), Weston
patent: 3729678 (1973-04-01), Glasbergen et al.
patent: 3806810 (1974-04-01), Widmer et al.
patent: 3831092 (1974-08-01), Greefkzs
patent: 3859597 (1975-01-01), Zwaal

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