The so-called English speech recognition is a kind of speech recognition, and the object of recognition is mainly English. The so-called speech recognition here is automatic speech recognition in English, abbreviated as ASR. It mainly converts the lexical content of human voice into computer-readable input, which is generally understandable text content, and may also be binary code or character sequence.

Functions of speech recognition:

Speech recognition is a cutting-edge technology integrating multi-disciplinary knowledge, covering basic and cutting-edge disciplines such as mathematics and statistics, acoustics and linguistics, computer and artificial intelligence, and it is a key link in human-computer natural interaction technology.

However, since its birth more than half a century ago, speech recognition has not been generally recognized in practical application. On the one hand, it is related to the technical defects of speech recognition, and its recognition accuracy and speed can not meet the requirements of practical application; On the other hand, it is related to the high expectations of the industry for speech recognition. In fact, speech recognition and keyboard, mouse or touch screen should be integrated, not replaced.