Method and system for reducing a voice signal noise

Details Method and system for reducing a voice signal noise Method and system for reducing a voice signal noise

2008-06-24

2008-06-24

Lerner, Martin (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S225000, C704S226000, C381S094300, C381S094700

Reexamination Certificate

active

07392177

ABSTRACT:
A method is provided whereby, before being subjected to a low rate voice coding, an incoming digital voice signal is chronologically segmented into blocks, the blocks are broken down respectively, in chronological order, into frequency components by a transformation in the frequency range and the frequency components are multiplied by weight factors depending on the frequency and modifiable in time, a frequency component being multiplied by the last weight factor calculated for the frequency component if the factor is less than the current weight factor.

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