Liu Hanjun, Wan Mingxi, Wang Supin, Wang Xiaodong, Lu Chunmei
The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Department of Biomedical Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China.
J Acoust Soc Am. 2005 Aug;118(2):1016-25. doi: 10.1121/1.1942349.
The present study attempted to investigate the acoustic characteristics of Mandarin laryngeal and esophageal speech. Eight normal laryngeal and seven esophageal speakers participated in the acoustic experiments. Results from acoustic analyses of syllables /ma/and /ba/ indicated that, F0, intensity, and signal-to-noise ratio of laryngeal speech were significantly higher than those of esophageal speech. However, opposite results were found for vowel duration, jitter, and shimmer. Mean F0, intensity, and word per minute in reading were greater but number of pauses was smaller in laryngeal speech than those in esophageal speech. Similar patterns of F0 contours and vowel duration as a function of tone were found between laryngeal and esophageal speakers. Long-time spectra analysis indicated that higher first and second formant frequencies were associated with esophageal speech than that with normal laryngeal speech.
本研究试图探究汉语喉发声和食管发声的声学特征。八名正常喉发声者和七名食管发声者参与了声学实验。对音节/ma/和/ba/的声学分析结果表明，喉发声的基频、强度和信噪比显著高于食管发声。然而，在元音时长、基频微扰和振幅微扰方面发现了相反的结果。喉发声时，平均基频、强度和每分钟阅读字数比食管发声时更大，但停顿次数更少。喉发声者和食管发声者之间发现了相似的基频轮廓模式和作为声调函数的元音时长模式。长期频谱分析表明，与正常喉发声相比，食管发声的第一和第二共振峰频率更高。
