ABSTRACT

Speech communication is an essential part of humans. It is natural in humans but artificial in machines. Speech waveform defines the message communicated along with various parameters regarding the speaker. It may be about his/ her age group, gender, and emotions. Speech processing has different areas according to its applications, such as in communication, reproduction of speech signal, and its transmission and recognition of speaker or speech. The speech recognition system means letting a machine to understand voice. In this chapter, the speech recognition fundamentals, features, and difficulties faced are explored.