An evaluation of adaptive beamformer based on average speech spectrum for noisy speech recognition. - Takanobu Nishiura; Masato Nakayama; Satoshi Nakamura 001 (ICASSP (1), 2003)

Development of VAD evaluation framework CENSREC-1-C and investigation of relationship between VAD and speech recognition performance. - Norihide Kitaoka; Kazumasa Yamamoto; Tomohiro Kusamizu; Seiichi Nakagawa; Takeshi Yamada; Satoru Tsuge; Chiyomi Miyajima; Takanobu Nishiura; Masato Nakayama; Yuki Denda; Masakiyo Fujimoto; Tetsuya Takiguchi; et al. (ASRU, 2007)

Noise-robust hands-free voice activity detection with adaptive zero crossing detection using talker direction estimation. - Yuki Denda; Takamasa Tanaka; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (INTERSPEECH, 2007)

Investigations into early and late reflections on distant-talking speech recognition toward suitable reverberation criteria. - Takanobu Nishiura; Yoshiki Hirano; Yuki Denda; Masato Nakayama (INTERSPEECH, 2007)

CENSREC-4: development of evaluation framework for distant-talking speech recognition under reverberant environments. - Masato Nakayama; Takanobu Nishiura; Yuki Denda; Norihide Kitaoka; Kazumasa Yamamoto; Takeshi Yamada; Satoru Tsuge; Chiyomi Miyajima; Masakiyo Fujimoto; Tetsuya Takiguchi; Satoshi Tamura; Tetsuji Ogawa; et al. (INTERSPEECH, 2008)

Evaluation Framework for Distant-talking Speech Recognition under Reverberant Environments: newest Part of the CENSREC Series -. - Takanobu Nishiura; Masato Nakayama; Yuki Denda; Norihide Kitaoka; Kazumasa Yamamoto; Takeshi Yamada; Satoru Tsuge; Chiyomi Miyajima; Masakiyo Fujimoto; Tetsuya Takiguchi; Satoshi Tamura; Shingo Kuroiwa; et al. (LREC, 2008)

CENSREC-1-AV: an audio-visual corpus for noisy bimodal speech recognition. - Satoshi Tamura; Chiyomi Miyajima; Norihide Kitaoka; Takeshi Yamada; Satoru Tsuge; Tetsuya Takiguchi; Kazumasa Yamamoto; Takanobu Nishiura; Masato Nakayama; Yuki Denda; Masakiyo Fujimoto; Shigeki Matsuda; et al. (AVSP, 2010)

Acoustic Distance Measurement Method Based on Phase Interference Using Calibration and Whitening Processing in Real Environments. - Masato Nakayama; Shimpei Hanabusa; Tetsuji Uebo; Noboru Nakasako (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Estimation of speech recognition performance in noisy and reverberant environments using PESQ score and acoustic parameters. - Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2013)

Suitable spatial resolution at frequency bands based on variances of phase differences for real-time talker localization. - Kohei Hayashida; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2013)

An active unpleasantness control system for indoor noise based on auditory masking. - Daisuke Ikefuji; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2013)

Mosaic-type work support system using touchscreen computers for senior people. - Masato Nakayama; Atsushi Hiyama; Takahiro Miura; Naomi Yatomi; Michitaka Hirose (CSCW Companion, 2013)

Interactive Acoustic Sound Field Reproduction with Web System for Gion Festival. - Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (Culture and Computing, 2013)

Evaluation of High-Realistic Acoustic Sound Field Reproduction Method for Gion Festival Music. - Naoki Yoshimoto; Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura (Culture and Computing, 2013)

Trial implementation of acoustic distance measurement method for very-close-range measurement based on standing waves using power and phase spectra of single-channel observations. - Noboru Nakasako; Yuji Koizumi; Toshihiro Shinohara; Masato Nakayama; Tetsuji Uebo (GCCE, 2013)

Time-Mosaic Formation of Senior Workforces for Complex Irregular Work in Cooperative Farms. - Takahiro Miura; Masato Nakayama; Atsushi Hiyama; Naomi Yatomi; Michitaka Hirose (HCI (7), 2013)

Weighted double sideband modulation toward high quality audible sound on parametric loudspeaker. - Daisuke Ikefuji; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (ICASSP, 2013)

Acoustic distance measurement based on phase interference using the cross-spectral method with adjacent microphones. - Masato Nakayama; Kazuhiro Suzuki; Noboru Nakasako (ICASSP, 2013)

Fundamental consideration on 1ch acoustic distance measurement method based on phase interference by considering the movement of transmitting-and-receiving system. - Noboru Nakasako; Tatuya Nishimae; Toshihiro Shinohara; Nobuyuki Yamawaki; Masato Nakayama; Tetsuji Uebo (ISPACS, 2013)

A prototype of BCI-robot arm system with 1ch acoustic distance measurement device. - Nobuyuki Yamawaki; Noboru Nakasako; Tatuya Nishimae; Toshihiro Shinohara; Masato Nakayama; Daichi Yoshida (ISPACS, 2013)

A study on acoustic beam steering with parametric loudspeaker based on individual delay-filtering for carrier and sideband waves. - Masato Nakayama; Takanobu Nishiura; Ryota Okuno; Noboru Nakasako (APCCAS, 2014)

Reverberation steering and listening area expansion on 3-D sound field reproduction with parametric array loudspeaker. - Daisuke Ikefuji; Hideya Tsujii; Shohei Masunaga; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2014)

