Method and apparatus for encoding voice signals divided into a p

Details Method and apparatus for encoding voice signals divided into a p Method and apparatus for encoding voice signals divided into a p

1990-09-21

1992-05-19

Pellinen, A. D.

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

381 37, H03M 700

Patent

active

051152401

ABSTRACT:
This invention relates to a digital signal encoding apparatus in which the width of the range in selected to be wider for the higher frequency range of the digital signals divided into a plurality of regions and in which the encoded signals are synthesized for the respective ranges, wherein encoding is controlled as a function of the output detecting the characteristics of the components of the divided frequency ranges and the detection time interval is selected to be longer for the lower frequency to enable more efficient encoding to be performed as a function of the properties of input digital signals.

REFERENCES:
patent: 4896362 (1990-01-01), Veldhuis et al.
patent: 4949383 (1990-08-01), Koh et al.

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