先行母音$V_{1}$と$C$間の無音区間SIを変化させると、途中で摩擦音から破擦音に聞こえ方が変化します。 (Dorman et al., Journal of Phonetics, 8, 397-405,1980; 安ら, 日本音響学会春季研究発表会, 2010)
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P. Howell and S. Rosen, “Production and perception of rise time in the voiceless affricate/fricative distinction,” J. Acoust. Soc. Am., 73(3):976–984, 1983.
Kluender, K. R. and Walsh, M. A. “Amplitude rise time and the perception of the voiceless affricate/fricative distinction,” Percept. Psychophys., 51(4):328–333, 1992.
Mitani, S., Kitama, T. and Sato, Y., “Voiceless affricate/fricative distinction by frication duration and amplitude rise slope,” J. Acoust. Soc. Am., 120(3):1600–1607, 2006.
Amano S. and Yamakawa, K., “Perception and production boundaries between fricative [s] and affricate [ts] in Japanese,” Proc. of ICPhS XVII, Hong Kong, 228–231, 2011.
Yasu, K., Arai, T., Kobayashi, K., Shindo, M., “Weighting of acoustic cues shifts to frication duration in identification of fricatives/affricates when auditory properties are degraded due to aging,” Proc. of INTERSPEECH2013, Lyon, France, 2013 (to be published).
Repp, B. H., Liberman, A. M., Eccardt, T. and Pesetsky, D., “Perceptual integration of acoustic cues for stop, fricative, and affricate manner,” J. Exp. Psychol. Hum. Percept. Perform., 4(4):621–637, 1978.
Dorman, M. F., Raphael, L. J. and Isenberg, D., “Acoustic cues for a fricative-affricate contrast in word-final position,” J. Phonetics, 8:394–405, 1980.
Gordon-Salant, S., Yeni-Komshian, G. H., Fitzgibbons, P. J. and Barrett, J., “Age-related differences in identification and discrimination of temporal cues in speech segments,” J. Acoust. Soc. Am., 119(4):2455–2466, 2006.