Kazunobu Kondo

69 papers A 2Misc 10Journal 25Unranked 32
YearRankTypeTitle / Venue / Authors
2025 — conf
Demixing Filter Estimation for Bleeding-Sound Reduction of a Vocal Microphone.
APSIPA
Soushi Taninomiya, Daichi Kitamura, Norihiro Takamune, Kouei Yamaoka, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo, Hayato Yamakawa
2025 J jnl
Real-Time Speech Extraction Based on Rank-Constrained Spatial Covariance Matrix Estimation and Spatially Regularized Independent Low-Rank Matrix Analysis With Fast Demixing Matrix Estimation.
IEEE Access
Yuto Ishikawa, Tomohiko Nakamura, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2024 — conf
Auxiliary-Function-Based Steering Vector Estimation Method for Spatially Regularized Independent Low-Rank Matrix Analysis.
APSIPA
Sota Hirata, Norihiro Takamune, Kouei Yamaoka, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2024 — conf
Complexity Reduction for Classification of Musical Instruments Using Element Selection.
IWAENC
Ryu Kato, Natsuki Ueno, Nobutaka Ono, Ryo Matsuda, Kazunobu Kondo
2023 J jnl
PoP-IDLMA: Product-of-Prior Independent Deeply Learned Matrix Analysis for Multichannel Music Source Separation.
IEEE ACM Trans. Audio Speech Lang. Process.
Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2022 Misc conf
Differentiable Digital Signal Processing Mixture Model for Synthesis Parameter Extraction from Mixture of Harmonic Sounds.
ICASSP
Masaya Kawamura, Tomohiko Nakamura, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2022 J jnl
Differentiable Digital Signal Processing Mixture Model for Synthesis Parameter Extraction from Mixture of Harmonic Sounds.
CoRR
Masaya Kawamura, Tomohiko Nakamura, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2021 — conf
Empirical Bayesian Independent Deeply Learned Matrix Analysis For Multichannel Audio Source Separation.
EUSIPCO
Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2021 J jnl
Empirical Bayesian Independent Deeply Learned Matrix Analysis For Multichannel Audio Source Separation.
CoRR
Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2021 J jnl
Independent deeply learned matrix analysis with automatic selection of stable microphone-wise update and fast sourcewise update of demixing matrix.
Signal Process.
Naoki Makishima, Yoshiki Mitsui, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2021 J jnl
Joint-diagonalizability-constrained multichannel nonnegative matrix factorization based on time-variant multivariate complex sub-Gaussian distribution.
Signal Process.
Keigo Kamo, Yoshiki Mitsui, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2021 — conf
Multichannel Audio Source Separation with Independent Deeply Learned Matrix Analysis Using Product of Source Models.
APSIPA ASC
Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2021 J jnl
Multichannel Audio Source Separation with Independent Deeply Learned Matrix Analysis Using Product of Source Models.
CoRR
Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2021 — conf
Prior Distribution Design for Music Bleeding-Sound Reduction Based on Nonnegative Matrix Factorization.
APSIPA ASC
Yusaku Mizobuchi, Daichi Kitamura, Tomohiko Nakamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2021 J jnl
Prior Distribution Design for Music Bleeding-Sound Reduction Based on Nonnegative Matrix Factorization.
CoRR
Yusaku Mizobuchi, Daichi Kitamura, Tomohiko Nakamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 — conf
DNN-Based Frequency Component Prediction for Frequency-Domain Audio Source Separation.
EUSIPCO
Rui Watanabe, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 J jnl
Independent Low-Rank Matrix Analysis Based on Time-Variant Sub-Gaussian Source Model for Determined Blind Source Separation.
IEEE ACM Trans. Audio Speech Lang. Process.
Shinichi Mogami, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo, Nobutaka Ono
2020 — conf
Joint-Diagonalizability-Constrained Multichannel Nonnegative Matrix Factorization Based on Multivariate Complex Student's t-distribution.
APSIPA
Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 — conf
Joint-Diagonalizability-Constrained Multichannel Nonnegative Matrix Factorization Based on Multivariate Complex Sub-Gaussian Distribution.
