Tsubasa Sakai, Daisuke Morikawa, Parham Mokhtari
Detection limit of sound images spatially split by synthesized binaural signals,
Acoustical Science and Technology vol.43, No.3, pp.213-215.
(2022. 03) (J-STAGE)
Parham Mokhtari, Yutaro Hirota, Daisuke Morikawa
PRTF notch enhancement by selective modification of pinna surface reflection coefficient,
Proc. 24th International Congress on Acoustics, ABS-0267.
(2022. 10, Gyeongju (Hybrid, VOD))
Ryoga Ogura, Daisuke Morikawa, Yohji Ishii, Parham Mokhtari
The effect of sound-source moving speed on the minimum audible movement angle in the front direction with broadband noise,
Proc. 24th International Congress on Acoustics, ABS-0747.
(2022. 10, Gyeongju (Hybrid, VOD))
Daisuke Morikawa, Tsubasa Sakai, Parham Mokhtari
Effect of the frequency band on spatially splitting sound image by interaural time and level differences,
Proc. 24th International Congress on Acoustics, ABS-0751.
(2022. 10, Gyeongju (Hybrid, VOD))
Mao Terashima, Daisuke Morikawa, Parham Mokhtari, Tatsuya Hirahara
Acoustic characteristics of a miniature dynamic speaker driver unit MT006B for measurement of head related impulse responses by reciprocal method,
Acoustical Science and Technology vol.42, No.2, pp.103-108.
(2021. 03) (J-STAGE)
Tatsuya Hirahara, Daiki Kojima, Daisuke Morikawa, Parham Mokhtari
The effect of head rotation on monaural sound-image localization in the horizontal plane,
Applied Acoustics vol.178, 108008.
(2021. 07(online 03)) (ScienceDirect)
Makoto Otani, Tatsuya Hirahara, Daisuke Morikawa
Origin of frequency dependence of interaural time difference,
Acoustical Science and Technology vol.42, No.4, pp.181-192.
(2021. 07) (J-STAGE)
Tsubasa Sakai, Daisuke Morikawa, Parham Mokhtari, Tatsuya Hirahara
Detection limit of sound images spatially split by interaural time and level differences,
Acoustical Science and Technology vol.42, No.5, pp.298-300.
(2021. 09) (J-STAGE)
Mao Terashima, Daisuke Morikawa, Parham Mokhtari, Tatsuya Hirahara
Linear microphone array for acoustic impulse response measurements using reciprocal method: Effects of microphone holder,
Acoustical Science and Technology vol.42, No.6, pp.344-349.
(2021. 11) (J-STAGE)
Rui Wang, Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki
Method of estimating 3D DOA based on monaural modulation spectrum,
Proceedings of the RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing 2021, pp.137-140
(2021. 03, Online)
Shunya Kurachi, Daisuke Morikawa, Tatsuya Hirahara
The effect of head orientation on the sound-image localization of a sound source near a reflective wall,
Acoustical Science and Technology vol.41, No. 1, pp.428-429.
(2020. 01) (J-STAGE)
Daisuke Morikawa
Effect of interaural time difference on the respective frequencies within spatially segregated sounds,
Acoustical Science and Technology vol.41, No. 1, pp.447-448.
(2020. 01) (J-STAGE)
Daisuke Morikawa, Daiki Kojima, Tatsuya Hirahara
Spatial sound segregation in monaural listening condition,
Proceedings of the ICA 2019 - 23rd International Congress on Acoustics, 6637-6643
(2019. 09, Aachen) (Proc.ICA2019)
Noriyuki Matsunaga, Yamato Ohtani, Tatsuya Hirahara
Loss Function Considering Temporal Sequence for Feed-Forward Neural Network–Fundamental Frequency Case,
Proceedings of the ISSW10 - The 10th ISCA Speech Synthesis Workshop, 143-148
(2019. 09, Vienna)
Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki
Method of estimating direction of arrival of sound source for monaural hearing based on temporal modulation perception
ICASSP 2018, SP-L9.6
(2018. 04, Alberta)
Shunya Kurachi, Daisuke Morikawa, Tatsuya Hirahara
The effect of head orientation on the sound-image localization of a sound source near a reflective wall,
Proceedings of the International Symposium on Universal Acoustical Communication 2018, 1-26
(2018. 10, 仙台)
Daisuke Morikawa
Effect of interaural time difference on the respective frequencies within spatially segregated sounds (Invited Young Lecturer),
Proceedings of the International Symposium on Universal Acoustical Communication 2018 / Seminar on the spatial aspects of hearing and their applications, 2-12Y
(2018. 10, 仙台)
Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki
Study on method of estimating direction of arrival of sound source for monaural hearing based on temporal modulation perception,
電子情報通信学会技術報告 応用音響 Vol.118, No.190, EA2018-38, 63-68
(2018. 08, 仙台)
Kyoko Takahashi, Daisuke Morikawa
Horizontal Localization of Sound Images and Sound Sources for Monaural Congenital Deafness,
Journal of Signal Processing vol.21, No. 4, 167-170
(2017. 07)(J-STAGE)
Thuan Van Ngo, Rieko Kubo, Daisuke Morikawa, Masato Akagi
Acoustical Analyses of Tendencies of Intelligibility in Lombard Speech with Different Background Noise Levels,
Journal of Signal Processing vol.21, No. 4, 171-174
(2017. 07)(J-STAGE)
Daisuke Morikawa
Relationship between Localization of Spatially Segregated Sound and Variation in Interaural Level and Time Differences due to Head Rotation,
Journal of Information Hiding and Multimedia Signal Processing vol.8, No. 6, 1420-1429
(2017. 11)(JIHMSP)
平原達也
Book Review 「音響学入門」,
日本バーチャルリアリティ学会誌 Vol.22, No.2, p.50.
