An Overview of Speech Recognition Systems

This chapter presents an introduction to automatic speech recognition systems. It includes the mathematical formulation of speech recognizers. The main components of speech recognition systems are introduced: Front-end signal processing, acoustic models, decoding, training, language model, and pronunciation dictionary. Additionally, a brief literature review of speech recognition systems is also provided. Viterbi and Baum–Welch algorithms are also discussed as the fundamental techniques for decoding and training phases, respectively.

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