Noise Estimation of Speech Signal Using Adaptive Sub -Spectral System

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In the current environment of the modern world, telecommunication has been highly integrated into the people everyday life through their vivid use in speech communication, speech and speaker recognition, aid devices for the hearing impaired and numerous other applications. Speech is a fundamental means of human communication. In the last several decades, much effort has been devoted for efficient transmission and storage of speech signals. With advances in technology making mobile communication ubiquitous, communications anywhere has become a reality. The freedom and flexibility offered by mobile technology brings with it new challenges, one of which is robustness to acoustic background noise.