The week's pick
Reseach Article
Speech Recognition System and Isolated Word Recognition based on Hidden Markov Model (HMM) for Hearing Impaired
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 73 - Number 20 |
| Year of Publication: 2013 |
| Authors: S. Ananthi, P. Dhanalakshmi |
10.5120/13012-0241
|
S. Ananthi, P. Dhanalakshmi . Speech Recognition System and Isolated Word Recognition based on Hidden Markov Model (HMM) for Hearing Impaired. International Journal of Computer Applications. 73, 20 ( July 2013), 30-34. DOI=10.5120/13012-0241
Abstract
The ability of a reader to recognize written words correctly, virtually and effortlessly is defined asWord Recognition or Isolated Word Recognition. It will recognize each word from their shape. Speech Recognition is the operating system which enablesto convert spoken words to written text which is called as Speech to Text (STT) method. Usual Method used in Speech Recognition (SR) is Neural Network, Hidden Markov Model (HMM) and Dynamic Time Warping (DTW). The widely used technique for Speech Recognition is HMM. Hidden Markov Model assumes that successive acoustic features of a spoken word are state independent. The occurrence of one feature is independent of the occurrence of the others state. Here each single unit of word is considered as state. Based upon the probability of the state it generates possible word sequence for the spoken word. Instead of listening to the speech, the generated sequence of text can be easily viewed. Each word is recognized from their shape. People with hearing impaired can make use of this Speech Recognition.
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