1) M. Chait, S. Greenberg, T. Arai, J. Z. Simon and D. Poeppel, ``Multi-time resolution analysis of speech: Evidence from psychophysics,'' Frontiers in Neuroscience, Vol. 9, Article 214, pp.1-10, June. 2015.
DOI: 
[Abstract] 


2) K. Yasu, T. Arai, T. Endoh, K. Kobayashi and M. Shindo, gRelationship between broadening of auditory filter bandwidth near 2 kHz and speech discrimination/identification of monosyllables /de/ and /ge/ by Japanese young and elderly listeners,h Acoust. Sci. Tech, Vol. 36, No. 1, pp. 35-38, January, 2015.
DOI: 
[Abstract] 

3) H. Masuda, T. Arai & S. Kawahara, gIdentification of English consonants in intervocalic contexts in multispeaker babble noise by Japanese listeners: Correlation between English proficiency and consonant identification ability,h Acoust. Sci. Tech, Vol. 36, No. 1, pp.31-34, January, 2015.
[Abstract] 


4) M. Kasuya and T. Arai, gEffect of learners' proficiency on speech production of vowel reduction in German suffixes,h J. Acoust. Sci. Jpn., Vol. 71, No. 1, pp. 7-13. (in Japanese)
[Abstract]


5) T. Sannohe, T. Arai and K. Yasu, gA method of creating a speech masker using a database in a sound-masking system,h J. Acoust. Sci. Jpn., Vol. 71, No. 8, pp. 382-389. (in Japanese)
DOI:
[Abstract] 

6) E. Yanagisawa and T. Arai, gEffects of formant transition and intensity damping of preceding vowel off-glide on perception of Japanese geminate consonant Sokuon,h J. Acoust. Sci. Jpn., Vol. 71, No. 10, pp. 505-515, October, 2015. (in Japanese)
DOIF@
[Abstract] 


7) H. Kawata, T. Arai, K. Yasu, K. Kobayashi and M. Shindo, gPerception of geminate fricative consonants in Japanese by elderly people: Effects of degradation of auditory properties,h J. Acoust. Sci. Jpn., Vol. 71, No. 12, pp. 653-660, December 2015. (in Japanese)
[Abstract]


8) T. Arai, H. Mori, Shoutokusyu "Onsei ha nani wo tsutaeteiruka ni atatte",  J. Acoust. Sci. Jpn., Vol. 71, No. 9, pp. 459-460, September 2015. (in Japanese)
[Abstract]


9)  T. Arai. gPhysical models of the vocal tract sound different with the same shape but different temporal characteristics and vice versah, Proc. of International Congress of Phonetic Sciences, Glasgow, August, 2015.
[Abstract] 


10) T. Arai, gHands-On Tool Producing Front Vowels for Phonetic Education: Aiming for Pronunciation Training with Tactile,h Proc. of INTERSPEECH, pp.1695-1699, Dresden, September, 2015. 
[Abstract]


11) T. Arai, gTwo Extensions of Umeda and Teranishifs Physical Models of the Human Vocal Tract,h Proc. of INTERSPEECH, pp.2605-2606, Dresden, September, 2015.

12) M. Ishida, T. Arai, gPerception of an Existing and Non-Existing L2 English Phoneme Behind Noise by Japanese Native Speakers,h Proc. of INTERSPEECH, pp.3408-3411, Dresden, September, 2015.
[Abstract] 


13) N. Hodoshima, T. Arai and K. Kurisu, ``Lombard-like effect against reverberation improves speech intelligibility in reverberation,'' Proc. of the Western Pacific Acoustics Conference (WESPAC), pp. 93-97, Singapore, December, 2015.
[Abstract] [PDF]


14) M. Ishida, A.G. Samuel, and T. Arai, "Perceptual Restoration: Phonemes vs. Locally Time-reversed Words", International Convention of Psychological Science (ICPS), Amsterdam, March 2015.
[Abstract] 


15) N. Hodoshima, T. Arai and K. Kurisu, "Improving speech intelligibility applied by reverberant-induced speech at public spaces ", Nihon onkyou gakkai tyoukaku kenkyuukai shiryou, Vol.15, No.5Cpp.443-447, 2015. (in Japanese)
[Abstract]


16) T. Kimura and T. Arai, gSupeingono /y/ no nihongo bogowasha ni yoru hanchuuteki chikaku oyobi gnihongo namari hno aru /y/ ni taisuru supeingo bogowasha no syukan hyouka,hOnseikenkyuu, pp.68, June, 2015. (in Japanese)
[Abstract]


