### Journal papers

- D. Sekizawa, S. Takamichi, and H. Saruwatari, “Prosody correction preserving speaker individuality for chinese-accented japanese hmm-based text-to-speech synthesis,” IEICE Transactions on Information and Systems, vol. E102-D, no. 6, 2019. (accepted)
- S. Takamichi and D. Morikawa, “Perceived azimuth-based creditability and self-reported confidence for sound localization experiments using crowdsourcing,” Acoustical Science and Technology, vol. 40, no. 2, pp. 142-143, 2019.
- N. Maikusa, R. Sonobe, S. Kinoshita, N. Kawada, S. Yagishi, T. Masuoka, T. Kinoshita, S. Takamichi, and A. Homma, “Automatic detection of alzheimer’s dementia using speech features of the revised hasegawa’s dementia scale,” Geriatric Medicine, vol. 57, no. 2, pp. 1117-1125, 2019.
- T. Kano, S. Takamichi, S. Sakti, G. Neubig, T. Toda, Satoshi, and Nakamura, “An end-to-end model for cross-lingual transformation of paralinguistic information,” Machine Translation, pp. 1-16, 2018.
- Y. Saito, S. Takamichi, and H. Saruwatari, “Statistical parametric speech synthesis incorporating generative adversarial networks,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 26, no. 1, pp. 84-96, 2018. [第34回 電気通信普及財団 テレコムシステム技術学生賞]
- D. Kitamura, S. Mogami, Y. Mitsui, N. Takamune, H. Saruwatari, N. Ono, and Y. Takahashi, “Generalized independent low-rank matrix analysis using heavy-tailed distributions for blind source separation,” EURASIP Journal on Advances in Signal Processing, 2018. (accepted)
- N. Murata, S. Koyama, N. Takamune, and H. Saruwatari, “Sparse representation using multidimensional mixed-norm penalty with application to sound field decomposition,” IEEE Transactions on Signal Processing, 2018. (accepted)
- N. Ueno, S. Koyama, and H. and Saruwatari, “Sound field recording using distributed microphones based on harmonic analysis of infinite order,” IEEE Signal Processing Letters, 2017.
- S. Koyama, N. Murata, and H. Saruwatari, “Sparse sound field decomposition for super-resolution in recording and reproduction,” Journal of the Acoustical Society of America, 2017. (accepted)
- Y. Saito, S. Takamichi, and H. Saruwatari, “Voice conversion using input-to-output highway networks,” IEICE Transactions on Information and Systems, 2017.
- Y. Bando, H. Saruwatari, N. Ono, S. Makino, K. Itoyama, D. Kitamura, M. Ishimura, M. Takakusaki, N. Mae, K. Yamaoka, Y. Matsui, Y. Ambe, M. Konyo, S. Tadokoro, K. Yoshii, and H. G. Okuno, “Low-latency and high-quality two-stage human-voice-enhancement system for a hose-shaped rescue robot,” Journal of Robotics and Mechatronics, vol. 29, no. 1, 2017.
- S. Takamichi, T. Toda, G. Neubig, S. Sakti, and S. Nakamura, “A statistical sample-based approach to GMM-based voice conversion using tied-covariance acoustic models,” IEICE Transactions on Information and Systems, vol. E99-D, no. 10, pp. 2490-2498, 2016.
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, “Determined blind source separation unifying independent vector analysis and nonnegative matrix factorization,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 24, no. 9, pp. 1626-1641, 2016.
- S. Takamichi, T. Toda, A. W. Black, G. Neubig, S. Sakti, and S. Nakamura, “Post-filters to modify the modulation spectrum for statistical parametric speech synthesis,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 24, no. 4, pp. 755-767, 2016. [日本音響学会 独創研究奨励賞 板倉記念対象論文]
- S. Koyama, K. Furuya, K. Wakayama, S. Shimauchi, and H. Saruwatari, “Analytical approach to transforming filter design for sound field recording and reproduction using circular arrays with a spherical baffle,” Journal of the Acoustical Society of America, vol. 139, no. 3, pp. 1024-1036, 2016.
- Y. Oshima, S. Takamichi, T. Toda, G. Neubig, S. Sakti, and S. Nakamura, “Non-native text-to-speech preserving speaker individuality based on partial correction of prosodic and phonetic characteristics,” IEICE Transactions on Information and Systems, vol. E99-D, no. 12, 2016.
