A perceptual approach for noise reduction using nonlinear spectral subtraction

被引：0

作者：

Udrea, Radu M. ^{[1
]}

Vizireanu, Dragos N. ^{[1
]}

Pirnog, Ionut ^{[1
]}

机构：

[1] Univ Politehn Bucuresti, Fac Elect Telecommun & Informat Technol, Iuliu Maniu 1-3, Bucharest 061071, Romania

来源：

TELSIKS 2007: 8TH INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS IN MODERN SATELLITE, CABLE AND BROADCASTING SERVICES, VOLS 1 AND 2 | 2007年

关键词：

speech enhancement; spectral subtraction;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose an improved spectral subtraction method for reducing acoustic noise added to speech in noisy environments like helicopter cockpit or car engine. This implementation uses over-subtraction method for spectral subtraction. Residual noise can be masked by exploiting the masking properties of the human auditory system. A psychoacoustically motivated weighting filter was included to eliminate residual musical noise. Simulations showed a better quality with no distortion for the enhanced speech and the musical noise was effectively masked.

引用

页码：649 / +

页数：2

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