1) K. Tomaru and T. Arai, gDiscrimination of /ra/-/la/ speech continuum by native speakers of English under nonisolated conditions,h Acoustical Science and Technology, Vol. 35, No. 5, pp. 251-259, Sept. 2014.
DOI: http://doi.org/10.1250/ast.35.251
[Abstract] [PDF (318 kB)]


2) T. Igeta, M. Sonu and T. Arai, gSound change of /o/ in modern Seoul Korean: Focused on relations with acoustic characteristics and perception,h Journal of the Korean Society of Speech Sciences, pp. 109-119, Sep 2014.
DOI: http://dx.doi.org/10.13064/KSSS.2014.6.3.109
[Abstract] [PDF (353 kB)]


3) T. Arai, gVocal-tract models and their educational applications for intuitive understanding of speech production,h Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 243-251, May 2014 (in Japanese, Invited Paper).
[Abstract] [PDF (1.62 MB)]


4) T. Arai, gAcoustic properties of Japanese /r/ sounds and acquisition of their articulation,h Japanese Journal of Communication Disorders, Vol. 31, No. 1, pp. 30-35, Apr. 2014 (in Japanese).
[Abstract] [PDF (2.22 MB)]


5) K. Tomaru and T. Arai, gPerception of multiple series of English /ra/-/la/ continuum having different end frequencies of formant transitions,h Acoustical Science and Technology, Vol. 35, No. 3, pp. 166-169, May 2014.
DOI: http://doi.org/10.1250/ast.35.166
[Abstract] [PDF (385 kB)]


6) T. Iwanami, T. Arai, K. Yasu and K. Tomaru, gEfficiency of sound masking system for elderly people with degraded auditory properties,h Acoustical Science and Technology, Vol. 35, No. 5, 275-278, Sept. 2014.
DOIFhttp://doi.org/10.1250/ast.35.275@
[Abstract] [PDF (449 kB)]


7) M. Kasuya and T. Arai, gPronunciation of German suffixes by German learners of Japanese: The effect of vowel reduction on learners' speech production and its application to the phonetic education,h Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 277-280, May 2014 (in Japanese). 
[Abstract] [PDF (911 kB)]


8) H. Masuda, T. Arai and 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 Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 284-287, May 2014 (in Japanese). 
[Abstract] [PDF (813 kB)]


9) K. Amino, T. Arai, K. Nakamura, A. Nishimura and S. Yokoyama, gExhibition at `Science Square' hosted by National Museum of Nature and Science,h Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 296-298, May 2014 (in Japanese).
[Abstract] [PDF (2.97 MB)]


10) K. Ashihara, T. Arai and A. Nishimura, gActivities of education in acoustics in recent international conferences,h Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 309-314, May 2014 (in Japanese). 
[Abstract] [PDF (1.13 MB)]


11) I. Wilson, translated from English into Japanese by T. Arai, M. Ishida and A. Mizoguchi, gUsing ultrasound for teaching and researching articulation,h Journal of the Acoustical Society of Japan, Vol. 70, No. 5, pp. 560-564, May 2014.        @
original paper DOI= http://doi.org/10.1250/ast.35.285
translated paper  [PDF (656 kB)]


12) T. Arai, gRetroflex and bunched English /r/ with physical models of the human vocal tract,h Proc. of the INTERSPEECH, pp. 706-710, Singapore, Sep. 2014.
[Abstract] [PDF(838 kB)]


13) F. Satoh, T. Arai and A. Nishimura, gHistory and activities of the Research Committee on Education in Acoustics in ASJ,h Proc. of the Forum Acusticum, Krakow, Sep. 2014 (Invited Talk).
[Abstract] [PDF]


14) T. Arai, gPerceptual cues of Japanese /r/ sounds: Formant transitions vs. intensity dip,h Conference on Laboratory Phonology (LabPhon), p. 71, Tokyo, Jul. 2014.
[Abstract] [PDF (109 kB)]


15) E. Yanagisawa and T. Arai, gEffects of a formant transition of preceding vowel off-glide on perception of Japanese geminate consonant Sokuon,h Conference on Laboratory Phonology (LabPhon), p. 165, Tokyo, Jul. 2014.
[Abstract] [PDF(111 kB)]


16) M. Ishida and T. Arai, gMisperception of connected speech by Japanese learners of English at elementary, intermediate, and advanced levels,h AILA World Congress, Brisbane, Aug. 2014.
[Abstract] [PDF (150 kB)]


17) M. Ishida, A. G. Samuel and T. Arai, gPerception of locally time-reversed words and pseudowords,h Psychonomic Society's Annual Meeting, Long Beach, Nov. 2014.
[Abstract] [PDF (342 kB)]


18) T. Arai, gSpeech analysis using physical models of the human vocal tract,h Adventures in Speech Science, p. 9-10, Tokyo, Jul. 2014. 
 [Abstract] [PDF (1.02 MB)]


19) N. Hodoshima, T. Arai and K. Kurisu, gSignal processing and speech production approaches towards intelligible spoken announcements in public spaces,h Trans. on Tech. Comm. on Architectural Acoustics, The Acoustical Society of Japan, Vol. AA2014-41, pp. 1-8, Nov. 2014.
[Abstract] [PDF]


20) T. Arai, gAcoustic properties of Japanese /r/ sounds and acquisition of their articulation,h Meeting of Japanese Association of Communication Disorders, pp.30-35, 2014 (in Japanese, Invited Talk, The talk was presented in 2013). [Abstract] [PDF (3.86 MB)]