- S. Koyama, K. Furuya, Y. Haneda, and H. Saruwatari, “Source-location-informed sound field recording and reproduction,” IEEE Journal of Selected Topics in Signal Processing, vol. 9, no. 5, pp. 881-894, 2015.
- D. Kitamura, H. Saruwatari, H. Kameoka, Y. Takahashi, K. Kondo, and S. Nakamura, “Multichannel signal separation combining directional clustering and nonnegative matrix factorization with spectrogram restoration,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 23, no. 4, pp. 654-669, 2015.
- F. D. Aprilyanti, J. Even, H. Saruwatari, K. Shikano, S. Nakamura, and T. Takatani, “Suppresion of noise and late reverberation based on blind signal extraction and wiener filtering,” Acoustical Science and Technology, vol. 36, no. 6, pp. 302-313, 2015.
- S. Koyama, K. Furuya, Y. Hiwasaki, Y. Haneda, and Y. Suzuki, “Wave field reconstruction filtering in cylindrical harmonic domain for with-height recording and reproduction,” IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 22, no. 10, pp. 1546-1557, 2014.
- R. Miyazaki, H. Saruwatari, S. Nakamura, K. Shikano, K. Kondo, J. Blanchette, and M. Bouchard, “Musical-noise-free blind speech extraction integrating microphone array and iterative spectral subtraction,” Signal Processing (Elsevier), vol. 102, pp. 226-239, 2014.
- S. Koyama, K. Furuya, H. Uematsu, Y. Hiwasaki, and Y. Haneda, “Real-time sound field transmission system by using wave field reconstruction filter and its evaluation,” IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E97-A, no. 9, pp. 1840-1848, 2014.
- T. Aketo, H. Saruwatari, and S. Nakamura, “Robust sound field reproduction against listener’s movement utilizing image sensor,” Journal of Signal Processing, vol. 18, no. 4, pp. 213-216, 2014.
- T. Miyauchi, D. Kitamura, H. Saruwatari, and S. Nakamura, “Depth estimation of sound images using directional clustering and activation-shared nonnegative matrix factorization,” Journal of Signal Processing, vol. 18, no. 4, pp. 217-220, 2014.
- D. Kitamura, H. Saruwatari, K. Yagi, K. Shikano, Y. Takahashi, and K. Kondo, “Music signal separation based on supervised nonnegative matrix factorization with orthogonality and maximum-divergence penalties,” IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E97-A, no. 5, pp. 1113-1118, 2014.

### Books

- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, “Determined blind source separation with independent low-rank matrix analysis,” in Audio source separation, S. Makino, Ed., Springer, 2018, pp. 125-155.
- H. Saruwatari and R. Miyazaki, “Musical-noise-free blind speech extraction based on higher-order statistics analysis,” in Audio source separation, S. Makino, Ed., Springer, 2018, pp. 333-364.
- H. Saruwatari and R. Miyazaki, “Statistical analysis and evaluation of blind speech extraction algorithms,” in Advances in modern blind source separation techniques: theory and applications, G. Naik and W. Wang, Eds., Springer, 2014, pp. 291-322.

### Invited talks

- M. Une, Y. Saito, S. Takamichi, D. Kitamura, R. Miyazaki, and H. Saruwatari, “Generative approach using the noise generation models for dnn-based speech synthesis trained from noisy speech,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018.
- S. Takamichi, “What can gan and gmmn do for augmented speech communication?,” in GMI workshop, Hiroshima, 2018.
- S. Takamichi, “Modulation spectrum-based speech parameter trajectory smoothing for dnn-based speech synthesis using fft spectra,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Kuala Lumpur, 2017.
- D. Kitamura, N. Ono, and H. Saruwatari, “Experimental analysis of optimal window length for independent low-rank matrix analysis,” in Proceedings of Proceedings of 25th European Signal Processing Conference, Greek island of Kos, 2017.
- S. Koyama, N. Murata, and H. Saruwatari, “Effect of multipole dictionary in sparse sound field decomposition for super-resolution in recording and reproduction,” in Proceedings of International Congress on Sound and Vibration (ICSV), London, 2017.
