| 2001 | Interspeech | Prototype of a vocal-tract model for vowel production designed for education in speech science. | Takayuki Arai, Nobuyuki Usuki, Yuji Murahara |
| 2001 | Interspeech | Human language identification with reduced segmental information: comparison between monolinguals and bilinguals. | Masahiko Komatsu, Kazuya Mori, Takayuki Arai, Yuji Murahara |
| 2001 | Interspeech | Using the modulation complex wavelet transform for feature extraction in automatic speech recognition. | Yasunori Momomura, Kenji Okada, Takayuki Arai, Noboru Kanedera, Yuji Murahara |
| 2000 | ICASSP | The DSP experiments for under graduate students. | Y. Fuchiwaki, Nobuyuki Usuki, Takayuki Arai, Yuji Murahara |
| 2000 | ICASSP | Modulation enhancement of speech as a preprocessing for reverberant chambers with the hearing-impaired. | Akiko Kusumoto, Takayuki Arai, Tomoko Kitamura, M. Takahashi, Yuji Murahara |
| 2000 | ICASSP | The effect of polarity inversion of speech on human perception and data hiding as an application. | Shino Sakaguchi, Takayuki Arai, Yuji Murahara |
| 2000 | Interspeech | Designing modulation filters for improving speech intelligibility in reverberant environments. | Tomoko Kitamura, Keisuke Kinoshita, Takayuki Arai, Akiko Kusumoto, Yuji Murahara |
| 2000 | Interspeech | Using the modulation wavelet transform for feature extraction in automatic speech recognition. | Kenji Okada, Takayuki Arai, Noburu Kanederu, Yasunori Momomura, Yuji Murahara |
| 1999 | Interspeech | Human language identification with reduced spectral information. | Kazuya Mori, Noriaki Toba, Tomoyuki Harada, Takayuki Arai, Masahiko Komatsu, Makiko Aoyagi, Yuji Murahara |