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This book serves as a basic reference for those interested in the application of metaheuristics to speech enhancement. The major goal of the book is to explain the basic concepts of optimization methods and their use in heuristic optimization in speech enhancement to scientists, practicing engineers, and academic researchers in speech processing. The authors discuss why it has been a challenging problem for researchers to develop new enhancement algorithms that aid in the quality and intelligibility of degraded speech. They present powerful optimization methods to speech enhancement that can...

This book discusses the impact of spectral features extracted from frame level, glottal closure regions, and pitch-synchronous analysis on the performance of language identification systems. In addition to spectral features, the authors explore prosodic features such as intonation, rhythm, and stress features for discriminating the languages. They present how the proposed spectral and prosodic features capture the language specific information from two complementary aspects, showing how the development of language identification (LID) system using the combination of spectral and prosodic...

In a bid to develop synthetic molecules and materials that are capable of mimicking biological recognition and function, intensive research in the fields of synthetic receptor technologies, smart materials, synthetic biology and smart indicators has been under way for the past 20-30 years. The development of synthetic receptors continues to grow rapidly. Novel molecular architectures, with ever improving selective binding properties are constantly being described, and in some cases providing much-needed physical insights into the nature of non-covalent interactions and molecular recognition....

Electrochemical methods of chemical analysis have been widely used for many years, the purpose of this volume is to address research and development advances based on new and re-vitalised methods, new materials with enhanced properties and new devices that achieve better electroanalytical signal generation.