Implementation of Modified Wiener Filtering in Frequency Domain in Speech Enhancement

被引：0
|
作者：
Kumar, C. Ramesh [1 ,2 ]
Chitra, M. P. [3 ]
机构：
[1] Sathyabama Inst Sci & Technol, Dept Elect & Commun Engn, Chennai, Tamil Nadu, India
[2] Panimalar Engn Coll, Chennai, Tamil Nadu, India
[3] Panimalar Inst Technol, Dept Elect & Commun Engn, Chennai, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF ADVANCED COMPUTER SCIENCE AND APPLICATIONS | 2022年 / 13卷 / 02期
关键词：
Digital hearing aid; least mean square value; noise reduction method; power spectral density; FEEDBACK CANCELLATION; ACOUSTIC FEEDBACK; HEARING-AIDS;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The most common complaint about Digital Hearing Aids is feedback noise. Many attempts have been undertaken in recent years to successfully reduce feedback noise. A wiener filter, which calculates the wiener gain using before and after filtering SNR, is one technique to reduce background noise. Modified Noise Reduction Method (MNRM), a new way for reducing feedback noise Reduction, is presented in this work. In the Modified Noise Reduction Strategy, the advantages of a wiener filter are merged with a decision-directed approach and a twin-stage noise suppression technique The Modified Noise Reduction method can reduce the noise more successfully, according to comprehensive MATLAB programming, investigation, and findings analysis. After being modelled in MATLAB for seven distinct noise types, the SNR of the two architectures is compared.
引用
收藏
页码：434 / 439
页数：6
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