Abstract
In this paper, we study the relations between phoneticfeatures and acoustical signals. Because of the periodicitycharacteristic of voiced sounds, a period of a signal may be expandedin the Fourier series. A hypothesis that thecharacteristics of a simple vowel depend only on a period T andthe coefficients \(\sqrt {a_i^2 + b_i^2 } \) of a period of the simplevowel, where ai and bi are Fourier coefficients, is proposed. The characteristics of a diphthong depend on data of two simplevowels. The hypothesis is verified by synthesis and applied torecognition of vowels. Experiments are done for Mandarin syllables.A rule of changing tones and the characteristic of a stress sound arealso provided in this study.
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Shen, SY., Wu, J. & Lin, HC. An Acoustical Study of Syllables of Mandarin Speech. International Journal of Speech Technology 3, 27–34 (1999). https://doi.org/10.1023/A:1009674709788
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DOI: https://doi.org/10.1023/A:1009674709788