- 猿渡洋, “ブラインド音源分離再考 -時空間の非ガウス・スパース・低ランクモデリング-,” in 日本音響学会2017年春季研究発表会講演論文集, 2017, p. 1-8-12.
- S. Takamichi, “Speech synthesis that deceives anti-spoofing verification,” in NII Talk, 2016.
- H. Nakajima, D. Kitamura, N. Takamune, S. Koyama, H. Saruwatari, Y. Takahashi, and K. Kondo, “Audio signal separation using supervised NMF with time-variant all-pole-model-based basis deformation,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Jeju, 2016.
- S. Koyama, N. Murata, and H. Saruwatari, “Super-resolution in sound field recording and reproduction based on sparse representation,” in 5th joint meeting of the acoustical society of america and acoustical society of japan, Honolulu, 2016.
- H. Saruwatari, K. Takata, N. Ono, and S. Makino, “Flexible microphone array based on multichannel nonnegative matrix factorization and statistical signal estimation,” in The 22nd international congress on acoustics (ICA2016), 2016.
- S. Koyama, “Source-location-informed sound field recording and reproduction: a generalization to arrays of arbitrary geometry,” in Proceedings of 2016 AES International Conference on sound field control, Guildford, 2016.
- S. Koyama, A. Matsubayashi, N. Murata, and H. Saruwatari, “Sparse sound field decomposition using group sparse bayesian learning,” in Asia-pacific signal and information processing association annual summit and conference (APSIPA ASC), 2015, pp. 850-855.
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, “Relaxation of rank-1 spatial constraint in overdetermined blind source separation,” in In Proceedings of The 2015 European Signal Processing Conference (EUSIPCO2015), Nice, 2015, pp. 1271-1275.
- H. Saruwatari, “Statistical-model-based speech enhancement with musical-noise-free properties,” in In Proceedings of 2015 IEEE International Conference on Digital Signal Processing (DSP2015), Singapore, 2015.
- D. Kitamura, H. Saruwatari, S. Nakamura, Y. Takahashi, K. Kondo, and H. Kameoka, “Hybrid multichannel signal separation using supervised nonnegative matrix factorization with spectrogram restoration,” in APSIPA ASC, Siem Reap, 2014.

### International conferences

- H. Tamaru, Y. Saito, S. Takamichi, T. Koriyama, and H. Saruwatari, “Generative moment matching network-based random modulation post-filter for dnn-based singing voice synthesis and neural double-tracking,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brighton, 2019.
- K. Yoshino, Y. Murase, N. Lubis, K. Sugiyama, H. Tanaka, S. Sakriani, S. Takamichi, and S. Nakamura, “Spoken dialogue robot for watching daily life of elderly people,” in Proceedings of IWSDS, Sicily, 2019.
- S. Shiota, S. Takamichi, and T. Matsui, “Data augmentation with moment-matching networks for i-vector based speaker verification,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018.
- M. Une, Y. Saito, S. Takamichi, D. Kitamura, R. Miyazaki, and H. Saruwatari, “Generative approach using the noise generation models for dnn-based speech synthesis trained from noisy speech,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018, pp. 99-103.
- H. Suda, G. Kotani, S. Takamichi, and D. Saito, “A revisit to feature handling for high-quality voice conversion,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018.
- S. Mogami, N. Takamune, D. Kitamura, H. Saruwatari, Y. Takahashi, K. Kondo, H. Nakajima, and N. Ono, “Independent low-rank matrix analysis based on time-variant sub-gaussian source model,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018. [APSIPA ASC 2018 Best Paper Award]
- T. Akiyama, S. Takamichi, and H. Saruwatari, “Prosody-aware subword embedding considering japanese intonation systems and its application to dnn-based multi-dialect speech synthesis,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Hawaii, 2018.
- S. Mogami, H. Sumino, D. Kitamura, N. Takamune, S. Takamichi, H. Saruwatari, and N. Ono, “Independent deeply learned matrix analysis for multichannel audio source separation,” in Proceedings of European Signal Processing Conference (EUSIPCO), Rome, 2018.
- Y. Takida, S. Koyama, and H. Saruwatari, “Exterior and interior sound field separation using convex optimization: comparison of signal models,” in Proceedings of European Signal Processing Conference (EUSIPCO), Rome, 2018.