(2017. 06)
Yongwei Li, Ken-Ichi Sakakibara, Daisuke Morikawa, Masato Akagi
Commonalities of glottal sources and vocal tract shapes among speakers in emotional speech
Proceedings of 11th International Seminar on Speech Production, O2-3
(2017. 10, Tianjin)
Tatsuya Hirahara, Yoiti Suzuki
The dawn of psychoacoustics in Japan,
Acoustics '17 Boston, J. Acoust. Soc. Am. 141(5) Pt2, 3824.
(2017.06, Boston)
Tatsuya Hirahara, Yuki Sawada, Daisuke Morikawa
Sound Localization of Dynamic Binaural Signals Provided Using a Pinna-Less Dummy Head or a Stereo Microphone,
Interdisciplinary Information Sciences Vol.21, No.2,159-166
(2015. 09) (PDF 1937KB, J-STAGE)
Shuhei Okada, Tatsuya Hirahara
Perception of approaching and retreating sounds,
Acoustical Science and Technology Vol. 36, No. 5 ,449-452
(2015. 09) (PDF 476KB, J-STAGE)
Daisuke Morikawa, Tatsuya Hirahara
Effect of head rotation on horizontal and median sound localization of band-limited noise
Acoustical Science and Technology Vol.34 No.1, pp.56-58
(2013. 01) (PDF 216KB)
Tatsuya Hirahara, Daisuke Yoshisaki, Daisuke Morikawa
Impact of dynamic binaural signal associated with listener's voluntary movement in auditory spatial perception (Invited Talk),
Proceedings of Meetings on Acoustics, Vol.19, 050130, pp.1-8
(2013. 06, Montreal) (PDF 262KB)
Daisuke Morikawa, Yuki Toyoda, Tatsuya Hirahara
Head movement during horizontal and median sound localization experiments in which head-rotation is allowed,
Proceedings of Meetings on Acoustics, Vol.19, 050141, pp.1-7
(2013. 06, Montreal) (PDF 244KB)
Tatsuya Hirahara, Daisuke Morikawa, Yukio Iwaya
Personal Auditory Tele-existence System Using a TeleHead (Invited Talk),
Proc. of 2013 Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing, 322-325
(2013. 10, Beijing) (PDF 238KB)
Tatsuya Hirahara
Research on the dynamic binaural sounds and the fast head-related transfer function measurement system (Invited Talk),
The 4th Workshop of A3 Foresight Program
(2013. 10, Beijing)
Daisuke Morikawa, Tatsuya Hirahara
Effect of head-rotation on sound localization of band-limited noise,
The 4th Workshop of A3 Foresight Program
(2013. 10, Beijing)
Tatsuya Hirahara
Dynamic Binaural Reproduction and Related Issues (Invited Talk),
A3 Workshop in Ishikawa,
(2012. 02, Komatsu)
Yuki Imai, Tatsuya Hirahara
Measurement of head-related transfer function with reciprocal method using a miniature dynamic speaker unit,
A3 Workshop in Ishikawa,
(2012. 02, Komatsu)
Daisuke Yoshisaki, Tatsuya Hirahara
Horizontal sound localization with a dummy head of which rotation is controlled by a steering wheel,
A3 Workshop in Ishikawa,
(2012. 02, Komatsu)
Daisuke Morikawa, Tatsuya Hirahara
Impact of head movement on sound localization with high-pass, low-pass and bandpass noise,
A3 Workshop in Ishikawa,
(2012. 02, Komatsu)
Daisuke Morikawa, Tatsuya Hirahara
Effects of Subjects' Hearing Threshold on Signal Bandwidth Necessary for Horizontal Sound Localization, Principals and Applications of Spatial Hearing, Eds Y.Suzuki et al., (World Scientific, Singapore, 2011) pp.71-80
(2011. 05)
Tatsuya Hirahara, Daisuke Morikawa, and Makoto Otani
Effects of Head Movement in Head-Related Transfer Function Measurement, Principals and Applications of Spatial Hearing, Eds Y.Suzuki et al., (World Scientific, Singapore, 2011) pp.149-158
(2011. 05)
Makoto Otani, Tatsuya Hirahara
Numerical simulation of air flow through glottis during very weak whisper sound production
