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http://dx.doi.org/10.7776/ASK.2011.30.2.073

Time-Frequency Domain Impulsive Noise Detection System in Speech Signal  

Choi, Min-Seok (연세대학교 전기전자공학과)
Shin, Ho-Seon (연세대학교 전기전자공학과)
Hwang, Young-Soo (관동대학교 전자정보통신공학부)
Kang, Hong-Goo (연세대학교 전기전자공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.30, no.2, 2011 , pp. 73-79 More about this Journal
Abstract
This paper presents a new impulsive noise detection algorithm in speech signal. The proposed method employs the frequency domain characteristic of the impulsive noise to improve the detection accuracy while avoiding the false-alarm problem by the pitch of the speech signal. Furthermore, we proposed time-frequency domain impulsive noise detector that utilizes both the time and frequency domain parameters which minimizes the false-alarm problem by mutually complementing each other. As the result, the proposed time-frequency domain detector shows the best performance with 99.33 % of detection accuracy and 1.49 % of false-alarm rate.
Keywords
Speech signal processing; Impulsive noise; Impulsive noise detection; Speech enhancement;
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