A Review of Feature Extraction Technique for Automatic Speech Recognition
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Review Papers | Electronics & Communication Engineering | India | Volume 4 Issue 2, February 2015 | Popularity: 6.2 / 10


     

A Review of Feature Extraction Technique for Automatic Speech Recognition

Sandeep Joshi, Parag Parandkar


Abstract: Speech recognition is a multileveled pattern recognition task, in which acoustical signals are examined and structured into a hierarchy of subword units (e. g. , phonemes), words, phrases, and sentences. Each level may provide additional temporal constraints, e. g. , known word pronunciations or legal word sequences, which can compensate for errors or uncertainties at lower levels. This hierarchy of constraints can best be exploited by combining decisions probabilistically at all lower levels, and making discrete decisions only at the highest level. .


Keywords: ASR, Mel frequency, Cepstrum coefficient, feature & vector space, distance measurement


Edition: Volume 4 Issue 2, February 2015


Pages: 435 - 440



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Sandeep Joshi, Parag Parandkar, "A Review of Feature Extraction Technique for Automatic Speech Recognition", International Journal of Science and Research (IJSR), Volume 4 Issue 2, February 2015, pp. 435-440, https://www.ijsr.net/getabstract.php?paperid=SUB151198, DOI: https://www.doi.org/10.21275/SUB151198

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