Adaptive prediction differential-PCM transmission method and cir

Details Adaptive prediction differential-PCM transmission method and cir Adaptive prediction differential-PCM transmission method and cir

1979-12-14

1982-03-09

Wise, Edward J.

179 1555R, G10L 100

Patent

active

043190820

ABSTRACT:
Adaptive differential PCM system using both adaptive quantization and adaptive prediction. The adaptive prediction is carried out in adjacent frequency bands on as many signals as are obtained by weighting the quantized signal by coefficients obtained by spectral analysis in the bands of the quantized signal.

REFERENCES:
patent: 3973081 (1976-08-01), Hutchins
patent: 3973199 (1976-08-01), Widmer
patent: 4017849 (1977-04-01), Tewksbury
patent: 4125861 (1978-11-01), Mounts et al.

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