| 2002 | Interspeech | Frequency dependence of vocal-tract length. | Takuya Niikawa, Takanori Ando, Masafumi Matsumura |
| 2000 | Interspeech | Measurement of palatolingual contact pressure and tongue force using a force-sensor-mounted palatal plate. | Masafumi Matsumura, Takuya Niikawa, Taku Torii, Hitoshi Yamasaki, Hisanaga Hara, Takashi Tachimura, Takeshi Wada |
| 2000 | Interspeech | Modeling of a speech production system based on MRI measurement of three-dimensional vocal tract shapes during fricative consonant phonation. | Takuya Niikawa, Masafumi Matsumura, Takashi Tachimura, Takeshi Wada |
| 1998 | Interspeech | Cantilever-type force-sensor-mounted palatal plate for measuring palatolingual contact stress and pattern during speech phonation. | Masafumi Matsumura, Takuya Niikawa, Takao Tanabe, Takashi Tachimura, Takeshi Wada |
| 1998 | Interspeech | FEM analysis of aspirated air flow in three-dimensional vocal tract during fricative consonant phonation. | Takuya Niikawa, Masafumi Matsumura, Takashi Tachimura, Takeshi Wada |
| 1994 | Interspeech | Measument of palatolingual contact pressure during consonant productions using strain gauge transducer mounted platal plate. | Masafumi Matsumura, Kazuo Kimura, Katsumi Yoshino, Takashi Tachimura, Takeshi Wada |
| 1994 | Interspeech | Measurement of 3d shapes of vocal tract, dental crown and nasal cavity using MRI: vowels and fricatives. | Masafumi Matsumura, Takuya Nukawa, Koji Shimizu, Yasuji Hashimoto, Tatsuya Morita |
| 1992 | Interspeech | Measurement of three-dimensional shapes of vocal tract and nasal cavity using magnetic resonance imaging technique. | Masafumi Matsumura |
| 1990 | Interspeech | Modeling of 3-dimensional vocal tract shapes obtained by magnetic resonance imaging for speech synthesis. | Masafumi Matsumura, Atsushi Sugiura |