Speech Analysis Technique for Speech Compression

Hind R. Mohammed*, Iman Qays Abduljaleel**
* Computer Dept. College of Mathematical & Computer Sciences, Kufa University, Iraq.
** Computer Dept. College of Science, Basra University, Iraq.
Periodicity:July - September'2011
DOI : https://doi.org/10.26634/jse.6.1.1535

Abstract

This paper presents a comparison between the important transforms using in speech signal such as (Fast Fourier Transform, Discrete Wavelet Transform, Wavelet Packet Transform and Discrete Wavelet-Fast Fourier Transform) and try to compression the coefficients that received from any transforms by using zero's coder before using arithmetic coding  algorithm to compress speech signal. We find the DWT and WPT are the best transform in the speech signal analysis and using the zero's coder increase the compression ratio and using DWT-FFT transform make the compression bad because the coefficients received after using FFT transform are different and make the symbols that entry to arithmetic coding more. Analysis of the compression process was performed by comparing the compressed-decompressed signal against the original.

Keywords

Speech, Compression, Wavelet, Fast Fourier, DWT, WPT, Threshold.

How to Cite this Article?

Hind Rostom Mohammed and Iman Qays Abduljaleel (2011). Speech Analysis Technique For Speech Compression. i-manager’s Journal on Software Engineering, 6(1), 21-27. https://doi.org/10.26634/jse.6.1.1535

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