Noise reduction

Details Noise reduction Noise reduction

H - Electricity

04

B

H04B 15/00 (2006.01) G10L 21/02 (2006.01) G10L 3/02 (1995.01)

Patent

CA 2155832

Spectral subtraction (3, 4, 5, 6, 7, 8) (or spectral scaling, figure 7) for noise reduction is followed by further attenuation (20) of inter-formant regions identified by Linear Predictive analysis (21).

La soustraction spectrale (3, 4, 5, 6, 7, 8) (ou la mise à l'échelle spectrale, figure 7) pour la réduction du bruit est suivie de l'atténuation (20) de régions inter-formants identifiées par analyse prédictive linéaire (21).

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