- N. Ueno, S. Koyama, and H. Saruwatari, “Kernel ridge regression with constraint of helmholtz equation for sound field interpolation,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Tokyo, 2018.
- S. Takamichi, Y. Saito, N. Takamune, D. Kitamura, and H. Saruwatari, “Phase reconstruction from amplitude spectrograms based on von-mises-distribution deep neural network,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Tokyo, 2018.
- Y. Takida, S. Koyama, N. Ueno, and H. Saruwatari, “Gridless sound field decomposition based on reciprocity gap functional in spherical harmonic domain,” in Proceedings of IEEE sensor array and multichannel signal processing workshop (SAM), Sheffield, 2018, pp. 627-631. [Best Student Paper Award, ONRG sponsored student travel grants]
- S. Takamichi and H. Saruwatari, “Cpjd corpus: crowdsourced parallel speech corpus of japanese dialects,” in Proceedings of Language Resources and Evaluation Conference (LREC), Miyazaki, 2018, pp. 434-437.
- Y. Saito, Y. Ijima, K. Nishida, and S. Takamichi, “Non-parallel voice conversion using variational autoencoders conditioned by phonetic posteriorgrams and d-vectors,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, 2018, pp. 5274-5278.
- Y. Saito, S. Takamichi, and H. Saruwatari, “Text-to-speech synthesis using stft spectra based on low-/multi-resolution generative adversarial networks,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, 2018, pp. 5299-5303.
- N. Ueno, S. Koyama, and H. Saruwatari, “Sound field reproduction with exterior radiation cancellation using analytical weighting of harmonic coefficients,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, 2018, pp. 466-470.
- S. Koyama, G. Chardon, and L. Daudet, “Joint source and sensor placement for sound field control based on empirical interpolation method,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Calgary, 2018, pp. 501-505.
- Y. Mitsui, D. Kitamura, N. Takamune, H. Saruwatari, Y. Takahashi, and K. Kondo, “Independent low-rank matrix analysis based on parametric majorization-equalization algorithm,” in Proceedings of IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Curaçao, 2017.
- N. Mae, Y. Mitsui, S. Makino, D. Kitamura, N. Ono, T. Yamada, and H. Saruwatari, “Sound source localization using binaural different for hose-shaped rescue robot,” in Proceedings of apsipa, Kuala Lumpur, 2017.
- S. Koyama and L. Daudet, “Comparison of reverberation models for sparse sound field decomposition,” in Proceedings of, London, 2017, pp. 214-218.
- S. Takamichi, T. Koriyama, and H. Saruwatari, “Sampling-based speech parameter generation using moment-matching network,” in Proceedings of Interspeech, Stockholm, 2017.
- H. Miyoshi, Y. Saito, S. Takamichi, and H. Saruwatari, “Voice conversion using sequence-to-sequence learning of context posterior probabilities,” in Proceedings of Interspeech, Stockholm, 2017.
- D. Kitamura, N. Ono, and H. Saruwatari, “Experimental analysis of optimal window length for independent low-rank matrix analysis,” in Proceedings of Proceedings of 25th European Signal Processing Conference, Greek island of Kos, 2017. [Invited]
- S. Takamichi, “Modulation spectrum-based speech parameter trajectory smoothing for dnn-based speech synthesis using fft spectra,” in Proceedings of, Kuala Lumpur, 2017. [Invited]
- S. Takamichi, D. Saito, H. Saruwatari, and N. Minematsu, “The utokyo speech synthesis system for blizzard challenge 2017,” in Proceedings of Blizzard Challenge Workshop, Stockholm, 2017.
- S. Koyama, N. Murata, and H. Saruwatari, “Effect of multipole dictionary in sparse sound field decomposition for super-resolution in recording and reproduction,” in Proceedings of International Congress on Sound and Vibration (ICSV), London, 2017. [Invited]
- Y. Mitsui, D. Kitamura, S. Takamichi, N. Ono, and H. Saruwatari, “Blind source separation based on independent low-rank matrix analysis with sparse regularization for time-series activity,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, 2017, pp. 21-25. [Student Paper Contest Finalist]
- N. Ueno, S. Koyama, and H. Saruwatari, “Listening-area-informed sound field reproduction with gaussian prior based on circular harmonic expansion,” in Proceedings of Hands-free Speech Communication and Microphone Arrays (HSCMA), San Francisco, 2017, pp. 196-200.
