Publications

Journals (10)

OtonoVR—Particular Spatial Focused 360-degree Video Player App: The Development and Practical Deployment. 

Journal of the Institute of Image Information and Television Engineers. 

2023, 77(3), 388–393, doi:10.3169/itej.77.388. (Japanese). (Invited Paper). 

Perceptual Optimization of Stereo Width Shrinkage Method in Headphone Reproduction. 

Acoustical Science and Technology. 

2022, 43(2), 170–172, doi:10.1250/ast.43.170. 

Research and Development of a Zoom Synthesis Technology of Sound Field for Realizing Interactive Viewing. 

Journal of the Institute of Image Information and Television Engineers. 

2019, 73(1), 167–172, doi:10.3169/itej.73.167. (Japanese). (Invited Paper). 

Typing Tutor: Individualized Tutoring in Text Entry for Older Adults Based on Statistical Input Stumble Detection. 

Journal of Information Processing. 

2018, 26, 362–374, doi:10.2197/ipsjjip.26.362. (Specially Selected Paper). 

Assistive Typing Application for Older Adults Based on Input Stumble Detection. 

Journal of Information Processing. 

2017, 25, 417–425, doi:10.2197/ipsjjip.25.417. 

Close/Distant Talker Discrimination Based on Kurtosis of Linear Prediction Residual Signals for Speech Signal. 

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition). 

2015, J98-A(2), 190–199. https://search.ieice.org/bin/summary.php?id=j98-a_2_190. (Japanese). 

Passive Pointing System for Distant Screens Using Acoustic Position Estimator and Gravity Sensor. 

Journal of Information Processing. 

2013, 21(2), 362–366, doi:10.2197/ipsjjip.21.362. 

Iterative Estimation and Compensation of Signal Direction for Moving Sound Source by Mobile Microphone Array. 

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. 

2004, E87-A(11), 2950–2956. https://search.ieice.org/bin/summary.php?id=e87-a_11_2950. 

Relative Distance Perception by Manipulating ILD of HRTFs. 

Acoustical Science and Technology. 

2003, 24(5), 325–326, doi:10.1250/ast.24.325. 

Adaptive Estimation of Transfer Functions for Sound Localization Using Stereo Earphone-Microphone Combination. 

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. 

2002, E85-A(8), 1841–1850. https://search.ieice.org/bin/summary.php?id=e85-a_8_1841. 

International Conferences (38)

Frequency dependency of inter-channel cross-correlation for stereo sources. 

Proc. 156th AES International Convention (Europe 2024). Madrid, Spain, 2024-06-15/17. 

Express Paper 219. https://aes2.org/publications/elibrary-page/?id=22565. 

Three-dimensional Sound Wave Propagation Reproduction by CE-FDTD Simulation Applying Actual Radiation Characteristics. 

Proc. 49th IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2024). Seoul, Korea, 2024-04-14/19. 

2024, 1041–1045, doi:10.1109/ICASSP48485.2024.10445744. 

Directional Sound Source Representation Using Paired Microphone Array with Different Characteristics Suitable for Volumetric Video Capture. 

Proc. 5th ACM International Conference on Multimedia Asia (MMAsia 2023). Tainan, Taiwan, 2023-12-06/08. 

2023, 1–3, doi:10.1145/3595916.3626354. 

Perceptual Impression of Room Impulse Responses Simulated by CE-FDTD Method. 

Proc. 155th AES International Convention (New York 2023). New York City, New York, United States, 2023-10-25/27. 

Express Paper 129. http://www.aes.org/e-lib/browse.cfm?elib=22283. 

Augmented Immersive Viewing and Listening Experience Based on Arbitrarily Angled Interactive Audiovisual Representation. 

Proc. 25th ACM International Conference on Multimodal Interaction (ICMI 2023). Paris, France, 2023-10-09/13. 

2023, 79–83, doi:10.1145/3577190.3614138. 

Relationship Between Perceptual Width of Stereo Stage and Inter-channel Cross-correlation. 

Proc. 154th AES International Convention (Europe 2023). Helsinki, Finland, 2023-05-13/15. 

Express Paper 68. http://www.aes.org/e-lib/browse.cfm?elib=22093. 

Sync Sofa: Sofa-type Multimodal Communication System that Provides a Feeling of Being Next to Each Other. 

Proc. 29th International Display Workshop (IDW 2022). Fukuoka, Japan, 2022-12-14/16. 

