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AL-Rafidain Journal of Computer Sciences and Mathematics

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Sound Signal De-noising Using Wavelet Transform

    Yusra Faisal Al-Irhaim Ahmad Mohammd Suliman

AL-Rafidain Journal of Computer Sciences and Mathematics, 2012, Volume 9, Issue 2, Pages 143-157
10.33899/csmj.2012.163724

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Abstract

In this paper, the Discrete Wavelet Transform is studied in purifying the sound signal from noise because of the good capabilities in this scope, especially when it is merged with both types of the (Thresholding), the solid and the flexible. The aim of this research is making comparisons between the types of deferent  Discrete Wavelet Transform for both the filters which are used (Harr, Daubechies) in deferent levels (2, 3, 4, 5) with the additive of two types of noise to these filters (Gaussian White Noise) and (Random Noise). The decibel value that added to these filters was in the (5dB,10dB,15dB) values. Good results of the purification process are achived after computing the (Signal to Noise Ratio (SNR)) and (Mean Sequre Error (MSE)).
 
 
Keywords:
    Signal De-noising wavelet transform Daubechies & Harr filters
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(2012). Sound Signal De-noising Using Wavelet Transform. AL-Rafidain Journal of Computer Sciences and Mathematics, 9(2), 143-157. doi: 10.33899/csmj.2012.163724
Yusra Faisal Al-Irhaim; Ahmad Mohammd Suliman. "Sound Signal De-noising Using Wavelet Transform". AL-Rafidain Journal of Computer Sciences and Mathematics, 9, 2, 2012, 143-157. doi: 10.33899/csmj.2012.163724
(2012). 'Sound Signal De-noising Using Wavelet Transform', AL-Rafidain Journal of Computer Sciences and Mathematics, 9(2), pp. 143-157. doi: 10.33899/csmj.2012.163724
Sound Signal De-noising Using Wavelet Transform. AL-Rafidain Journal of Computer Sciences and Mathematics, 2012; 9(2): 143-157. doi: 10.33899/csmj.2012.163724
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