Noise reduction method and apparatus

Details Noise reduction method and apparatus Noise reduction method and apparatus

H - Electricity

04

B

H04B 15/00 (2006.01) G10L 21/02 (2006.01)

Patent

CA 2413867

A method and system for reducing the undesirable noise in a communication signal is provided. Designed specifically to address the problem of telephone communications where the desired speech signal is contaminated by background noise, this invention employs digital signal processing of the communication signal (101) to selectively emphasize (105, 106), buffer (103), amplify (109), and smooth (107, 108) the components of the signal, thereby enhancing the signal quality (signal to noise ratio) of the presented communication signal.

L'invention concerne un procédé et un système destinés à réduire le bruit indésirable dans un signal de communications. L'invention concerne plus précisément le problème des communications téléphoniques dans lesquelles le signal de parole est contaminé par des bruits de fond. On utilise le traitement numérique du signal de communications afin d'accentuer, de séparer, d'amplifier et de lisser sélectivement les composants du signal, ce qui permet d'améliorer la qualité (rapport signal/bruit) du signal de communications présenté.

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