Researcher Database

（Last updated : 2022-04-15 14:55:19）

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NISHIURA Takanobu

Department / Course College of Information Science and Engineering Department of Information Science and Engineering

Title / Position Professor

Other Affiliations
1.	Graduate School of Information Science and Engineering
2.	Kinugasa Research Organization Art Research Center

Academic background
1.	1999/04/01～2001/09/30	Doctorial Course │ Nara Institute of Science and Technology │ Completed Ph.D. (Engineering)

Research activities
1.		Acoustical Society of Japan
2.		The Institute of Electronics, Information and Communication Engineers (IEICE)
3.		THE VIRTUAL REALITY SOCIETY OF JAPAN

Subject of research
1.	Study on Analysis/Understanding/Reproduction/Composition of Sound Environment

Research summary
A research on analysis, recognition, reproduction and synthesis of sound environment I am engaged in the integrated research on analysis, recognition, reproduction and synthesis of sound environment to construct a sound environment where people can live comfortably. My main research includes reproduction and synthesis of sound environment such as "Sound Image Planetarium", "Audio Spot" and "Surround Chair", and analysis and recognition of sound environment such as "Sound Field Transcription", "Acoustic Sensor" and "Sound Source Search and Emphasis".

Present specialized field
Intelligent Informatics, Media Informatics/Data Base (Keyword：Acoustics Acoustic Science Acoustic Engineering Acoustic Signal Processing)

Books
1.	2011/06	Suitable Reverberation Criteria for Distant-Talking Speech Recognition │ ,pp.Book 1 (Co-authored)

Papers
1.	2022/02	3-D Sound Image Reproduction Method Based on Spherical Harmonic Expansion for 22.2 Multichannel Audio │ Applied Sciences │ 12 (4) (Co-authored)
2.	2022/01	Demodulated sound quality improvement for harmonic sounds in over-boosted parametric array loudspeaker │ Applied Acoustics │ 186 (Co-authored)
3.	2022/01	Optical laser microphone for human-robot interaction: speech recognition in extremely noisy service environments │ Advanced Robotics │ 36 (5-6),pp.304-317 (Co-authored)
4.	2021/10	Analysis of derivative of instantaneous frequency and its application to voice activity detection │ Applied Acoustics │ 181 (Co-authored)
5.	2020/07	High-presence Sharp Sound Image Based on Sound Blending Using Parametric and Dynamic Loudspeakers │ Journal of Signal Processing │ 24 (4) (Co-authored)
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Academic conference presentation
1.	2022/03	Optimized Ideal Ratio Mask Using Thresholds for Single-Channel Speech Separation Based on Wavelet Transform and Deep Neural Network (NCSP2022)
2.	2021/12	A STUDY ON OPTIMAL FILTER OF FEEDFORWARD ACTIVE NOISE CONTROL SYSTEM BASED ON ANALYSIS OF FREQUENCY RESPONSE (APSIPA-ASC 2021)
3.	2021/12	FORMULATION OF MULTIDIMENSIONAL FREQUENCY CHARACTERISTICS OF SECOND-ORDER NONLINEAR IIR FILTER (APSIPA-ASC 2021)
4.	2021/12	NARROW-EDGED BEAMFORMING USING MASKED PARAMETRIC ARRAY LOUDSPEAKERS (APSIPA-ASC 2021)
5.	2021/12	SHARP-SOUND-IMAGE CONSTRUCTION METHOD USING MULTICHANNEL SOUND SYSTEM WITH OPTIMAL PARAMETRIC LOUDSPEAKER ARRANGEMENT (APSIPA-ASC 2021)
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Winning science prize
1.	2017/09	Culture and Computing 2017 Best Poster Award, Culture and Computing 2017 (Sound Reproduction by Concatenative Synthesis for Japanese Traditional Music Box)

Achievements of joint.Funded research
1.	2019/07 ～ 2020/06	Sound Feel/Profiling Research │ Consigned Research by Company
2.	2018/07 ～ 2019/06	Sound Feel/Profiling Research │ Consigned Research by Company
3.	2017/08 ～ 2018/06	Sound Feel/Profiling Research │ Consigned Research by Company
4.	2015/06 ～ 2016/05	Research Optimized Reverberation Characteristics of Elastic Spheres │ Consigned Research by Company
5.	2013/06 ～ 2015/05	Research Optimized Reverberation Characteristics of Elastic Spheres │ Consigned Research by Company
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Acquisition patent
1.	2010/03	Microphone Array and Method of Use （72-1329）