Abnormal sound detection by two microphones using virtual microphone technique. - Kouei Yamaoka; Nobutaka Ono; Shoji Makino; Takeshi Yamada (APSIPA, 2017)

Performance evaluation of nonlinear speech enhancement based on virtual increase of channels in reverberant environments. - Kouei Yamaoka; Shoji Makino; Nobutaka Ono; Takeshi Yamada (EUSIPCO, 2017)

Low Latency and High Quality Two-Stage Human-Voice-Enhancement System for a Hose-Shaped Rescue Robot. - Yoshiaki Bando; Hiroshi Saruwatari; Nobutaka Ono; Shoji Makino; Katsutoshi Itoyama; Daichi Kitamura; Masaru Ishimura; Moe Takakusaki; Narumi Mae; Kouei Yamaoka; Yutaro Matsui; Yuichi Ambe; et al. (J. Robotics Mechatronics, 2017)

Microphone Position Realignment by Extrapolation of Virtual Microphone. - Ryoga Jinzai; Kouei Yamaoka; Mitsuo Matsumoto; Takeshi Yamada; Shoji Makino (APSIPA, 2018)

Time-Frequency-Bin-Wise Beamformer Selection and Masking for Speech Enhancement in Underdetermined Noisy Scenarios. - Kouei Yamaoka; Andreas Brendel; Nobutaka Ono; Shoji Makino; Michael Buerger; Takeshi Yamada; Walter Kellermann (EUSIPCO, 2018)

Wavelength Proportional Arrangement of Virtual Microphones Based on Interpolation/Extrapolation for Underdetermined Speech Enhancement. - Ryoga Jinzai; Kouei Yamaoka; Mitsuo Matsumoto; Shoji Makino; Takeshi Yamada (EUSIPCO, 2019)

CNN-based virtual microphone signal estimation for MPDR beamforming in underdetermined situations. - Kouei Yamaoka; Li Li 063; Nobutaka Ono; Shoji Makino; Takeshi Yamada (EUSIPCO, 2019)

Time-frequency-bin-wise Switching of Minimum Variance Distortionless Response Beamformer for Underdetermined Situations. - Kouei Yamaoka; Nobutaka Ono; Shoji Makino; Takeshi Yamada (ICASSP, 2019)

Sub-Sample Time Delay Estimation via Auxiliary-Function-Based Iterative Updates. - Kouei Yamaoka; Robin Scheibler; Nobutaka Ono; Yukoh Wakabayashi (WASPAA, 2019)

Causal Distortionless Response Beamforming by Alternating Direction Method of Multipliers. - Yoshiki Masuyama; Kouei Yamaoka; Yuma Kinoshita; Nobutaka Ono (APSIPA ASC, 2021)

Sampling Frequency Mismatch Estimation by Auxiliary-Function-Based Iterative Maximization of Double-Cross-Correlation. - Kouei Yamaoka; Nobutaka Ono; Yukoh Wakabayashi (EUSIPCO, 2021)

Rotation-Robust Beamforming Based on Sound Field Interpolation with Regularly Circular Microphone Array. - Yukoh Wakabayashi; Kouei Yamaoka; Nobutaka Ono (ICASSP, 2021)

Time-Frequency-Bin-Wise Linear Combination of Beamformers for Distortionless Signal Enhancement. - Kouei Yamaoka; Nobutaka Ono; Shoji Makino (IEEE ACM Trans. Audio Speech Lang. Process., 2021)

Joint Optimization of Sampling Rate Offsets Based on Entire Signal Relationship Among Distributed Microphones. - Yoshiki Masuyama; Kouei Yamaoka; Nobutaka Ono (INTERSPEECH, 2022)

Maximization of 2D Cross-Correlation Based on Auxiliary Function Method for Image Alignment. - Yuma Kinoshita; Kouei Yamaoka; Hitoshi Kiya (APSIPA ASC, 2023)

Automatic Call Classification of Autism Model Marmosets by Deep Learning and Analysis of Their Vocal Development. - Minato Uesaka; Hideto Kawauchi; Kouei Yamaoka; Yukoh Wakabayashi; Yuma Kinoshita; Nobutaka Ono; Jun Noguchi; Satoshi Watanabe; Noritaka Ichinohe; Seico Benner; Hidenori Yamasue (APSIPA ASC, 2023)

Fundamental Frequency Estimation Based on Finite-Order Harmonic Constraint Differential Equation. - Kenta Yamada; Yoshiki Masuyama; Kouei Yamaoka; Nobutaka Ono (APSIPA ASC, 2023)

Minimum-Spanning-Tree-Based Time Delay Estimation Robust to Outliers. - Kouei Yamaoka; Taishi Nakashima; Yukoh Wakabayashi; Nobutaka Ono (IEEE Access, 2023)

Sound Field Interpolation for Rotation-Invariant Multichannel Array Signal Processing. - Yukoh Wakabayashi; Kouei Yamaoka; Nobutaka Ono (IEEE ACM Trans. Audio Speech Lang. Process., 2023)

Acoustic object canceller: removing a known signal from monaural recording using blind synchronization. - Takao Kawamura; Kouei Yamaoka; Yukoh Wakabayashi; Nobutaka Ono; Ryoichi Miyazaki (EURASIP J. Audio Speech Music. Process., 2023)

Auxiliary-Function-Based Steering Vector Estimation Method for Spatially Regularized Independent Low-Rank Matrix Analysis. - Sota Hirata; Norihiro Takamune; Kouei Yamaoka; Daichi Kitamura; Hiroshi Saruwatari; Yu Takahashi; Kazunobu Kondo (APSIPA, 2024)

Causal and Relaxed-Distortionless Response Beamforming for Online Target Source Extraction. - Yoshiki Masuyama; Kouei Yamaoka; Yuma Kinoshita; Taishi Nakashima; Nobutaka Ono (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Efficient Joint Optimization of Sampling Rate Offsets Using Entire Multichannel Signal. - Yoshiki Masuyama; Kouei Yamaoka; Takao Kawamura; Nobutaka Ono (IEEE ACM Trans. Audio Speech Lang. Process., 2024)