Predictive signal coding with partitioned quantization

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

G - Physics

06

T

354/46

G06T 9/00 (2006.01) G10L 19/06 (2006.01) H04B 1/66 (2006.01)

Patent

CA 1144650

- 32 - PREDICTIVE SIGNAL CODING WITH PARTITIONED QUANTIZATION 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.

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