Unified ASR system using LGM-based source separation, noise-robust feature extraction, and word hypothesis selection. - Yusuke Fujita; Ryoichi Takashima; Takeshi Homma; Rintaro Ikeshita; Yohei Kawaguchi; Takashi Sumiyoshi; Takashi Endo; Masahito Togami (ASRU, 2015)

Sub-Nyquist non-uniform sampling for low-cost sound monitoring. - Yohei Kawaguchi; Sandra Ramaswami; Ryoichi Takashima; Takashi Endo; Rintaro Ikeshita (APSIPA, 2017)

Independent vector analysis with frequency range division and prior switching. - Rintaro Ikeshita; Yohei Kawaguchi; Masahito Togami; Yusuke Fujita; Kenji Nagamatsu (EUSIPCO, 2017)

Local Gaussian model with source-set constraints in audio source separation. - Rintaro Ikeshita; Masahito Togami; Yohei Kawaguchi; Yusuke Fujita; Kenji Nagamatsu (MLSP, 2017)

Independent Positive Semidefinite Tensor Analysis in Blind Source Separation. - Rintaro Ikeshita (EUSIPCO, 2018)

Independent Low-Rank Matrix Analysis Based on Multivariate Complex Exponential Power Distribution. - Rintaro Ikeshita; Yohei Kawaguchi (ICASSP, 2018)

Fast Multichannel Nonnegative Matrix Factorization with Constraints on Active Source Candidates. - Rintaro Ikeshita; Yohei Kawaguchi; Kenji Nagamatsu (IWAENC, 2018)

Count Matroids of Group-Labeled Graphs. - Rintaro Ikeshita; Shin-ichi Tanigawa (Comb., 2018)

In-Vehicle Voice Interface with Improved Utterance Classification Accuracy Using Off-the-Shelf Cloud Speech Recognizer. - Takeshi Homma; Yasunari Obuchi; Kazuaki Shima; Rintaro Ikeshita; Hiroaki Kokubo; Takuya Matsumoto (IEICE Trans. Inf. Syst., 2018)

A Unifying Framework for Blind Source Separation Based on A Joint Diagonalizability Constraint. - Rintaro Ikeshita; Nobutaka Ito; Tomohiro Nakatani; Hiroshi Sawada (EUSIPCO, 2019)

Computational Acceleration and Smart Initialization of Full-RANK Spatial Covariance Analysis. - Hiroshi Sawada; Rintaro Ikeshita; Nobutaka Ito; Tomohiro Nakatani (EUSIPCO, 2019)

Acoustic Modeling for Distant Multi-talker Speech Recognition with Single- and Multi-channel Branches. - Naoyuki Kanda; Yusuke Fujita; Shota Horiguchi; Rintaro Ikeshita; Kenji Nagamatsu; Shinji Watanabe 001 (ICASSP, 2019)

Independent Low-Rank Matrix Analysis with Decorrelation Learning. - Rintaro Ikeshita; Nobutaka Ito; Tomohiro Nakatani; Hiroshi Sawada (WASPAA, 2019)

Simultaneous Denoising, Dereverberation, and Source Separation Using a Unified Convolutional Beamformer. - Tomohiro Nakatani; Keisuke Kinoshita; Rintaro Ikeshita; Hiroshi Sawada; Shoko Araki (WASPAA, 2019)

Efficient Corpus Creation Method for NLU Using Interview with Probing Questions. - Kazuaki Shima; Takeshi Homma; Masataka Motohashi; Rintaro Ikeshita; Hiroaki Kokubo; Yasunari Obuchi; Jinhua She (J. Adv. Comput. Intell. Intell. Informatics, 2019)

Experimental Analysis of EM and MU Algorithms for Optimizing Full-rank Spatial Covariance Model. - Hiroshi Sawada; Rintaro Ikeshita; Tomohiro Nakatani (EUSIPCO, 2020)

Overdetermined Independent Vector Analysis. - Rintaro Ikeshita; Tomohiro Nakatani; Shoko Araki (ICASSP, 2020)

Convergence-Guaranteed Independent Positive Semidefinite Tensor Analysis Based on Student's T Distribution. - Tatsuki Kondo; Kanta Fukushige; Norihiro Takamune; Daichi Kitamura; Hiroshi Saruwatari; Rintaro Ikeshita; Tomohiro Nakatani (ICASSP, 2020)