EUSIPCO
Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 J jnl
Joint-Diagonalizability-Constrained Multichannel Nonnegative Matrix Factorization Based on Multivariate Complex Sub-Gaussian Distribution.
CoRR
Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 Misc conf
Regularized Fast Multichannel Nonnegative Matrix Factorization with ILRMA-Based Prior Distribution of Joint-Diagonalization Process.
ICASSP
Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2020 J jnl
Regularized Fast Multichannel Nonnegative Matrix Factorization with ILRMA-based Prior Distribution of Joint-Diagonalization Process.
CoRR
Keigo Kamo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2019 J jnl
Independent Low-Rank Matrix Analysis Based on Generalized Kullback-Leibler Divergence.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shinichi Mogami, Yoshiki Mitsui, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo, Hiroaki Nakajima, Hirokazu Kameoka
2019 — conf
Robust Demixing Filter Update Algorithm Based on Microphone-wise Coordinate Descent for Independent Deeply Learned Matrix Analysis.
APSIPA
Naoki Makishima, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo
2018 J jnl
Generalized independent low-rank matrix analysis using heavy-tailed distributions for blind source separation.
EURASIP J. Adv. Signal Process.
Daichi Kitamura, Shinichi Mogami, Yoshiki Mitsui, Norihiro Takamune, Hiroshi Saruwatari, Nobutaka Ono, Yu Takahashi, Kazunobu Kondo
2018 — conf
Independent Low-Rank Matrix Analysis Based on Time-Variant Sub-Gaussian Source Model.
APSIPA
Shinichi Mogami, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo, Hiroaki Nakajima, Nobutaka Ono
2018 J jnl
Monaural source enhancement maximizing source-to-distortion ratio via automatic differentiation.
CoRR
Hiroaki Nakajima, Yu Takahashi, Kazunobu Kondo, Yuji Hisaminato
2018 Misc conf
Vectorwise Coordinate Descent Algorithm for Spatially Regularized Independent Low-Rank Matrix Analysis.
ICASSP
Yoshiki Mitsui, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2017 J jnl
Independent Low-Rank Matrix Analysis Based on Parametric Majorization-Equalization Algorithm.
CoRR
Yoshiki Mitsui, Daichi Kitamura, Norihiro Takamune, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2017 — conf
Independent low-rank matrix analysis based on parametric majorization-equalization algorithm.
CAMSAP
Yoshiki Mitsui, Daichi Kitamura, Norihiro Takamune, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2016 — conf
Audio signal separation using supervised NMF with time-variant all-pole-model-based basis deformation.
APSIPA
Hiroaki Nakajima, Daichi Kitamura, Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2016 — conf
Discriminative and reconstructive basis training for audio source separation with semi-supervised nonnegative matrix factorization.
IWAENC
Daichi Kitamura, Nobutaka Ono, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo
2016 — conf
Music signal separation using supervised NMF with all-pole-model-based discriminative basis deformation.
EUSIPCO
Hiroaki Nakajima, Daichi Kitamura, Norihiro Takamune, Shoichi Koyama, Hiroshi Saruwatari, Nobutaka Ono, Yu Takahashi, Kazunobu Kondo
2015 J jnl
Multichannel Signal Separation Combining Directional Clustering and Nonnegative Matrix Factorization with Spectrogram Restoration.
IEEE ACM Trans. Audio Speech Lang. Process.
Daichi Kitamura, Hiroshi Saruwatari, Hirokazu Kameoka, Yu Takahashi, Kazunobu Kondo, Satoshi Nakamura
2014 — conf
Divergence optimization in nonnegative matrix factorization with spectrogram restoration for multichannel signal separation.
HSCMA
Daichi Kitamura, Hiroshi Saruwatari, Satoshi Nakamura, Yu Takahashi, Kazunobu Kondo, Hirokazu Kameoka
2014 J jnl
Effective Frame Selection for Blind Source Separation Based on Frequency Domain Independent Component Analysis.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yusuke Mizuno, Kazunobu Kondo, Takanori Nishino, Norihide Kitaoka, Kazuya Takeda
2014 — conf
Hybrid multichannel signal separation using supervised nonnegative matrix factorization with spectrogram restoration.
