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This paper presents an impulse noise robust noise estimation algorithm in low signal-to-noise ratio (SNR) environments. This method can be integrated into any speech enhancement algorithm which requires a noise power spectral estimation. In contrast to other methods, this approach does not use a voice activity detector, which restricts the tracking capability of the noise estimator in case of low...
Traditional voice activity detection (VAD) algorithms deteriorate drastically in low signal-to-noise ratio (SNR) environments especially at the presence of impulse noise. This paper presents a novel algorithm based on the fusion of SNR features of selected sub-bands. The proposed algorithm was evaluated in different environments, yielding results which demonstrate that the new method can significantly...
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