Invention Grant
US08135586B2 Method and apparatus for estimating noise by using harmonics of voice signal 有权
通过使用语音信号的谐波估计噪声的方法和装置

Method and apparatus for estimating noise by using harmonics of voice signal
Abstract:
Disclosed is a method and an apparatus for estimating noise included in a sound signal during sound signal processing. The method includes estimating harmonics components in a frame of an input sound signal; using the estimated harmonics components, computing a Voice Presence Probability (VPP) on the frame of the input sound signal; determining a weight of an equation necessary to estimate a noise spectrum, depending on the computed VPP; and using the determined weight and the equation necessary to estimate a noise spectrum, estimating the noise spectrum, and updating the noise spectrum.
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