Quality of a vowel with formant undershoot: a preliminary perceptual study. - Shinichi Tokuma (EUROSPEECH, 1997)

The effect of reduced spectral information on Japanese consonant perception: comparison between L1 and L2 listeners. - Masahiko Komatsu; Won Tokuma; Shinichi Tokuma; Takayuki Arai (INTERSPEECH, 2000)

Quality perception of vowels with simulated /CVC/ formant trajectories. - Shinichi Tokuma (Speech Commun., 2000)

Modelling the perceptual identification of Japanese consonants from LPC cepstral distances. - Masahiko Komatsu; Shinichi Tokuma; Won Tokuma; Takayuki Arai (INTERSPEECH, 2001)

Multi-dimensional analysis of sonority: perception, acoustics, and phonology. - Masahiko Komatsu; Shinichi Tokuma; Won Tokuma; Takayuki Arai (INTERSPEECH, 2002)

Perception of English lexical stress by English and Japanese speakers: effect of duration and "realistic" intensity change. - Shinichi Tokuma (INTERSPEECH, 2003)

Perceptual space of English fricatives for Japanese learners. - Won Tokuma; Shinichi Tokuma (INTERSPEECH, 2005)

The effect of F0 peak-delay on the L1 / L2 perception of English lexical stress. - Shinichi Tokuma; Yi Xu (INTERSPEECH, 2009)

L1/L2 Perception of Lexical Stress with F0 Peak-Delay: Effect of an Extra Syllable Added. - Shinichi Tokuma; Yi Xu (INTERSPEECH, 2011)

Perception of English minimal pairs in noise by Japanese listeners: does clear speech for L2 listeners help? - Shinichi Tokuma; Won Tokuma (INTERSPEECH, 2013)