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Description

Speech is the first important primary need, and the most convenient means of communication between people. The communication among human computer interaction is called human computer interface.In this paper,a novel system is designed that converts speech to text. Here the design of sphinx-4 is explained step by step.Sphinx-4 is a flexible, modular and pluggable framework to help foster new innovations in the core research of hidden Markov model (HMM) recognition systems.The design of Sphinx-4 is based on patterns that have emerged from the design of past systems as well as new requirements based on areas that researchers currently want to explore.To exercise this framework, and to provide researchers with a ”research-ready” system, Sphinx-4 also includes several implementations of both simple and state-of-the-art techniques.