Acoustic characteristics of Mandarin affricates

doi:10.16511/j.cnki.qhdxxb.2016.26.012

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Abstract This study investigated the relationships between acoustic parameters and phonetic features for six Mandarin affricates. The nine acoustic parameters including the duration, amplitude, spectral energy distribution, and F2 onset of the following vowel were extracted by Praat. An ANOVA analysis was used to show which acoustic parameters that can statistically distinguish the three places of articulation, two states of aspiration, and two following vowels. A discriminant analysis showed that the combination of all nine acoustic parameters gave a 85.9% recognition rate for the six affricates. A principle component analysis showed that the first five components contributed 86.3% of the information for the affricates. The spectral energy distribution parameters of the frication are the most important acoustic parameters for Mandarin affricates, some of which mainly contribute to the articulation location while others mainly contribute to the state of aspiration. The normalized duration and amplitude of the frication are the next important parameters, contributing to both the state of aspiration and to the following vowel. The F2 onset of the following vowel is affected by the place of articulation of the affricate.

Keywords Mandarin speech affricate acoustic parameter phonetic feature

ZTFLH:	H012
	H017
	H116.2

Issue Date: 15 November 2016

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	LI Shanpeng
	GU Wentao

Cite this article:

LI Shanpeng,GU Wentao. Acoustic characteristics of Mandarin affricates[J]. Journal of Tsinghua University(Science and Technology), 2016, 56(11): 1202-1208.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2016.26.012 OR http://jst.tsinghuajournals.com/EN/Y2016/V56/I11/1202

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