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논문 기본 정보

자료유형
학술저널
저자정보
Indra. J (Kongu Engineering College) Kasthuri. N (Kongu Engineering College) Navaneetha Krishnan. S (Kongu Engineering College)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.6
발행연도
2016.11
수록면
1,793 - 1,801 (9page)

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초록· 키워드

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Speech enhancement is a challenging problem due to the diversity of noise sources and their effects in different applications. The goal of speech enhancement is to improve the quality and intelligibility of speech by reducing noise. Many research works in speech enhancement have been accomplished in English and other European Languages. There has been limited or no such works or efforts in the past in the context of Tamil speech enhancement in the literature. The aim of the proposed method is to reduce the background noise present in the Tamil speech signal by using wavelets. New modified thresholding function is introduced. The proposed method is evaluated on several speakers and under various noise conditions including White Gaussian noise, Babble noise and Car noise. The Signal to Noise Ratio (SNR), Mean Square Error (MSE) and Mean Opinion Score (MOS) results show that the proposed thresholding function improves the speech enhancement compared to the conventional hard and soft thresholding methods.

목차

Abstract
1. Introduction
2. Development of Noisy Speech Corpus for Classical Tamil Language
3. Wavelet Thresholding
4. Results and Discussion
5. Conclusions and Future Work
References

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