2022, 976–978, doi:10.36463/idw.2022.0976. (Invited Paper). 

Sync Sofa: Sofa-type Side-by-side Communication Experience Based on Multimodal Expression. 

Proc. 30th ACM International Conference on Multimedia (MM 2022). Lisbon, Portugal, 2022-10-10/14. 

2022,  6961–6963, doi:10.1145/3503161.3547735. 

Perceptual Optimization of Hybrid Stereo Width Control Method Compared with Loudspeakers Reproduction. 

Proc. 152nd AES International Convention (Europe Spring 2022). The Hague, Netherlands, 2022-05-07/08. Online, 2022-05-16/19. 

Paper 10571. http://www.aes.org/e-lib/browse.cfm?elib=21684. 

Sync Glass: Virtual Pouring and Toasting Experience with Multimodal Presentation. 

Proc. 29th ACM International Conference on Multimedia (MM 2021). Chengdu, China, 2021-10-20/24. 

2021, 2768–2770, doi:10.1145/3474085.3478553. 

Facial Action Unit-based Deep Learning Framework for Spotting Macro- and Micro-expressions in Long Video Sequences. 

Proc. 29th ACM International Conference on Multimedia (MM 2021). Chengdu, China, 2021-10-20/24. 

2021, 4794–4798, doi:10.1145/3474085.3479209. 

Impression Evaluation of Mixed Acoustic Signals with  Different Spatial Acoustic Characteristics. 

Proc. 151st AES International Convention (Fall Online 2021). Online/Virtual, 2021-10-20/23. 

e-Brief 653. http://www.aes.org/e-lib/browse.cfm?elib=21516. 

Perceptual Optimization of Stereo Width Control Methods in Headphones Reproduction. 

Proc. 150th AES International Convention (Show Spring 2021). Online/Virtual, 2021-05-25/28. 

Paper 10480. http://www.aes.org/e-lib/browse.cfm?elib=21073. 

Perceptual Evaluation of Binaural Rendering and Stereo Width Control in Headphone Reproduction. 

Proc. 4th International Conference on Technology and Social Science (ICTSS 2020). Kiryu, Japan, 2020-12-02/04. 

Perceptual Evaluation of Binaural Rendering and Stereo Width Control in Headphone Reproduction. 

Proc. 148th AES International Convention (Vienna 2020). Online/Virtual (Vienna, Austria), 2020-06-02/05. 

e-Brief 587. http://www.aes.org/e-lib/browse.cfm?elib=20825. 

Relationship Between Accuracy and Direction of Sound Image Localization Using Narrowband Signal. 

Proc. 148th AES International Convention (Vienna 2020). Online/Virtual (Vienna, Austria), 2020-06-02/05. 

OtonoVR: Arbitrarily Angled Audio-visual VR Experience Using Selective Synthesis Sound Field Technique. 

Proc. 27th ACM International Conference on Multimedia (MM 2019). Nice, France, 2019-10-21/25. 

2019, 2211–2213, doi:10.1145/3343031.3350602. 

Feature Analysis of Sound Direction Perception Using Frequency Band-Limited Stimuli: Extension of a Directional Band Model. 

Proc. 23rd International Congress on Acoustics (ICA 2019). Aachen, Germany, 2019-09-09/13. 

2019, 6692–6699. 

Perceptual Restoration of Intermittent Speech Using Human Speech-like Noise. 

Proc. 23rd International Congress on Sound and Vibration (ICSV 23). Athens, Greece, 2016-07-10/14. 

2016, 1424–1429. 

Typing Tutor: Individualized Tutoring in Text Entry for Older Adults Based on Input Stumble Detection. 

Proc. 34th Annual ACM Conference on Human Factors in Computing Systems (CHI 2016). San Jose, California, United States, 2016-05-7/12. 

2016, 733–744, doi:10.1145/2858036.2858455. 

Typing Tutor: Automatic Error Detection and Instruction in Text Entry for Elderly People. 

Proc. 17th International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2015). Copenhagen, Denmark, 2015-08-24/27. 

2015, 696–703, doi:10.1145/2786567.2793690. 

Perceptual Restoration of Intermittent Speech Under Noisy Environments. 

Proc. 22nd International Congress on Sound and Vibration (ICSV 22). Florence, Italy, 2015-07-12/16. 

2015, 4446–4452. 

Perceptual Restoration of Intermittent Speech Relying on Illusory Continuity. 

