Time-spread echo method for digital audio watermarking using PN sequences. - Byeong-Seob Ko; Ryouichi Nishimura; Yôiti Suzuki (ICASSP, 2002)

A new adaptive binaural microphone array system using a weighted least squares algorithm. - Ryouichi Nishimura; Yôiti Suzuki; Futoshi Asano (ICASSP, 2002)

Log-scaling watermark detection in digital audio watermarking. - Byeong-Seob Ko; Ryouichi Nishimura; Yôiti Suzuki (ICASSP (3), 2004)

Audio Secret Sharing for 1-Bit Audio. - Ryouichi Nishimura; Norihiro Fujita; Yôiti Suzuki (KES (2), 2005)

Audio CoFIP (Contents Fingerprinting) Robust Against Collusion Attack. - Kotaro Sonoda; Ryouichi Nishimura; Yôiti Suzuki (KES (2), 2005)

Time-spread echo method for digital audio watermarking. - Byeong-Seob Ko; Ryouichi Nishimura; Yôiti Suzuki (IEEE Trans. Multim., 2005)

Multiple watermarks for stereo audio signals using phase-modulation techniques. - Akira Takahashi; Ryouichi Nishimura; Yôiti Suzuki (IEEE Trans. Signal Process., 2005)

Audio Watermark Enhanced by LDPC Coding for Air Transmission. - Yôiti Suzuki; Ryouichi Nishimura; Hao Tao (IIH-MSP, 2006)

A Portable Acoustic Caption Decoder Using IH Techniques for Enhancing Lives of the People Who Are Deaf or Hard-of-Hearing - System Configuration and Robustness for Airborne Sound -. - Tetsuya Munekata; Toshimitsu Yamaguchi; Hiroki Handa; Ryouichi Nishimura; Yôiti Suzuki (IIH-MSP, 2007)

Computer Simulation of HRTFs for Personalization of 3D Audio. - Parham Mokhtari; Hironori Takemoto; Ryouichi Nishimura; Hiroaki Kato (ISUC, 2008)

Interpolation of head-related transfer functions by spatial linear prediction. - Ryouichi Nishimura; Hiroaki Kato; Naomi Inoue (ICASSP, 2009)

Information Hiding into Interaural Phase Differences for Stereo Audio Signals. - Ryouichi Nishimura (IIH-MSP, 2009)

Headphone calibration for 3D-audio listening. - Ryouichi Nishimura; Parham Mokhtari; Hironori Takemoto; Hiroaki Kato (IUCS, 2009)

Audio Information Hiding Based on Spatial Masking. - Ryouichi Nishimura (IIH-MSP, 2010)

On the human ability to auditorily perceive human speaker's facing angle. - Hiroaki Kato; Hironori Takemoto; Ryouichi Nishimura; Parham Mokhtari (IUCS, 2010)

Reinforcement of VoIP Security with Multipath Routing and Secret Sharing Scheme. - Ryouichi Nishimura; Shun'ichiro Abe; Norihiro Fujita; Yôiti Suzuki (J. Inf. Hiding Multim. Signal Process., 2010)

Optimum Loss Factor for a Perfectly Matched Layer in Finite-Difference Time-Domain Acoustic Simulation. - Parham Mokhtari; Hironori Takemoto; Ryouichi Nishimura; Hiroaki Kato (IEEE Trans. Speech Audio Process., 2010)

Pinna sensitivity patterns reveal reflecting and diffracting surfaces that generate the first spectral notch in the front median plane. - Parham Mokhtari; Hironori Takemoto; Ryouichi Nishimura; Hiroaki Kato (ICASSP, 2011)

Median Plane Mislocalization of Virtual Sound Presented through Headphones. - Ryouichi Nishimura; Hiroaki Kato; Parham Mokhtari; Hironori Takemoto (IIH-MSP, 2011)

An Attempt to Calibrate Headphones for Reproduction of Sound Pressure at the Eardrum. - Ryouichi Nishimura; Parham Mokhtari; Hironori Takemoto; Hiroaki Kato (IEEE Trans. Speech Audio Process., 2011)

Audio Watermarking Using Spatial Masking and Ambisonics. - Ryouichi Nishimura (IEEE Trans. Speech Audio Process., 2012)

Application of Three-Dimensional Audio to Copyrighted Multimedia Contents. - Ryouichi Nishimura; Seigo Enomoto; Parham Mokhtari; Hironori Takemoto (IIH-MSP, 2013)

Visualization of acoustic pressure and velocity patterns with phase information in the pinna cavities at normal modes. - Parham Mokhtari; Hironori Takemoto; Ryouichi Nishimura; Hiroaki Kato (ICASSP, 2014)

A Wind Noise Detection Algorithm for Monitoring Infrasound Using Smartphone as a Sensor Device. - Ryouichi Nishimura; Shuichi Sakamoto; Yôiti Suzuki (IIH-MSP (2), 2017)

Method for Updating Microphone Configuration in Audio Super-Resolution. - Ryouichi Nishimura; Shuichi Sakamoto; Yoshifumi Chisaki; Zhenglie Cui (J. Inf. Hiding Multim. Signal Process., 2017)

Source and Direction of Arrival Estimation Based on Maximum Likelihood Combined with GMM and Eigenanalysis. - Ryouichi Nishimura; Yôiti Suzuki (ICASSP, 2018)

Speech Privacy for Sound Surveillance Using Super-Resolution Based on Maximum Likelihood and Bayesian Linear Regression. - Ryouichi Nishimura; Seigo Enomoto; Hiroaki Kato (IEICE Trans. Inf. Syst., 2018)

ML and EM Estimation of Sampling Intervals of Sensor Devices. - Ryouichi Nishimura; Yôiti Suzuki (ICASSP, 2020)

Simultaneous Estimation of Direction of Arrival and Sound Speed Using a Non-Uniform Sensor Array. - Ryouichi Nishimura; Kenichi Takizawa (ICASSP, 2023)

A Cause of Momentary Level Shifts Appearing in Broadcast Satellite Signals. - Ryouichi Nishimura; Byeongpyo Jeong; Hajime Susukita; Takashi Takahashi; Kenichi Takizawa (IEICE Trans. Commun., 2023)

Foreword. - Ryouichi Nishimura (IEICE Trans. Inf. Syst., 2024)