This book comes with a picture of multilingual resources, an important research trends, and the actual speech processing system which is being used in human-machine interface and human beings. Researchers and developers in industry and academics with different backgrounds but a common interest in multilingual speech processing will find an excellent overview of research problems and detailed solutions of the theoretical and practical perspectives. * State--the-art research with a global perspective by authors from America, Asia, Europe, and South Africa * The introduction of only a comprehensive approach to multilingual speech processing currently available * The presentation detailed the progress of the integral of the security technology, finance, mobile and commercial applications