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Adaptive Weiner Filter for Speech Enhancement under Various Noisy Conditions

by Akash A. Salmuthe, Rajesh K. Agrawal
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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.

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