Close/distant talker discrimination based on kurtosis of linear prediction residual signals. - Kohei Hayashida; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita; Toshiharu Horiuchi; Tsuneo Kato (ICASSP, 2014)

Gaussian Mixture Model Learning for Desired Speech Discrimination Based on Kurtosis of Linear Prediction Residual Signals. - Kohei Hayashida; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (IDT/IIMSS/STET, 2014)

Robust sound image localization for moving listener with curved-type parametric loudspeaker. - Daisuke Ikefuji; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (APSIPA, 2015)

High-Realistic Acoustic Sound Field Reproduction with 16ch Head-Enclosed Loudspeaker-Array for Gion Festival Music. - Kota Nakahashi; Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura (Culture Computing, 2015)

Near-sound-field propagation based on individual beam-steering for carrier and sideband waves with parametric array loudspeaker. - Masato Nakayama; Ryosuke Konabe; Takahiro Fukumori; Takanobu Nishiura (APSIPA, 2016)

Synchronized amplitude-and-frequency modulation for a parametric loudspeaker. - Masato Nakayama; Takanobu Nishiura (APSIPA, 2017)

Phase reconstruction method based on time-frequency domain harmonic structure for speech enhancement. - Yukoh Wakabayashi; Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (ICASSP, 2017)

Distance Control of Virtual Sound Source Using Parametric and Dynamic Loudspeakers. - Masato Nakayama; Takanobu Nishiura (APSIPA, 2018)

Single-Channel Speech Enhancement With Phase Reconstruction Based on Phase Distortion Averaging. - Yukoh Wakabayashi; Takahiro Fukumori; Masato Nakayama; Takanobu Nishiura; Yoichi Yamashita (IEEE ACM Trans. Audio Speech Lang. Process., 2018)

Acoustic Space-Sharing Based on Bass Tempo Synchronization with Parametric Loudspeakers and Subwoofer. - Naoto Shimada; Masato Nakayama; Takanobu Nishiura (GCCE, 2019)

High Attenuated Audio-beam Based on Near-focused Sideband Wave with Parametric Array Loudspeakers. - Makoto Shimokata; Masato Nakayama; Takanobu Nishiura (GCCE, 2019)

Evaluation of a multi-way parametric array loudspeaker based on multiplexed double sideband modulation. - Yuting Geng; Masato Nakayama; Takanobu Nishiura (APSIPA, 2020)

Audible Sound Enhancement Based on Carrier with Periodic Square-Wave for Parametric Loudspeaker. - Kohei Asahi; Masato Nakayama; Takanobu Nishiura (GCCE, 2020)

Virtual Sound Source Rendering Based on Distance Control to Penetrate Listeners Using Surround Parametric-array and Electrodynamic Loudspeakers. - Takuma Ekawa; Masato Nakayama; Toru Takahashi (APSIPA ASC, 2021)

Narrow-edged Beamforming Using Masked Parametric Array Loudspeakers. - Yuting Geng; Haonan Wang; Masato Nakayama; Takanobu Nishiura (APSIPA ASC, 2021)

Sharp-sound-image Construction Method Using Multichannel Sound System with Optimal Parametric Loudspeaker Arrangement. - Yuna Harada; Naoto Shimada; Haonan Wang; Kenta Iwai; Masato Nakayama; Takanobu Nishiura (APSIPA ASC, 2021)

Moving Sound Source Tracking in Wide Space by Multiple Microphone Arrays. - Toru Takahashi; Takuma Ekawa; Masato Nakayama (APSIPA ASC, 2021)

Narrow-edged Acoustical Beamforming Utilizing Phase Inversion for Frequency Modulation-based Parametric Array Loudspeaker. - Yuting Geng; Masato Nakayama; Takanobu Nishiura (APSIPA ASC, 2023)

Mid-Air Haptics Visualization System Using Augmented Reality Headset and Multiple Ultrasound Transducer Arrays. - Takuya Hayashi; Asuto Ueda; Toru Takahashi; Masato Nakayama (GCCE, 2023)

Quadcopter tracking by acoustic sensing based on two stereo microphones. - Toru Takahashi; Kotaro Fukuda; Tomoru Awatani; Masato Nakayama (GCCE, 2023)

Virtual multi-boosted amplitude modulation toward high-pressure audible sound with parametric array loudspeakers. - Yoto Ikezaki; Yuting Geng; Masato Nakayama; Takanobu Nishiura (APSIPA, 2024)

Augmented sound-image perception using pre-virtual-leading ultrasounds based on precedence effect. - Ryota Imanaka; Yuting Geng; Masato Nakayama; Takanobu Nishiura (APSIPA, 2024)

Impulse response transforming method to control distance perception based on direct-to-reverberant energy ratio. - Toru Takahashi; Eita Morigaki; Masato Nakayama (APSIPA, 2024)

Speech-Leakage Reduction for Pin-Spot Audio Based on Multiple Sideband Waves Using Comb Filters. - Mizuki Iwagami; Yuting Geng; Masato Nakayama; Takanobu Nishiura (GCCE, 2024)

A Method For Estimating The Direction Of Maximum Radiated Energy From Singing Signals Obtained By Distant Sensing With Distributed Microphones. - Toru Takahashi; Taiki Kanbayashi; Kotaro Fukuda; Shintaro Matsumoto; Masato Nakayama (GCCE, 2024)