alexa Reverberation Suppression of Noisy Speech Signal
ISSN ONLINE(2320-9801) PRINT (2320-9798)

International Journal of Innovative Research in Computer and Communication Engineering
Open Access

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Special Issue Article

Reverberation Suppression of Noisy Speech Signal

Subha S1, V.Murugan M.E., (Ph.D)2
  1. PG student, Sri Subramanya College of Engineering and Technology, Palani, Tamilnadu, India
  2. Assistant professor, Dept. of ECE, Sri Subramanya College of Engineering and Technology, Palani, Tamilnadu, India
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Abstract

This paper presents an enhancement of noisy reverberant speech signal by linear prediction analysis and spectral subtraction. The linear prediction analysis is used to suppress the short term reverberation. In general, the equalized impulse response has two detrimental effects, late impulses and pre-echo. These late impulses and pre-echo are suppressed by spectral subtraction. In LP analysis, the SNR value is improved and also the LP parameters are calculated accurately by flattering the spectral components.

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