Proc. 7th European Congress on Acoustics (Forum Acusticum 2014). Krakow, Poland, 2014-09-07/12. (CD-ROM). 

Close/Distant Talker Discrimination Based on Kurtosis of Linear Prediction Residual Signals. 

Proc. 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2014). Florence, Italy, 2014-05-04/09. 

2014, 2346–2350, doi:10.1109/ICASSP.2014.6854015. 

Restoration of Intermittent Speech Based on Human Auditory Capability and Temporal Characteristics of Speech. 

Proc. 20th International Congress on Sound and Vibration (ICSV 20). Bangkok, Thailand, 2013-07-07/11. 

2013, 1896–1902. 

Measurement of Acoustic Transmission Properties of a Handset with a Piezoelectric Vibrator Using a Head and Torso Simulator. 

Proc. 21st International Congress on Acoustics (ICA 2013), 165th Meeting of the Acoustical Society of America, 52nd Meeting of the Canadian Acoustical Association. Montreal, Canada, 2013-06-02/07. 

2013, 19, 030053, doi:10.1121/1.4800551. 

Interactive Music Video Application for Smartphones Based on Free-viewpoint Video and Audio Rendering. 

Proc. 20th ACM International Conference on Multimedia (MM 2012). Nara, Japan, 2012-10-29/11-02. 

2012, 1293–1294, doi:10.1145/2393347.2396449. 

Restoration of Intermittent Speech with Composite Gap-filling Schemes Relying on Human Auditory Capability. 

Proc. 19th International Congress on Sound and Vibration (ICSV 19). Vilnius, Lithuania, 2012-07-08/12. 

2012, 1005–1012. 

Acoustic-based Passive Pointing System for Distant Screens. 

Proc. 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2012). Kyoto, Japan, 2012-03-25/30. 

2012, 1689–1692, doi:10.1109/ICASSP.2012.6288222. 

Restoration of Intermittent Speech Signal Relying on Auditory Perceptual Capability. 

Proc. 162nd Meeting of the Acoustical Society of America. San Diego, California, United States, 2011-10-31/11-04. 

2011, 130, 2525, doi:10.1121/1.3655078. 

A Pointing System Based on Acoustic Position Estimation and Gravity Sensing. 

Proc. 2011 IEEE Symposium on 3D User Interfaces (3DUI 2011). Singapore, 2011-03-19/20. 

2011, 105–106, doi:10.1109/3DUI.2011.5759227. 

Passive Ultrasonic Pointing System Based on Three-dimentional Position Estimation. 

Proc. 20th International Congress on Acoustics (ICA 2010), 2010 Annual Conference of the Australian Acoustical Society. Sydney, Australia, 2010-08-23/27. 

2010, 3056–3059. 

A Sample-wise Acoustic Positioning Method Using Natural Gradient Adaptation. 

Proc. 20th International Congress on Acoustics (ICA 2010), 2010 Annual Conference of the Australian Acoustical Society. Sydney, Australia, 2010-08-23/27. 

2010, 2932–2935. 

Reduction of Correlation Computation in the Permutation of the Frequency Domain ICA by Selecting DOAs Estimated in Subarrays. 

Proc. 2007 European Signal Processing Conference (EUSIPCO 2007). Poznan, Poland, 2007-09-03/07. 

2007, 418–422. https://ieeexplore.ieee.org/document/7098837. 

Hands-free Speech Recognition and Communication on PDAs Using Microphone Array Technology. 

Proc. 2005 IEEE Automatic Speech Recognition and Understanding Workshop (ASRU 2005). San Juan, Puerto Rico, 2005-11-28/12-01. 

2005, 302–307, doi:10.1109/ASRU.2005.1566509. 

Iterative Compensation of Microphone Array and Sound Source Movements Based on Minimization of Arrival Time Differences. 

Proc. 2004 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2004). Sitges, Barcelona, Spain, 2004-07-18/21. 

2004, 566–570, doi:10.1109/SAM.2004.1503012. 

An Iterative Compensation Algorithm of Coordinate Systems for a Mobile Microphone Array. 

Proc. 5th International Workshop on Microphone Array Systems—Theory and Practice. Pommersfelden, Germany, 2003-05-14/16. (CD-ROM). 

Out-of-head Sound Localization Using Adaptive Inverse Filter. 

Proc. 2001 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2001). Salt Lake City, Utah, United States, 2001-05-07/11. 

2001, 3333–3336, doi:10.1109/ICASSP.2001.940372.