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This book explores the various feature extraction methods for isolated word recognition. Brief history of speech recognition and the classification techniques have been described in the book. We discussed the acoustic sound production and fundamental steps in feature extraction in details. In this book some of the challenges of speech recognition like high recognition rate, low feature dimension, computational efficiency and robustness to noise have been addressed. Apart from the comparison of existing feature extraction and classification methods, some of the new feature ...

PREFACE : Heart Disease is a major cause for increase in mortality rate today. Heart auscultation plays vital role in the diagnosis of heart diseases, especially valvular diseases. It is particularly important in primary health care, due to its effectiveness in detecting a wide range of heart abnormalities and to the low cost of the equipment involved. However, forming a diagnosis based on heart sounds is a skill that requires expertise. Particularly in remote areas and in developing country like India, physicians with the necessary training may not be widely available. The aim of writing...