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- W2045200713 abstract "A gain factor adapted by both the intra-frame masking properties of the human auditory system and the inter-frame SNR variation is proposed to enhance a speech signal corrupted by additive noise. In this article we employ an averaging factor, varying with time-frequency, to improve the estimate of the a priori SNR. In turn, this SNR estimate is utilized to adapt a gain factor for speech enhancement. This gain factor reduces the spectral variation over successive frames, so the effect of musical residual noise is mitigated. In addition, the simultaneous masking property of the human ears is also employed to adapt the gain factor. Imperceptive residual noise with energy below the noise masking threshold is retained, resulting in a reduction of speech distortion. Experimental results show that the proposed scheme can efficiently reduce the effect of musical residual noise." @default.
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- W2045200713 date "2010-10-01" @default.
- W2045200713 modified "2023-09-24" @default.
- W2045200713 title "A gain factor adapted by masking property and SNR variation for speech enhancement in colored-noise corruptions" @default.
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- W2045200713 doi "https://doi.org/10.1016/j.csl.2009.09.001" @default.
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