• Ms.Puspa Machhar
• Mr.Dipak Agrawal

Speech recognition deals with identifying the spoken words and converting it into equivalent text form.Many application use speech recognition such as direct voice input in aircraft, data entry, speech-to-text processing, voice user interfaces such as voice dialing and many more. Many hand-held devices support voice commands for operating the devices but many few of them supports the facility in local languages. The Speech is most prominent & primary mode of Communication among of human being. The communication among human computer interaction is called human computer interface. Speech has potential of being important mode of interaction with computer. The objective of this review paper is to summarize and compare some of the well-known methods used in various stages of speech recognition system and identify research topics.

Speech Recognition,Hidden MarkovModel (HMM), feature extraction.

"A survey on Guajarati language recognition", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.3, Issue 1, page no.43-46, January-2016, Available :http://www.jetir.org/papers/JETIR1601009.pdf

"A survey on Guajarati language recognition", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.3, Issue 1, page no. pp43-46, January-2016, Available at : http://www.jetir.org/papers/JETIR1601009.pdf