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Review Papers | Electronics & Communication Engineering | India | Volume 4 Issue 6, June 2015
Review on Speech Recognition Techniques
Sachin R Jaybhaye | Dr P. K. Srivastava
Abstract: Speech has evolved as a primary form of communication between humans. The advent of digital technology, gave us highly versatile digital processors with high speed, low cost and high power which enable researchers to transform the analog speech signals in to digital speech signals that can be scientifically studied. Achieving higher recognition accuracy, low word error rate and addressing the issues of sources of variability are the major considerations for developing an efficient Automatic Speech Recognition system. In speech recognition, feature extraction requires much attention because recognition performance depends heavily on this phase. In this paper, an effort has been made to highlight the progress made so far in the feature extraction phase of speech recognition system and an overview of technological perspective of an Automatic Speech Recognition system are discussed.
Keywords: Feature Extraction, Linear predictive coding LPC, Mel-Frequency Cestrum Coefficient MFCC, Speech Recognition, Vector Quantization VQ
Edition: Volume 4 Issue 6, June 2015,
Pages: 1204 - 1208
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