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 (37)

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. 

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

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