DNN-supported Mask-based Convolutional Beamforming for Simultaneous Denoising, Dereverberation, and Source Separation. - Tomohiro Nakatani; Riki Takahashi; Tsubasa Ochiai; Keisuke Kinoshita; Rintaro Ikeshita; Marc Delcroix; Shoko Araki (ICASSP, 2020)

Beam-TasNet: Time-domain Audio Separation Network Meets Frequency-domain Beamformer. - Tsubasa Ochiai; Marc Delcroix; Rintaro Ikeshita; Keisuke Kinoshita; Tomohiro Nakatani; Shoko Araki (ICASSP, 2020)

Computationally Efficient and Versatile Framework for Joint Optimization of Blind Speech Separation and Dereverberation. - Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Hiroshi Sawada; Shoko Araki (INTERSPEECH, 2020)

Jointly Optimal Denoising, Dereverberation, and Source Separation. - Tomohiro Nakatani; Christoph Böddeker; Keisuke Kinoshita; Rintaro Ikeshita; Marc Delcroix; Reinhold Haeb-Umbach (IEEE ACM Trans. Audio Speech Lang. Process., 2020)

Switching Convolutional Beamformer. - Tomohiro Nakatani; Rintaro Ikeshita; Naoyuki Kamo; Keisuke Kinoshita; Shoko Araki; Hiroshi Sawada (EUSIPCO, 2021)

Independent Deeply Learned Tensor Analysis for Determined Audio Source Separation. - Naoki Narisawa; Rintaro Ikeshita; Norihiro Takamune; Daichi Kitamura; Tomohiko Nakamura; Hiroshi Saruwatari; Tomohiro Nakatani (EUSIPCO, 2021)

Low Latency Online Source Separation and Noise Reduction Based on Joint Optimization with Dereverberation. - Tetsuya Ueda; Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Shoko Araki; Shoji Makino (EUSIPCO, 2021)

Blind and Neural Network-Guided Convolutional Beamformer for Joint Denoising, Dereverberation, and Source Separation. - Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Hiroshi Sawada; Shoko Araki (ICASSP, 2021)

Neural Network-Based Virtual Microphone Estimator. - Tsubasa Ochiai; Marc Delcroix; Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Shoko Araki (ICASSP, 2021)

Low Latency Online Blind Source Separation Based on Joint Optimization with Blind Dereverberation. - Tetsuya Ueda; Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Shoko Araki; Shoji Makino (ICASSP, 2021)

Independent Vector Extraction for Joint Blind Source Separation and Dereverberation. - Rintaro Ikeshita; Tomohiro Nakatani (CoRR, 2021)

Switching Independent Vector Analysis and Its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithm. - Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Hiroshi Sawada; Naoyuki Kamo; Shoko Araki (CoRR, 2021)

Online Speech Dereverberation Using Mixture of Multichannel Linear Prediction Models. - Rintaro Ikeshita; Keisuke Kinoshita; Naoyuki Kamo; Tomohiro Nakatani (IEEE Signal Process. Lett., 2021)

Blind Signal Dereverberation Based on Mixture of Weighted Prediction Error Models. - Rintaro Ikeshita; Naoyuki Kamo; Tomohiro Nakatani (IEEE Signal Process. Lett., 2021)

Independent Vector Extraction for Fast Joint Blind Source Separation and Dereverberation. - Rintaro Ikeshita; Tomohiro Nakatani (IEEE Signal Process. Lett., 2021)

A Joint Diagonalization Based Efficient Approach to Underdetermined Blind Audio Source Separation Using the Multichannel Wiener Filter. - Nobutaka Ito; Rintaro Ikeshita; Hiroshi Sawada; Tomohiro Nakatani (IEEE ACM Trans. Audio Speech Lang. Process., 2021)

Block Coordinate Descent Algorithms for Auxiliary-Function-Based Independent Vector Extraction. - Rintaro Ikeshita; Tomohiro Nakatani; Shoko Araki (IEEE Trans. Signal Process., 2021)

ISS2: An Extension of Iterative Source Steering Algorithm for Majorization-Minimization-Based Independent Vector Analysis. - Rintaro Ikeshita; Tomohiro Nakatani (EUSIPCO, 2022)

Importance of Switch Optimization Criterion in Switching WPE Dereverberation. - Naoyuki Kamo; Rintaro Ikeshita; Keisuke Kinoshita; Tomohiro Nakatani (ICASSP, 2022)

Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined BSS in Reverberant Environments. - Hiroshi Sawada; Rintaro Ikeshita; Keisuke Kinoshita; Tomohiro Nakatani (ICASSP, 2022)

How bad are artifacts?: Analyzing the impact of speech enhancement errors on ASR. - Kazuma Iwamoto; Tsubasa Ochiai; Marc Delcroix; Rintaro Ikeshita; Hiroshi Sato; Shoko Araki; Shigeru Katagiri (INTERSPEECH, 2022)

Switching Independent Vector Analysis and its Extension to Blind and Spatially Guided Convolutional Beamforming Algorithms. - Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Hiroshi Sawada; Naoyuki Kamo; Shoko Araki (IEEE ACM Trans. Audio Speech Lang. Process., 2022)

Spatially-Regularized Switching Independent Vector Analysis. - Tetsuya Ueda; Tomohiro Nakatani; Rintaro Ikeshita; Shoko Araki; Shoji Makino (APSIPA ASC, 2023)

NoisyILRMA: Diffuse-Noise-Aware Independent Low-Rank Matrix Analysis for Fast Blind Source Extraction. - Koki Nishida; Norihiro Takamune; Rintaro Ikeshita; Daichi Kitamura; Hiroshi Saruwatari; Tomohiro Nakatani (EUSIPCO, 2023)

Fast Online Source Steering Algorithm for Tracking Single Moving Source Using Online Independent Vector Analysis. - Taishi Nakashima; Rintaro Ikeshita; Nobutaka Ono; Shoko Araki; Tomohiro Nakatani (ICASSP, 2023)

Multi-Frame Full-Rank Spatial Covariance Analysis for Underdetermined Blind Source Separation and Dereverberation. - Hiroshi Sawada; Rintaro Ikeshita; Keisuke Kinoshita; Tomohiro Nakatani (IEEE ACM Trans. Audio Speech Lang. Process., 2023)

How Does End-To-End Speech Recognition Training Impact Speech Enhancement Artifacts? - Kazuma Iwamoto; Tsubasa Ochiai; Marc Delcroix; Rintaro Ikeshita; Hiroshi Sato; Shoko Araki; Shigeru Katagiri (ICASSP, 2024)

Neural Network-Based Virtual Microphone Estimation with Virtual Microphone and Beamformer-Level Multi-Task Loss. - Hanako Segawa; Tsubasa Ochiai; Marc Delcroix; Tomohiro Nakatani; Rintaro Ikeshita; Shoko Araki; Takeshi Yamada; Shoji Makino (ICASSP, 2024)

Accurate Delayed Source Model for Multi-Frame Full-Rank Spatial Covariance Analysis. - Shinya Furunaga; Hiroshi Sawada; Rintaro Ikeshita; Tomohiro Nakatani; Shoji Makino (IWAENC, 2024)

Rethinking Processing Distortions: Disentangling the Impact of Speech Enhancement Errors on Speech Recognition Performance. - Tsubasa Ochiai; Kazuma Iwamoto; Marc Delcroix; Rintaro Ikeshita; Hiroshi Sato; Shoko Araki; Shigeru Katagiri (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Blind and Spatially-Regularized Online Joint Optimization of Source Separation, Dereverberation, and Noise Reduction. - Tetsuya Ueda; Tomohiro Nakatani; Rintaro Ikeshita; Keisuke Kinoshita; Shoko Araki; Shoji Makino (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Geometrically-Regularized Fast Independent Vector Extraction by Pure Majorization-Minimization. - Rintaro Ikeshita; Tomohiro Nakatani (IEEE Trans. Signal Process., 2024)

DOA-informed switching independent vector extraction and beamforming for speech enhancement in underdetermined situations. - Tetsuya Ueda; Tomohiro Nakatani; Rintaro Ikeshita; Shoko Araki; Shoji Makino (EURASIP J. Audio Speech Music. Process., 2024)

Microphone array geometry-independent multi-talker distant ASR: NTT system for DASR task of the CHiME-8 challenge. - Naoyuki Kamo; Naohiro Tawara; Atsushi Ando; Takatomo Kano; Hiroshi Sato; Rintaro Ikeshita; Takafumi Moriya; Shota Horiguchi; Kohei Matsuura; Atsunori Ogawa; Alexis Plaquet; Takanori Ashihara; et al. (Comput. Speech Lang., 2026)