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Statistical Relationships among the First Three Formant Frequencies in Vowel Segments in Continuous Speech

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Published/Copyright: November 19, 2009

Abstract

Statistical relationships among F<sub>1</sub> F<sub>2</sub> and F<sub>3</sub> in vowel segments in continuous speech were investigated with 909 vowel samples from Japanese sentences uttered by 4 adult male speakers. Determined by minimizing the square errors from the measured F<sub>3</sub>, two separate planes corresponding to front and back vowels are situated in the F<sub>1</sub>F<sub>2</sub>F<sub>3</sub> space to obtain the F<sub>3</sub> values estimated from F<sub>1</sub> and F<sub>2</sub>. Estimation errors are found to be comparable to difference limens in hearing. Also, uniform/nonuniform formant frequency scaling is discussed in terms of physical differences in the planes for individual speakers.


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Received: 1981-07-20
Accepted: 1981-09-14
Published Online: 2009-11-19
Published in Print: 1982-01-01

© 1982 S. Karger AG, Basel

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