17) T. Kimura and T. Arai, "Supeingo bogowasya to nihonzinsupeingogakusyuusya niyoru supeingo kyouseitikaku no hikaku", Nihononseigakkaizenkokutaikaiyokousyuu, pp. 80-85, Octber, 2015.(in Japanese)
[Abstract]


18) A. Watanabe, H. Yoshihata,  M.  Shindo,  and  T. Arai, "kouonnsokudo no teigenn to pouzu no sounyuu ga sitsugosyousya no tyoukakutekirikai ni ataeru eikyou", nihon komyunikeisyon syougaigakkai gakuzyutsukouenkaiyokousyuu,  p.64, May, 2015. (in Japanese)
 [Abstract]


19) R. Uchida and T. Arai, gA case study of the pattern of Japanese /shi/ articulation with using ultrasound,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 303-304, May, 2015.(in Japanese)
[Abstract] [PDF]


20) E. Yanagisawa and T. Arai, gEffects of a formant transition of preceding vowel off-glide on perception of Japanese fricative geminate consonant sokuon,h Proc. Spring Meet. Acoust. Soc. Jpn, .pp. 305-306, May, 2015. (in Japanese)
[Abstract]


21) T. Kimura and T. Arai, gNative speakers' subjective evaluation of epenthetic vowels in Spanish word-initial consonant clusters /tr-/ and /fr-/,h Proc. Spring Meet. Acoust. Soc. Jpn, pp. 349-350, May, 2015.(in Japanese)
[Abstract]

22) T. Arai & M. Budhiantho, gEducation in acoustics of nasalized vowels using physical models of the human vocal tract with nasal cavity,h Proc. Spring Meet. Acoust. Soc. JpnCpp. 1291-1294, May, 2015.
[Abstract]
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23) T. Arai, gFrom pattern playback to spectrogram vocoder,h Proc. Spring Meet. Acoust. Soc. JpnCpp. 1375-1378, May, 2015.(in Japanese)
[Abstract] 


24) H. Kawata, T. Arai, K. Yasu and E. Yanagisawa, gPerception of geminate affricate consonants by elderly people whose auditory properties are deteriorated,h Proc. Spring Meet. Acoust. Soc. Jpn, pp. 1313-1316, May, 2015.(in Japanese)
[Abstract]


25) K. Tomaru & Takaruki Arai, gAcoustic comparison between English schwa and Japanese vowels in spontaneous speech in terms of low-order formant frequencies,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 323-326, September, 2015. (in Japanese)
[Abstract]


26) N. Hodoshima, T. Arai, K. Kurisu, gImproving speech intelligibility by reverberant-induced speech at public spaces: Effect of speaker difference on speech intelligibility,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 415-416, September, 2015.(in Japanese)
[Abstract]


27)  J. Moore and T. Arai, gArticulation of English consonant clusters by native English speakers and Japanese speakers,h Proc. Autumn Meet. Acoust. Soc. JpnCpp. 259-260, September, 2015.(in Japanese)
[Abstract]


28) M. Yoshioka, T. Arai, K. Yasu and H. Otsuki, gEffect of Acoustic Adjustments in the Text-to-Speech Synthesis Based on Speaker's Moraic Sound: Focus on the Fundamental Frequency and the Spectral Characteristics of Speech,h Proc. Autumn Meet. Acoust. Soc. Jpn, pp. 1239-1242, September, 2015.(in Japanese)
[Abstract]


29) Y. Amimoto and T. Arai, gA Study of Sound Symbolism,h Proc. Autumn Meet. Acoust. Soc. Jpn., 491-494, September, 2015.(in Japanese)
[Abstract]

30) A. Nakajima and T. Arai, gStudy on improving work environment by masking meeting sounds,h Proc. Autumn Meet. Acoust. Soc. Jpn, pp. 1033-1036, September, 2015.(in Japanese)
[Abstract] 

31) T. Arai, T. Kimura and R. Uchida, gProducing Estonian vowels by using physical models of vocal tract,h Proc. Autumn Meet. Acoust. Soc. Jpn, pp. 345-348, September, 2015.(in Japanese)
[Abstract] 

32) T. Arai, `` Vocal-tract models old and new: From Chiba to Arai,'' Annual Meeting of Sophia University Linguistic Society, Jul. 2015. (Invited Talk) (in Japanese)
[Abstract]