Signal processing system for tonal noise robustness

Details Signal processing system for tonal noise robustness Signal processing system for tonal noise robustness

G - Physics

10

L

G10L 21/02 (2006.01) H03F 1/00 (2006.01) H04L 1/00 (2006.01)

Patent

CA 2607169

A processing system generates an output signal which includes desired signal components, and reduces or eliminates tonal noise. The output signal may be provided to any subsequent signal processing system, including voice recognition systems, pitch detectors, and other processing systems. The subsequent processing systems are less likely to mistake tonal input signal noise for desired signal content, to needlessly consume computational resources to analyze noise, and to take spurious actions induced by the tonal noise.

Selon l'invention, un système de traitement génère un signal de sortie qui comprend des composantes de signaux souhaitées, et réduit ou élimine le bruit tonal. Le signal de sortie peut être fourni à n'importe quel système de traitement du signal ultérieur, notamment à des systèmes de reconnaissance vocale, à des détecteurs de hauteur de son et à d'autres systèmes de traitement. Les systèmes de traitement ultérieurs sont moins susceptibles de prendre un bruit de signal d'entrée tonal pour un contenu du signal souhaité, de consommer inutilement des ressources de calcul pour analyser un bruit, et de prendre des mesures parasites induites par le bruit tonal.

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