1) T. Arai and Y. Yoshida, ``Study on zero-crossings of speech signals by means of analytic signal,'' Journal of the Acoustical Society of Japan, Vol. 46, No. 3, pp. 242-244, 1990 (in Japanese).
[Abstract] [PDF (155 kB)]

2) T. Arai and Y. Yoshida, ``A restoration of speech signal from zero-crossings: A study of speech signal processing based on zero-crossings,'' Journal of the Acoustical Society of Japan, Vol. 48, No. 7, pp. 474-482, 1992 (in Japanese).
[Abstract] [PDF (584 kB)]

3) T. Arai and Y. Yoshida, ``A method of speech signal analysis by zero-crossings,'' Proc. of the International Symposium on Signal Processing and its Applications, Vol. 1, pp. 283-286, Gold Coast, 1992.
[Abstract] [PDF (153 kB)]

4) Y. K. Muthusamy, K. M. Berkling, T. Arai, R. A. Cole and E. Barnard, ``A comparison of approaches to automatic language identification using telephone speech,'' Proc. of the European Conf. on Speech Communication and Technology (Eurospeech), Vol. 2, pp. 1307-1310, Berlin, 1993.
[Abstract] [PDF (365 kB)]

5) S. Hirai, K. Okazaki and T. Arai, ``A quantitative evaluation of hypernasality in children: Using the slope of spectrum envelope,'' Japan Journal of Logopedics and Phoniatrics, Vol. 35, No. 2, pp. 199-206, 1994 (in Japanese).
[Abstract] [PDF (693 kB)]

6) K. M. Berkling, T. Arai and E. Barnard, ``Analysis of phoneme-based features for language identification,'' Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 1, pp. 289-292, Adelaide, 1994.
[Abstract] [PDF (330 kB)]

7) T. Arai, ``Automatic language identification using sequential information of phonemes,'' IEICE Trans. on Information and Systems, Vol. E78-D, No. 6, pp, 705-711, 1995.
[Abstract] [PDF (571 kB)]

8) T. Arai, K. Okazaki and S. Imatomi, ``Palatalized articulation of [s] sounds using synthetic speech,'' Japan Journal of Logopedics and Phoniatrics, Vol. 36, No. 3, pp. 350-354, 1995 (in Japanese).
[Abstract] [PDF (354 kB)]

9) T. Arai, K. Okazaki, S. Imatomi and Y. Yoshida, ``Analysis for palatalized articulation of [s] sounds using synthetic speech,'' Proc. of the European Conf. on Speech Communication and Technology (Eurospeech), Vol. 3, pp. 1725-1728, Madrid, 1995.
[Abstract] [PDF (294 kB)]

10) T. Arai, H. Hermansky, M. Pavel and C. Avendano, ``Intelligibility of speech with filtered time trajectories of spectral envelopes,'' Proc. of the International Conf. on Spoken Language Processing (ICSLP), Vol. 4, pp. 2490-2493, Philadelphia, 1996.
[Abstract] [PDF (163 kB)]

11) T. Arai and Y. Yoshida, ``Reconstruction of a signal using the spectrum-reversal technique,'' IEEE Trans. on Signal Processing, Vol. 45, No. 10, pp. 2593-2595, 1997.
[Abstract] [PDF (187 kB)]

12) T. Arai, K. Okazaki, S. Imatomi and Y. Yoshida, ``Acoustical and perceptual cues of the palatalized articulation of /s/,'' Journal of the Acoustical Society of Japan, Vol. E-18, No. 6, pp. 297-304, 1997.
[Abstract] [PDF (631 kB)]

13) T. Arai and S. Greenberg, ``The temporal properties of spoken Japanese are similar to those of English,'' Proc. of the European Conf. on Speech Communication and Technology (Eurospeech), Vol. 2, pp. 1011-1014, Rhodes, 1997.
[Abstract] [PDF (72 kB)]

14) N. Kanedera, T. Arai, H. Hermansky and M. Pavel, ``On the importance of various modulation frequencies for speech recognition,'' Proc. of the European Conf. on Speech Communication and Technology (Eurospeech), Vol. 3, pp. 1079-1082, Rhodes, 1997.
[Abstract] [PDF (130 kB)]

15) S. Greenberg and T. Arai, ``Speech intelligibility is highly tolerant of cross-channel spectral asynchrony,'' Proc. of the International Congress on Acoustics, Vol. 4, pp. 2677-2678, Seattle, 1998.
[Abstract] [PDF (199 kB)]

16) T. Arai and S. Greenberg, ``Speech intelligibility in the presence of cross-channel spectral asynchrony,'' Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 2, pp. 933-936, Seattle, 1998.
[Abstract] [PDF (186 kB)]

17) N. Kanedera, H. Hermansky and T. Arai, ``On properties of modulation spectrum for robust automatic speech recognition,'' Proc. of the IEEE International Conf. on Acoustics, Speech, and Signal Processing (ICASSP), Vol. 2, pp. 613-616, Seattle, 1998.
[Abstract] [PDF (52 kB)]

18) S. Greenberg, T. Arai and R. Silipo, ``Speech intelligibility derived from exceedingly sparse spectral information,'' Proc. of the International Conf. on Spoken Language Processing (ICSLP), Vol. 6, pp. 2803-2806, Sydney, 1998.
[Abstract] [PDF (260 kB)]