- R. Sato, H. Kameoka, and K. Kashino, “Fast algorithm for statistical phrase/accent command estimation based on generative model incorporating spectral features,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, 2017, pp. 5595-5599.
- Y. Saito, S. Takamichi, and H. Saruwatari, “Training algorithm to deceive anti-spoofing verification for dnn-based speech synthesis,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, 2017, pp. 4900-4904. [Spoken Language Processing Student Grant]
- N. Ueno, S. Koyama, and H. Saruwatari, “Listening-area-informed sound field reproduction based on circular harmonic expansion,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, 2017, pp. 111-115.
- N. Murata, S. Koyama, N. Takamune, and H. Saruwatari, “Spatio-temporal sparse sound field decomposition considering acoustic source signal characteristics,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), New Orleans, 2017, pp. 441-445.
- N. Mae, M. Ishimura, D. Kitamura, N. Ono, T. Yamada, S. Makino, and H. Saruwatari, “Ego noise reduction for hose-shaped rescue robot combining independent low-rank matrix analysis and multichannel noise cancellation,” in Proceedings of International Conference on Latent Variable Analysis and Signal Separation (LVA/ICA), Grenoble, 2017, pp. 141-151.
- H. Nakajima, D. Kitamura, N. Takamune, S. Koyama, H. Saruwatari, Y. Takahashi, and K. Kondo, “Audio signal separation using supervised NMF with time-variant all-pole-model-based basis deformation,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Jeju, 2016. [Invited]
- S. Koyama, N. Murata, and H. Saruwatari, “Super-resolution in sound field recording and reproduction based on sparse representation,” in Proceedings of 5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan, Honolulu, 2016. [Invited]
- K. Kobayashi, S. Takamichi, S. Nakamura, and T. Toda, “The NU-NAIST voice conversion system for the voice conversion challenge 2016,” in Proceedings of Interspeech, San Francisco, 2016, pp. 1667-1671.
- M. Takakusaki, D. Kitamura, N. Ono, T. Yamada, S. Makino, and H. Saruwatari, “Ego-noise reduction for a hose-shaped rescue robot using determined rank-1 multichannel nonnegative matrix factorization,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Xian, 2016.
- M. Ishimura, S. Makino, T. Yamada, N. Ono, and H. Saruwatari, “Noise reduction using independent vector analysis and noise cancellation for a hose-shaped rescue robot,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Xian, 2016.
- D. Kitamura, N. Ono, H. Saruwatari, Y. Takahashi, and K. Kondo, “Discriminative and reconstructive basis training for audio source separation with semi-supervised nonnegative matrix factorization,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), Xian, 2016.
- L. Li, H. Kameoka, T. Higuchi, and H. Saruwatari, “Semi-supervised joint enhancement of spectral and cepstral sequences of noisy speech,” in Proceedings of Interspeech, San Francisco, 2016, pp. 3753-3757.
- H. Nakajima, D. Kitamura, N. Takamune, S. Koyama, H. Saruwatari, N. Ono, Y. Takahashi, and K. Kondo, “Music signal separation using supervised nmf with all-pole-model-based discriminative basis deformation,” in Proceedings of The 2016 European Signal Processing Conference (EUSIPCO), Budapest, 2016, pp. 1143-1147.
- N. Murata, H. Kameoka, K. Kinoshita, S. Araki, T. Nakatani, S. Koyama, and H. Saruwatari, “Reverberation-robust underdetermined source separation with non-negative tensor double deconvolution,” in Proceedings of The 2016 European Signal Processing Conference (EUSIPCO), Budapest, 2016, pp. 1648-1652.
- S. Koyama, “Source-location-informed sound field recording and reproduction: a generalization to arrays of arbitrary geometry,” in Proceedings of 2016 AES International Conference on Sound Field Control, Guildford, 2016. [Invited]
- Y. Mitsufuji, S. Koyama, and H. Saruwatari, “Multichannel blind source separation based on non-negative tensor factorization in wavenumber domain,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Shanghai, 2016, pp. 56-60.
