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http://dx.doi.org/10.7776/ASK.2012.31.6.353

Nasal Place Detection with Acoustic Phonetic Parameters  

Lee, Suk-Myung (연세대학교 전기전자공학과)
Choi, Jeung-Yoon (연세대학교 전기전자공학과)
Kang, Hong-Goo (연세대학교 전기전자공학과)
Publication Information
The Journal of the Acoustical Society of Korea / v.31, no.6, 2012 , pp. 353-358 More about this Journal
Abstract
This paper describes acoustic phonetic parameters for detecting nasal place in a knowledge-based speech recognition system. Initial acoustic phonetic parameters are selected by studying nasal production mechanisms which are radiation of the sound through the nasal cavity. Nasals are produced with differing articulatory configuration which can be classified by measuring acoustic phonetic parameters such as band energy ratio, band energy differences, formants and formant differences. These acoustic phonetic parameters were tested in a classification experiment among labial nasal, alveolar nasal and velar nasal. An overall classification rate of 57.5% is obtained using the proposed acoustic phonetic parameters on the TIMIT database.
Keywords
Nasal; Nasal place; Acoustic phonetic parameters; Speech recognition;
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