APSIPA
Daichi Kitamura, Hiroshi Saruwatari, Satoshi Nakamura, Yu Takahashi, Kazunobu Kondo, Hirokazu Kameoka
2014 J jnl
Music Signal Separation Based on Supervised Nonnegative Matrix Factorization with Orthogonality and Maximum-Divergence Penalties.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Daichi Kitamura, Hiroshi Saruwatari, Kosuke Yagi, Kiyohiro Shikano, Yu Takahashi, Kazunobu Kondo
2014 Misc conf
Music signal separation based on Bayesian spectral amplitude estimator with automatic target prior adaptation.
ICASSP
Yuki Murota, Daichi Kitamura, Shunsuke Nakai, Hiroshi Saruwatari, Satoshi Nakamura, Yu Takahashi, Kazunobu Kondo
2014 J jnl
Musical-noise-free blind speech extraction integrating microphone array and iterative spectral subtraction.
Signal Process.
Ryoichi Miyazaki, Hiroshi Saruwatari, Satoshi Nakamura, Kiyohiro Shikano, Kazunobu Kondo, Jonathan Blanchette, Martin Bouchard
2014 — conf
Theoretical analysis of biased MMSE short-time spectral amplitude estimator and its extension to musical-noise-free speech enhancement.
HSCMA
Shunsuke Nakai, Hiroshi Saruwatari, Ryoichi Miyazaki, Satoshi Nakamura, Kazunobu Kondo
2013 Misc conf
Computationally efficient single channel dereverberation based on complementary wiener filter.
ICASSP
Kazunobu Kondo, Yu Takahashi, Tatsuya Komatsu, Takanori Nishino, Kazuya Takeda
2013 — conf
Music signal separation by supervised nonnegative matrix factorization with basis deformation.
DSP
Daichi Kitamura, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo, Yu Takahashi
2013 A conf
Musical noise analysis for Bayesian minimum mean-square error speech amplitude estimators based on higher-order statistics.
INTERSPEECH
Hiroshi Saruwatari, Suzumi Kanehara, Ryoichi Miyazaki, Kiyohiro Shikano, Kazunobu Kondo
2013 J jnl
Noise adaptive optimization of matrix initialization for frequency-domain independent component analysis.
Digit. Signal Process.
Makoto Yamada, Gordon Wichern, Kazunobu Kondo, Masashi Sugiyama, Hiroshi Sawada
2013 — conf
Robust music signal separation based on supervised nonnegative matrix factorization with prevention of basis sharing.
ISSPIT
Daichi Kitamura, Hiroshi Saruwatari, Kosuke Yagi, Kiyohiro Shikano, Yu Takahashi, Kazunobu Kondo
2013 — conf
Superresolution-based stereo signal separation via supervised nonnegative matrix factorization.
DSP
Daichi Kitamura, Hiroshi Saruwatari, Yusuke Iwao, Kiyohiro Shikano, Kazunobu Kondo, Yu Takahashi
2013 — conf
Toward musical-noise-free blind speech extraction: Concept and its applications.
APSIPA
Ryoichi Miyazaki, Hiroshi Saruwatari, Satoshi Nakamura, Kiyohiro Shikano, Kazunobu Kondo, Jonathan Blanchette, Martin Bouchard
2012 — conf
Comparative study on various noise reduction methods with decision-directed a priori SNR estimator via higher-order statistics.
APSIPA
Suzumi Kanehara, Hiroshi Saruwatari, Ryoichi Miyazaki, Kiyohiro Shikano, Kazunobu Kondo
2012 — conf
Fast source separation based on selection of effective temporal frames.
EUSIPCO
Yusuke Mizuno, Kazunobu Kondo, Takanori Nishino, Norihide Kitaoka, Kazuya Takeda
2012 — conf
Musical-Noise-Free Blind Speech Extraction Using ICA-Based Noise Estimation with Channel Selection.
IWAENC
Ryoichi Miyazaki, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2012 J jnl
Musical-Noise-Free Speech Enhancement Based on Optimized Iterative Spectral Subtraction.
IEEE Trans. Speech Audio Process.