- S. Koyama and H. Saruwatari, “Sound field decomposition in reverberant environment using sparse and low-rank signal models,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Shanghai, 2016, pp. 395-399.
- N. Murata, S. Koyama, H. Kameoka, N. Takamune, and H. Saruwatari, “Sparse sound field decomposition with multichannel extension of complex nmf,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Shanghai, 2016, pp. 345-349.
- N. Murata, S. Koyama, N. Takamune, and H. Saruwatari, “Sparse sound field decomposition with parametric dictionary learning for super-resolution recording and reproduction,” in Proceedings of IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2015.
- S. Koyama, A. Matsubayashi, N. Murata, and H. Saruwatari, “Sparse sound field decomposition using group sparse bayesian learning,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2015, pp. 850-855. [Invited]
- S. Koyama, K. Ito, and H. Saruwatari, “Source-location-informed sound field recording and reproduction with spherical arrays,” in Proceedings of IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA), New Paltz, 2015.
- Y. Murota, D. Kitamura, S. Koyama, H. Saruwatari, and S. Nakamura, “Statistical modeling of binaural signal and its application to binaural source separation,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brisbane, 2015, pp. 494-498.
- S. Koyama, N. Murata, and H. Saruwatari, “Structured sparse signal models and decomposition algorithm for super-resolution in sound field recording and reproduction,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brisbane, 2015, pp. 619-623.
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, “Efficient multichannel nonnegative matrix factorization exploiting rank-1 spatial model,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Brisbane, 2015, pp. 276-280.
- H. Saruwatari, “Statistical-model-based speech enhancement with musical-noise-free properties,” in In Proceedings of 2015 IEEE International Conference on Digital Signal Processing (DSP2015), Singapore, 2015. [Invited]
- D. Kitamura, N. Ono, H. Sawada, H. Kameoka, and H. Saruwatari, “Relaxation of rank-1 spatial constraint in overdetermined blind source separation,” in Proceedings of European Signal Processing Conference (EUSIPCO), Nice, 2015, pp. 1261-1265. [Invited]
- D. Kitamura, H. Saruwatari, S. Nakamura, Y. Takahashi, K. Kondo, and H. Kameoka, “Hybrid multichannel signal separation using supervised nonnegative matrix factorization with spectrogram restoration,” in Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Siem Reap, 2014. [Invited]
- S. Koyama, P. Srivastava, K. Furuya, S. Shimauchi, and H. Ohmuro, “STSP: space-time stretched pulse for measuring spatio-temporal impulse response,” in Proceedings of International Workshop on Acoustic Signal Enhancement (IWAENC), 2014, pp. 309-313.
- S. Nakai, H. Saruwatari, R. Miyazaki, S. Nakamura, and K. Kondo, “Theoretical analysis of biased MMSE short-time spectral amplitude estimator and its extension to musical-noise-free speech enhancement,” in Proceedings of Hands-free Speech Communication and Microphone Arrays (HSCMA), Nancy, 2014.
- F. Aprilyanti, H. Saruwatari, K. Shikano, S. Nakamura, and T. Takatani, “Optimized joint noise suppression and dereverberation based on blind signal extraction for hands-free speech recognition system,” in Proceedings of Hands-free Speech Communication and Microphone Arrays (HSCMA), Nancy, 2014.
- Y. Haneda, K. Furuya, S. Koyama, and K. Niwa, “Close-talking spherical microphone array using sound pressure interpolation based on spherical harmonic expansion,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, 2014, pp. 604-608.
- S. Koyama, S. Shimauchi, and H. Ohmuro, “Sparse sound field representation in recording and reproduction for reducing spatial aliasing artifacts,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, 2014, pp. 4476-4480.
- Y. Murota, D. Kitamura, S. Nakai, H. Saruwatari, S. Nakamura, Y. Takahashi, and K. Kondo, “Music signal separation based on bayesian spectral amplitude estimator with automatic target prior adaptation,” in Proceedings of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, 2014, pp. 7540-7544.
- D. Kitamura, H. Saruwatari, S. Nakamura, Y. Takahashi, K. Kondo, and H. Kameoka, “Divergence optimization in nonnegative matrix factorization with spectrogram restoration for multichannel signal separation,” in Proceedings of Hands-free Speech Communication and Microphone Arrays (HSCMA), Nancy, 2014.