Predictive signal coding with partitioned quantization

Details Predictive signal coding with partitioned quantization Predictive signal coding with partitioned quantization

1980-04-08

1982-10-12

Krass, Errol A.

G10L 100

Patent

active

043540570

ABSTRACT:
In a communication system an input predictive type signal is analyzed in successive time intervals to generate a set of prediction signals for the interval. A predictive residual signal is produced jointly responsive to the input signal and the interval prediction signals. The predictive residual signal is quantized and encoded. The quantization includes dividing the predictive residual signal into a plurality of distinct portions and selectively quantizing the distinct portions to improve intelligibility.

REFERENCES:
patent: 3502986 (1970-03-01), Lucky
patent: 3631520 (1971-12-01), Atal
patent: 3750024 (1973-07-01), Dunn et al.
patent: 4005274 (1977-01-01), Vagliani et al.
patent: 4133976 (1979-01-01), Atal
patent: 4179710 (1979-12-01), Ishigurd et al.

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