Ryoichi Miyazaki, Hiroshi Saruwatari, Takayuki Inoue, Yu Takahashi, Kiyohiro Shikano, Kazunobu Kondo
2012 — conf
Musical-noise-free blind speech extraction using ICA-based noise estimation and iterative spectral subtraction.
ISSPA
Ryoichi Miyazaki, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2012 Misc conf
Musical-noise-free speech enhancement: Theory and evaluation.
ICASSP
Ryoichi Miyazaki, Hiroshi Saruwatari, Takayuki Inoue, Kiyohiro Shikano, Kazunobu Kondo
2012 J jnl
Practically Efficient Blind Speech Separation Using Frequency Band Selection Based on Magnitude Squared Coherence and a Small Dodecahedral Microphone Array.
J. Electr. Comput. Eng.
Kazunobu Kondo, Yusuke Mizuno, Takanori Nishino, Kazuya Takeda
2012 — conf
Score-informed and timbre independent lead instrument separation in real-world scenarios.
EUSIPCO
Juan J. Bosch, Kazunobu Kondo, Ricard Marxer, Jordi Janer
2012 — conf
Theoretical Analysis of Musical Noise Generation in Noise Reduction Methods with Decision-Directed a Priori SNR Estimator.
IWAENC
Suzumi Kanehara, Hiroshi Saruwatari, Ryoichi Miyazaki, Kiyohiro Shikano, Kazunobu Kondo
2012 — conf
Theoretical analysis of musical noise in nonlinear noise reduction based on higher-order statistics.
APSIPA
Yu Takahashi, Ryoichi Miyazaki, Hiroshi Saruwatari, Kazunobu Kondo
2011 — conf
Efficient blind speech separation suitable for embedded devices.
EUSIPCO
Kazunobu Kondo, Yu Takahashi, Seiichi Hashimoto, Hiroshi Saruwatari, Takanori Nishino, Kazuya Takeda
2011 J jnl
Musical Noise Controllable Algorithm of Channelwise Spectral Subtraction and Adaptive Beamforming Based on Higher Order Statistics.
IEEE Trans. Speech Audio Process.
Hiroshi Saruwatari, Yohei Ishikawa, Yu Takahashi, Takayuki Inoue, Kiyohiro Shikano, Kazunobu Kondo
2011 J jnl
Theoretical Analysis of Musical Noise in Generalized Spectral Subtraction Based on Higher Order Statistics.
IEEE Trans. Speech Audio Process.
Takayuki Inoue, Hiroshi Saruwatari, Yu Takahashi, Kiyohiro Shikano, Kazunobu Kondo
2011 Misc conf
Theoretical analysis of musical noise in Wiener filtering family via higher-order statistics.
ICASSP
Takayuki Inoue, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2010 — conf
Musical noise controllable algorithm of channelwise spectral subtraction and beamforming based on higher-order statistics criterion.
CIP
Yohei Ishikawa, Hiroshi Saruwatari, Yu Takahashi, Kiyohiro Shikano, Kazunobu Kondo
2010 J jnl
Musical-Noise Analysis in Methods of Integrating Microphone Array and Spectral Subtraction Based on Higher-Order Statistics.
EURASIP J. Adv. Signal Process.
Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2010 — conf
Theoretical analysis of musical noise in generalized spectral subtraction: Why should not use power/amplitude subtraction?
EUSIPCO
Takayuki Inoue, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2010 Misc conf
Theoretical musical-noise analysis and its generalization for methods of integrating beamforming and spectral subtraction based on higher-order statistics.
ICASSP
Yu Takahashi, Hiroshi Saruwatari, Hiroshi Shikano, Kazunobu Kondo
2009 A conf
A semi-blind source separation method with a less amount of computation suitable for tiny DSP modules.
INTERSPEECH
Kazunobu Kondo, Makoto Yamada, Hideki Kenmochi
2009 Misc conf
Musical noise analysis based on higher order statistics for microphone array and nonlinear signal processing.
ICASSP
Yu Takahashi, Yoshihisa Uemura, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo
2009 Misc conf
Musical noise generation analysis for noise reduction methods based on spectral subtraction and MMSE STSA estimation.
ICASSP
Yoshihisa Uemura, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano, Kazunobu Kondo