IEICE Trnas on Fundamentals of Electronics, Communications and Computer Sciences Vol.E94-A,No.9, pp.1779-1785
(2011. 09) (abstract)
Tatsuya Hirahara, Yuki Sawada, Daisuke Morikawa
Impact of dynamic binaural signals on three-dimensional sound reproduction, (Invited Talk)
Proc. Inter-Noise 2011, pp.SS20-Mon4-18-1-6
(2011. 09 Osaka) (PDF 627KB)
Yuki Toyoda, Daisuke Morikawa, Tatsuya Hirahara
Head movements during horizontal sound localization,
Proc. Inter Noise 2011, pp.Mon-P-14-1-6
(2011. 09 Osaka) (PDF 843KB)
Daisuke Morikawa, Tatsuya Hirahara
Impact of head movement on sound localization with band-limited noise,
Proc. Inter Noise 2011, pp.Mon-P-16-1-6
(2011. 09 Osaka) (PDF 396KB)
Tatsuya Hirahara, Hiroyuki Sagara, Iwaki Toshima, Makoto Otani
Head movement during head-related transfer function measurements
Acoustical Science and Technology Vol.31, No.2, pp.165-171
(2010. 03) (PDF 228KB)
Noriyuki Matsunaga, Tatsuya Hirahara
Reexamination of fast head-related transfer function measurements
Acoustical Science and Technology Vol.31, No.6, pp.414-416
(2010. 11) (PDF 202KB)
Daisuke Morikawa, Tatsuya Hirahara
Signal frequency range necessary for horizontal sound localization
Acoustical Science and Technology Vol.31, No.6, pp.417-419
(2010. 11) (PDF 659KB)
平原達也
音を聴く聴覚の仕組み
日本音響学会誌 66巻, 9号, pp. 458-465
(2010. 09)(J-STAGE)
Tatsuya Hirahara
Discrepancies between actual-ear and artificial-ear responses,
Proc. 20th International Congress on Acoustics, pp.474.1-474.4
(2010. 08 Sydney) (PDF 190KB)
Daisuke Morikawa, Tatsuya Hirahara
Signal bandwidth necessary for horizontal sound localization,
Proc. 20th International Congress on Acoustics, pp.477.1-477.4
(2010. 08 Sydney) (PDF 558KB)
Noriyuki Matsunaga, Tatsuya Hirahara
Fast near-field HRTF measurements using reciprocal method,
Proc. 20th International Congress on Acoustics, pp.480.1-480.4
(2010. 08 Sydney) (PDF 465KB)
Tatsuya Hirahara, Tooru Ooya
High-sensitivity body-conducted sound sensor,
Proc. International Conference on Natural Polymers, pp.IL114.1-IL114.4
(2010. 09 Kottayam) (PDF 95KB)
Makoto Otani, Tatsuya Hirahara
Physics of body-conducted silent speech - production, propagation and representation of non-audible murmur,
Proc. of INTERSPEECH 2010, pp.949-952
(2010. 09 Chiba) (PDF 444KB)
Makoto Otani, Tatsuya Hirahara, Shota Shimizu, Seiji Adachi
Numerical simulation of transfer and attenuation characteristics of soft-tissue conducted sound originating from vocal tract
Applied Acoustics Volume 70, Issue 3, pp. 469-472
(2009. 03) (abstract)
Shota Shimizu, Makoto Otani, Tatsuya Hirahara
Frequency characteristics of several non-audible murmur (NAM) microphones
Acoustical Science and Technology vol.30, No.2, pp.139-142
(2009. 03) (PDF 153KB)
Makoto Otani, Tatsuya Hirahara, Shiro Ise
Numerical study on source-distance dependency of head-related transfer functions
J. Acoust. Soc. Am. Volume 125, Issue 5, pp.3253-3261
(2009. 05) (abstract)
平原達也
はじめての聴覚実験 ーディジタルな世界に棲む人々に伝えたい、音を鳴らし、測り、聴き比べるときのお約束ー
日本音響学会誌 65巻, 2号, pp. 81-86
(2009. 02)(J-STAGE)
平原達也
バイノーラル信号による音像定位技術 ー動的バイノーラル信号の効用ー
騒音制御 Vol.33, No.3, pp. 204-211
(2009. 06) (CiNii) or (PDF 4021KB)
戸嶋巌樹、青木茂明、平原達也
音像定位におけるバイオメカニズムとその利用例としてのテレヘッド
バイオメカニズム学会誌 Vol.33, No.4, pp. 250-256
(2009. 12) (J-STAGE)
Ken-ichi Morishige, Takayuki Kurokawa, Masayuki Kinoshita, Hironobu Takano, Tatsuya Hirahara
Prediction of head-rotation movements using neck EMG signals for auditory tele-existence robot TeleHead,
