Enhancement of Speech Compression Technique Using Wavelet Transforms With Parallel Processing and Fusion

  ijett-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2013 by IJETT Journal
Volume-4 Issue-8                      
Year of Publication : 2013
Authors : S.Kamesh , V.Sailaja , K.Jyothi


S.Kamesh , V.Sailaja , K.Jyothi. "Enhancement of Speech Compression Technique Using Wavelet Transforms With Parallel Processing and Fusion". International Journal of Engineering Trends and Technology (IJETT). V4(8):3639-3642 Aug 2013. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group.


The Discrete Wavelet Transform is the most powerful and new signal compression technique which uses multi - resolution analysis for analyzing speech signal. Here we are doing parallel speech compression using two different wavelet transforms like Haar wavelets and Bi - orthogonal wavelet transformation (Bior). The resultant of components which are in high frequency bands are fusioned together and difference signal are used to reconstruct the speech which will gives t he enhancement in speech signal with less loss speech data in high frequency portion.


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Speech signal compression; Haar wavelet; Bi - orthogonal wavelet; Discrete approximation of Meyer .