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KMID : 0917520000070020127
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Journal of Speech Sciences
2000 Volume.7 No. 2 p.127 ~ p.137
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An acoustical analysis method of numeric sounds by Praat
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Abstract
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This paper presents a macro script to analyze numeric sounds by a speech analysis shareware, Praat, and analyzes those sounds produced by thee students who were born and raised in Pusan. Recording was dong in a quiet office. To make a meaningful comparison, dynamic time points in relation to the total duration of voicing segments were determined to measure acoustical values. Results showed that a strong correlation coefficient was found between the repetitive production of numeric sounds within and across the speakers. Very high coefficients among diphthongal numbers (0 and 6) which usually show wide formant variation were noticed. This supports that each speaker produced numbers quite coherently. Also, the frequency differences between the three subjects were within a perceptually similar range. To identify a speaker among others may require to find subtle individual differences within this range. Perceptual experiments by synthesized numeric sounds may lead to resolve the issue.
Keywords : Praat, numbers, acoustical comparison, speaker identification
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