Proc. IEEE International Symposium on Robot and Human Interactive Communication, pp.1080-1086
(2009. 10 富山) (PDF 1721KB)
Daisuke Morikawa, Nozomi Shimakura, Tatsuya Hirahara
Influence of subjects’ hearing threshold on signal bandwidth necessary for horizontal sound localization,
Proc. International Workshop on the Principles and Applications of Spatial Hearing
(2009. 11 宮城蔵王) (abstract and PDF)
Noriyuki Matsunaga,Tatsuya Hirahara
Re-examination of an HRTF measurement system via reciprocity,
Proc. International Workshop on the Principles and Applications of Spatial Hearing
(2009. 11 宮城蔵王) (abstract and PDF)
Tatsuya Hirahara, Daisuke Morikawa, Makoto Otani
Effect of Head Movement in HRTF Measurements,
Proc. International Workshop on the Principles and Applications of Spatial Hearing
(2009. 11 宮城蔵王) (abstract and PDF)
Makoto Otani, Shota Shimizu, Tatsuya Hirahara
Vocal tract shape of non-audible murmur production
Acoustical Science and Technology vol.29, No.2, pp.195-198
(2008. 03) (PDF 193KB)
Makoto Otani, Tatsuya Hirahara
Auditory Artifacts due to Switching Head-Related Transfer Functions of a Dynamic Virtual Auditory Display
IEICE Trnas on Fundamentals of Electronics, Communications and Computer Sciences E91-A No.6, pp.1320-1328
(2008. 06) (abstract)
Iwaki Toshima, Shigeaki Aoki, Tatsuya Hirahara
Sound Localization Using an Acoustical Telepresence Robot: TeleHead II
Presence: Teleoperators & Virtual Environments, vol.17, No.4, pp.365-375.
(2008. 08) (abstract)
Makoto Otani, Tatsuya Hirahara
A Dynamic Virtual Auditory Display: Its Design, Performance, and Problems in HRTF Switching
Proceedings of the JCA 2007 (The Japan-China Joint Conference on Acoustics 2007), SS-1-3
(2007. 06 仙台) (PDF 347KB)
Tatsuya Hirahara, Shota Shimizu, Makoto Otani
Acoustic Characteristics of Non-Audible Murmur
Proceedings of the JCA 2007 (The Japan-China Joint Conference on Acoustics 2007), P-2-30
(2007. 06 仙台) (PDF 328KB)
Hiroshi Muraoka, Yuta Takahashi, Tubagus Haedar, Makoto Otani, Tatsuya Hirahara
The Head Related Transfer Function Simulation by FEM/IEM and Reciprocal Theorem
Proceedings of the 14th International Congress on Sound and Vibration, 1-8
(2007. 07 Cairns) (PDF 548KB)
Tatsuya Hirahara; Hiroyuki Sagara; Makoto Otani
Sound localization with scaled dummy-heads on a TeleHead
Proceedings of the 19th ICA (International Congress on Acoustics), PPA-05-013,pp.1-4
(2007. 09 Madrid) (PDF 1345KB)
Otani, Makoto; Hirahara, Tatsuya
Numerical study on source distance dependency of head-related transfer functions
Proceedings of the 19th ICA (International Congress on Acoustics), PPA-05-017,pp.1-4
(2007. 09 Madrid) (PDF 360KB)
Otani, Makoto; Hirahara, Tatsuya; Adachi, Seiji
Numerical simulation of attenuation characteristics of soft-tissue conducted sound originated from vocal tract
Proceedings of the 19th ICA (International Congress on Acoustics), CAS-04-006,pp.1-4
(2007. 09 Madrid) (PDF 612KB)
Wataru Endo, Makio Kashino, Tatsuya Hirahara
The effect of head movement on sound localization using stereo microphones: Comparison with dummy heads
4th ASA-ASJ Joint Meeting, J. Acoust. Soc. Am., Vol.120, No.5, Pt.2, p.3215
(2006.11 Honolulu) (abstract)
Makoto Otani, Tatsuya Hirahara
Numerical simulation of sound originated from the vocal tract in soft neck tissues
4th ASA-ASJ Joint Meeting, J. Acoust. Soc. Am., Vol.120, No.5, Pt.2, p.3521
(2006.12 Honolulu) (abstract)