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논문 기본 정보

자료유형
학술저널
저자정보
Byunggon Yang (Pusan National University)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제13권 제3호
발행연도
2021.9
수록면
31 - 37 (7page)

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초록· 키워드

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The fundamental frequency, or f0, is an important acoustic measure in the prosody of human speech. The current study examined the f0 distribution of a corpus of spontaneous speech in order to provide normative data for Korean speakers. The corpus consists of 40 speakers talking freely about their daily activities and their personal views. Praat scripts were created to collect f0 values, and a majority of obvious errors were corrected manually by watching and listening to the f0 contour on a narrow-band spectrogram. Statistical analyses of the f0 distribution were conducted using R. The results showed that the f0 values of all the Korean speakers were right-skewed, with a pointy distribution. The speakers produced spontaneous speech within a frequency range of 274 ㎐ (from 65 ㎐ to 339 ㎐), excluding statistical outliers. The mode of the total f0 data was 102 ㎐. The female f0 range, with a bimodal distribution, appeared wider than that of the male group. Regression analyses based on age and f0 values yielded negligible R-squared values. As the mode of an individual speaker could be predicted from the median, either the median or mode could serve as a good reference for the individual f0 range. Finally, an analysis of the continuous f0 points of intonational phrases revealed that the initial and final segments of the phrases yielded several f0 measurement errors. From these results, we conclude that an examination of a spontaneous speech corpus can provide linguists with useful measures to generalize acoustic properties of f0 variability in a language by an individual or groups. Further studies would be desirable of the use of statistical measures to secure reliable f0 values of individual speakers.

목차

Abstract
1. Introduction
2. Method
3. Results and Discussion
4. Summary and Conclusion
References

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