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Filtering of a Dissonant Frequency Combined with Noise Reduction for Speech Enhancement  

Sangki Kang (Modem System Lab. Telecommunication R＆D Center Telecommunication Network Samsung Electronics Co., Ltd.)
Lee, Youn-Jeong (School of Electronic Engineering, Soongsil University)
Lee, Ki-Yong (School of Electronic Engineering, Soongsil University)
Publication Information
The Journal of the Acoustical Society of Korea / v.23, no.1E, 2004 , pp. 16-18 More about this Journal
Abstract
There have been numerous studies on the enhancement of the noisy speech signal. In this paper, I propose a completely new speech enhancement method, that is, a filtering of a dissonant frequency combined with noise reduction algorithm. The simulation results indicate that the proposed method provides a significant gain in audible improvement compared with the conventional method. Therefore if the proposed enhancement scheme is used as a pre-filter, the perceptual quality of speech is greatly enhanced.
Keywords
Dissonant frequency filtering (DFF); Noise reduction; Fundamental frequency estimation;
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