Method of reducing voice signal interference

Details Method of reducing voice signal interference Method of reducing voice signal interference

G - Physics

10

K

G10K 11/175 (2006.01) G10L 21/02 (2006.01)

Patent

CA 2260893

The invention concerns a method of reducing voice signal interference using a noise-reducing method. According to the invention, a masking curve is determined both for the input signal and the output signal of the noise reduction. By comparing the signal portions exceeding the respective masking curve, newly audible portions can be detected in the form of interference in the output signal, according to the type of musical tone, and subsequently damped selectively.

L'invention concerne un procédé permettant de réduire les parasites dans un signal vocal, à l'aide d'un procédé de réduction du bruit. Il est prévu de déterminer une courbe de masquage pour le signal d'entrée, ainsi que pour le signal de sortie de la réduction du bruit. Une comparaison entre les composantes du signal qui dépassent la courbe de masquage permet de détecter de nouvelles composantes audibles dans le signal de sortie sous forme de parasites, suivant le type de ton musical, puis de les amortir ensuite de manière sélective.

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