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Reseach Article

Adaptive Weiner Filter for Speech Enhancement under Various Noisy Conditions

by Akash A. Salmuthe, Rajesh K. Agrawal
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 170 - Number 7
Year of Publication: 2017
Authors: Akash A. Salmuthe, Rajesh K. Agrawal
10.5120/ijca2017914912

Akash A. Salmuthe, Rajesh K. Agrawal . Adaptive Weiner Filter for Speech Enhancement under Various Noisy Conditions. International Journal of Computer Applications. 170, 7 ( Jul 2017), 9-11. DOI=10.5120/ijca2017914912

@article{ 10.5120/ijca2017914912,
author = { Akash A. Salmuthe, Rajesh K. Agrawal },
title = { Adaptive Weiner Filter for Speech Enhancement under Various Noisy Conditions },
journal = { International Journal of Computer Applications },
issue_date = { Jul 2017 },
volume = { 170 },
number = { 7 },
month = { Jul },
year = { 2017 },
issn = { 0975-8887 },
pages = { 9-11 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume170/number7/28081-2017914912/ },
doi = { 10.5120/ijca2017914912 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-07T00:17:50.833131+05:30
%A Akash A. Salmuthe
%A Rajesh K. Agrawal
%T Adaptive Weiner Filter for Speech Enhancement under Various Noisy Conditions
%J International Journal of Computer Applications
%@ 0975-8887
%V 170
%N 7
%P 9-11
%D 2017
%I Foundation of Computer Science (FCS), NY, USA
Abstract

The performance of a noisy speech enhancement algorithm depends on the estimation of the priori signal-to-noise ratio (SNR). The most commonly used approach to estimate the priori SNR parameter uses Decision-Directed (DD), Two Step Noise Reduction (TSNR) and Harmonic Regeneration Noise Reduction (HRNR) method. Two-step noise reduction (TSNR) method eliminate this problem decision-directed method. Common short-time noise reduction techniques introduce harmonic distortion in enhanced speech because of the non-reliability of estimators for small signal to-noise ratios. A simple but effective harmonic regeneration method called Harmonic Regeneration Noise Reduction (HRNR) is used to overcome this problem.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Speech enhancement harmonic regeneration SNR noise reduction TSNR HRNR.