Origin: United Kingdom
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mathematical models for speech technology
stephen levinson
Synopsis "mathematical models for speech technology"
this book presents the motivations for, intuitions behind, and basic mathematical models of natural spoken language communication. a comprehensive overview is given of all aspects of the problem from the physics of speech production through the hierarchy of linguistic structure and ending with some observations on language and mind. it can be seen as either a mathematical theory of language or an outline of the mathematics on which the technologies of speech recognition and speech synthesis are based. the author explores the argument that these modern technologies are actually the most extensive compilations of linguistic knowledge available.throughout the book, the emphasis is on placing all the material in a mathematically coherent and computationally tractable framework which captures linguistic structure. it presents material that appears nowhere else and gives a unification of formalisms and perspectives used by linguists and engineers. its unique features include a coherent nomenclature that emphasizes the deep connections amongst the diverse mathematical models and explores the methods by means of which they capture linguistic structure. this contrasts with some of the superficial similarities described in the existing literature; the historical background and origins of the theories and models; the connections to related disciplines, e.g. artificial intelligence, automata theory and information theory; an elucidation of the current debates and their intellectual origins; many important little-known results and some original proofs of fundamental results, e.g. a geometric interpretation of parameter estimation techniques for stochastic models and finally the author ` s own unique perspectives on the future of this discipline.there is a vast literature on speech recognition and synthesis however this book is unlike any other in the field. although it appears to be a rapidly advancing field, the fundamentals have not changed in decades. most of the results are presented in journals from which it is difficult to integrate and evaluate all of these recent ideas. some of the fundamentals have been collected into textbooks which give detailed descriptions of the techniques but no motivation or perspective. the linguistic texts are mostly descriptive and pictorial, lacking the mathematical and computational aspects. this book strikes a useful balance by covering a wide range of ideas in a common framework. it provides all the basic algorithms and computational techniques and an analysis and perspective which allows one to intelligently read the latest literature and understand state-of-the-art techniques as they evolve.