21) K. Tsuchiya, H. Yoshihata, M. Shindo, T. Arai and H. Miyakoda, gShitsugoshou-sha ni okeru heijo-bun/gimon-bun intonation-ninchi ni kansuru kenkyuu: Accent-gata ni yoru hikaku,h Meeting of Japanese Association of Communication Disorders, No.40, J-3, p. 86, May 2014.
[Abstract] [PDF (152 kB)]

22) T. Kimura and T. Arai, gPercepsión del /y/ español pol parte de los hablantes nativos del japonés,h Congreso de la Asociación Japonesa de Hispanitas, Osaka, Oct. 2014.
[Abstract] [PDF]

23) A. Yanagibashi, N. Hodoshima and T. Arai, gThe steady-state suppression for improving speech intelligibility in reverberant environment: The relation between speech intelligibility and mora position/ suppression rate of vowel,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 376-378, Mar. 2014 (in Japanese).
[Abstract] [PDF (452 kB)]


24) T. Igeta, N. Hodoshima and T. Arai, gLombard effect-based improvement in speech intelligibility in reverberant environments: Toward intelligible spoken announcements for non-native speakers of Japanese in public spaces,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 643-644, Mar. 2014 (in Japanese).
[Abstract] [PDF (338 kB)]


25) T. Arai, gLearning acoustic phonetics by utilizing audio and visual information,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 1423-1426, Mar. 2014 (in Japanese, Invited Talk).
[Abstract] [PDF (747 kB)]


26)M. Kasuya and T. Arai, gPerception of vowel reduction by Japanese German learners with different proficiency levels: Effect of learners' proficiency on vowel formant frequency and duration,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 1435-1438, Mar. 2014 (in Japanese).
[Abstract] [PDF (536 kB)]


27) A. Matsumoto and T. Arai, gThe influence of difference in spectrum of pseudo instruments on the pitch discrimination,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 1441-1444, Mar. 2014.
[Abstract] [PDF (713 kB)]


28) C. Oda, T. Yamamoto, M. Murata, Y. Sato, K. Yasu and T. Arai, gApplication of delayed auditory feedback to clinical field: From laboratory to daily life,h Proc. Spring Meet. Acoust. Soc. Jpn., pp.  1467-1468, Mar. 2014 (in Japanese, Invited Talk).
[Abstract] [PDF (405 kB)]


29) K. Yasu, T. Arai, K. Kobayashi and M. Shindo, gEffect of release burst on identification of fricatives/affricates: Comparison of young and elderly listeners,h Proc. Spring Meet. Acoust. Soc. Jpn., pp. 1491-1494, Mar. 2014 (in Japanese).
[Abstract] [PDF (315 kB)] 

30) A. Ota, T. Arai and K. Yasu, gEffect of speaking rate on word intelligibility of speech for outdoor mass notification,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 183-186, Sep. 2014 (in Japanese).
[Abstract] [PDF (492 kB)]

31) H. Kawamoto, T. Arai, K. Amino and K. Yasu, gEffects of emotions on human speaker identification: Comparison of identification results and prosodic properties of the stimuli,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 211-214, Sep. 2014 (in Japanese).
[Abstract] [PDF (627 kB)]

32) S. Sawai, T. Arai and K. Yasu, gWord intelligibility of speech with energetic masking on vowel or consonant,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 317-320, Sep. 2014 (in Japanese).
[Abstract] [PDF (380 kB)]

33) T. Kimura and T. Arai, gInfluence of Japanese mora structure observed in Spanish pronunciation by Japanese learners of Spanish,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 403-404, Sep. 2014 (in Japanese).
[Abstract] [PDF (276 kB)]

34) K. Tomaru and T. Arai, gDiscrimination and identification of Japanese /ba/-/da/ continuum within a sentence by Japanese-speaking listeners,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 489-492, Sep. 2014.
[Abstract] [PDF (244 kB)]

35) T. Igeta, N. Hodoshima and T. Arai, gLombard effect-based improvement in speech intelligibility in reverberant environments: Comparison between native and non-native speakers of Japanese,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 493-494, Sep. 2014 (in Japanese).
[Abstract] [PDF (411 kB)]

36) K. Yasu, T. Arai, K. Kobayashi and M. Shindo, gEffect of release burst on identification of fricatives/affricates for elderly listeners: Relationship between loudness recruitment,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 511-514, Sep. 2014 (in Japanese).
[Abstract] [PDF (402 kB)]

37)K. Kurisu, Y. Kawashima, K. Yasu and T. Arai, gEstimating the listening difficulty rating by the likelihood obtained from the speech recognition engine `Julius' for outdoor mass notification speech,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 1087-1088, Sep. 2014 (in Japanese).
[Abstract] [PDF (256 kB)]

38) T. Arai, gProposing physical models of the human vocal tract as a bridge between acoustics and speech pathologists,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 1565-1568, Sep. 2014 (in Japanese).
[Abstract] [PDF (749 kB)]

39) K. Yasu, T. Arai, K. Kobayashi and M. Shindo, gRelationship between auditory property and fricatives/affricates production and perception in elderly listeners,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 1595-1598, Sep. 2014 (in Japanese).
[Abstract] [PDF (345 kB)]

40) T. Arai, gLearning about acoustics and signal processing by synthesizing a melody using musical tones and singing,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 1617-1620, Sep. 2014 (in Japanese).
[Abstract] [PDF (387 kB)]

41) M. Kasuya and T. Arai, gProblems of pronunciation of vowel reduction in German songs by Japanese native speakers and its application to the singing education,h Proc. Autumn Meet. Acoust. Soc. Jpn., pp. 1621-1624, Sep. 2014 (in Japanese).
[Abstract] [PDF (465 kB)]