Digital life assistant using automated speech recognition

Physical interaction in order to provide commands or gain access to a computer system is now a history. Voice or speech stimulated systems are a part of modern Smartphone culture. Automatic Speech Recognition is an important application of artificial intelligence. This paper provides a brief description of what automatic speech recognition is its various types and a overview of how the process works. After a precise review of Hidden Markov Model (HMM) & Mel Spectrum Cestrum Coefficient (MFCC), this paper discusses about the history of this technology, future aspects and scope. Applications of the technology in various fields are also discussed.