제어로봇시스템학회:학술대회논문집
- 1990.10b
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- Pages.1098-1102
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- 1990
Enhancement of speech with time-variant and colored noise
- Mine, Katsutoshi (Department of Electrical Engineerig Faculty of Engineering) ;
- Kitazaki, Masato (Department of Electrical Engineerig Faculty of Engineering) ;
- Wakabayashi, Katsuyoshi (Department of Electrical Engineerig Faculty of Engineering) ;
- Morimoto, Yuji (Department of Electrical Engineerig Faculty of Engineering)
- Published : 1990.10.01
Abstract
We consider a method for enhancement of speech signal degraded by additive random noise with time-variant and/or colored natures. For enhancement of speech signal with such noise, it is effective to utilize the natures of speech and noise. The objective of enhancement of speech is to improve the overall quality and the articulation of speech degraded by the time-variant and/or colored random noise. In the proposed method the distribution model of speech spectrum is given as information to noise reduction system. The proposed system can improve about lOdB in SNR when the input SNR is 0 dB.
Keywords