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Last modified:
28 August 2019
Publications 2019
  • Candy Olivia Mawalim and Masashi Unoki,
    "Feasibility of Audio Information Hiding Using Linear Time Variant IIR Filter Based on Cochlear Delay,"
    J. Signal Processing, Vol. 23, No. 4, pp. 155-158, July 2019.

  • Shengbei Wang, Weitao Yuan, Jianming Wang, and Masashi Unoki,
    "Speech Watermarking Based on Source-filter Model of Speech Production,"
    Journal of Information Hiding and Multimedia Signal Processing, 2019 (accepted)\.
  • Weitao Yuan, Shengbei Wang, Xiangrui Li, Masashi Unoki, and Wenwu Wang,
    "A Skip Attention Mechanism for Monaural Singing Voice Separation,"
    IEEE Signal Processing Letter, 2019. DOI: 10.1109/LSP.2019.2935867

  • Shengbei Wang, Weitao Yuan, Jianming Wang, and Masashi Unoki,
    "Detection of Speech Tampering Using Sparse Representations and Spectral Manipulations Based Information Hiding,"
    Speech Communication, vol. 112, pp. 1-14, 2019.
    DOI: https://doi.org/10.1016/j.specom.2019.06.004

  • Kasorn Galajit, Jessada Karnjana, Masashi Unoki, and Pakinee Aimmanee,
    "Semi-Fragile Speech Watermarking based on Singular Spectrum Analysis with CNN-based Parameter Estimation for Tampering Detection,"
    APSIPA Transactions on Signal and Information Processing, 2019 (accepted).

  • Miho Kawamura, Maori Kobayashi, Shunsuke Kidani, Masato Akagi, Masashi Unoki,
    "How the temporal amplitude envelope of speech contributes to urgency perception,"
    Proceedings of 23rd International Congress on Acoustics, Aachen, Germany, ICA 2019, Sept. 2019 (accepted).

  • Shengbei Wang, Weitao Yuan, Jianming Wang, and Masashi Unoki,
    "Inaudible speech watermarking based on self-compensated echo-hiding and sparse subspace clustering,"
    Proc. ICASSP2019, May 2019 (accepted).

  • Weitao Yuan, Shengbei Wang, Xiangrui Li, Masashi Unoki, and Wenwu Wang,
    "Proximal deep recurrent neural network for monaural singing voice separation,"
    Proc. ICASSP2019, May 2019 (accepted).

  • Publications 2018
  • Weitao Yuan, Boxin He, Shengbei Wang, Jianming Wang, Masashi Unoki,
    "Enhanced Feature Network for Monaural Singing Voice Separation,"
    Speech Communication, vol. 106, pp. 1-6, Jan. 2019.
    https://doi.org/10.1016/j.specom.2018.11.004

  • Zhi Zhu, Yukiko Araki, Ryota Miyauchi and Masashi Unoki,
    "Contribution of modulation spectral features on the perception of vocal-emotion using noise-vocoded speech,,"
    Acoustical Science and Technology, vol. 39, no. 6, pp. 379-386, Nov. 2018.
    DOI: https://doi.org/10.1250/ast.39.379

  • Zhi Zhu, Yukiko Araki, Ryota Miyauchi and Masashi Unoki,
    "Contributions of Temporal Cue on the Perception of Speaker Individuality and Vocal Emotion for Noise-Vocoded Speech,,"
    Acoustical Science and Technology, vol. 39, no. 3, pp. 234-242, 2018.
    DOI: https://doi.org\/10.1250/ast.39.234

  • Reiya Namikawa and Masashi Unoki,
    "Study on speech watermarking method based on spread-spectrum using linear prediction residue,"
    Proc. 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2019), pp. 327-330, Honolulu, Hawaii, USA, March, 2019.

  • Candy Olivia Mawalim and Masashi Unoki, ,
    "Feasibility of Audio Information Hiding Using Linear Time Variant IIR Filter Based on Cochlear Delay,"
    Proc. 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2019), pp. 323-326, Honolulu, Hawaii, USA, March, 2019.

  • Tatsuya Hatakeyama and Masashi Unoki,
    "Study on the method for estimating perceptual age using sound quality metrics,,"
    Proc. 2019 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP2019), pp. 327-330, Honolulu, Hawaii, USA, March, 2019.

  • Kasorn Galajit, Jessada Karnjana, Aakinee Aimmanee and Masahi Unoki,
    "Digital Audio Watermarking Method Based on Singular Spectrum Analysis with Automatic Parameter Estimation Using a Convolutional Neural Network,"
    Proc. IIHMSP2018, Nov. 2018.

  • Zhu Zhi, Ryota Miyauchi, Yukiko Araki, and Masashi Unoki,
    "Study on the relationship between modulation spectral features and the perception of vocal emotion with noise-vocoded speech,"
    J. Acoust. Soc. Am., Vol. 144, pp. 1804, Nov. 2018.
    https://doi.org/10.1121/1.5067964

  • Teruki Toya, Peter Birkholz, and Masashi Unoki,
    "Analysis of spectral and transmission characteristics of bone-conducted speech using real utterances and transcutaneous vibration,"
    J. Acoust. Soc. Am., Vol. 144, pp. 1838, Nov. 2018.
    https://doi.org/10.1121/1.5068103

  • Kasorn Galajit, Mongkonchai Intarauksom, Jessada Karnjana, Pakinee Aimmaneey, and Masashi Unoki,
    "Speech Watermarking Technique Based on Singular Spectrum Analysis and Automatic Parameter Estimation using Differential Evolution for Tampering Detection,"
    Proc. The 13th International Joint Symposium on Artificial Intelligence and Natural Language Processing (iSAI NLP 2018), pp. 244-249, Nov. 2018.

  • Takuto Isoyama and Masashi Unoki,
    "Noise Suppression Method Based on Modulation Spectrum Analysis,"
    Proc. SPECOM2018, Leipzig, Germany, Sept. 2018.

  • Zhichao Peng, Zhi Zhu, Masashi Unoki, Jianwu Dang, Masato Akagi,
    "Auditory-inspired end-to-end speech emotion recognition using 3D convolutional recurrent neural networks based on spectral-temporal modulation,"
    Proc. ICMC2018, San Diego, CA, USA, July 2018.

  • Shengbei Wang, Weitao Yuan, Jianming Wang, Masashi Unoki,
    "Speech watermarking based on robust principal component analysis and formant manipulations,"
    Proc. ICASSP2018, pp. 2082-2086, Calgary, Canada, April 2018.

  • Nguyen Khanh Bui, Daisuke Morikawa, Masashi Unoki,
    "Method of estimating direction of arrival of sound source for monaural hearing based on temporal modulation perception,"
    Proc. ICASSP2018, pp. 5014-5018, Calgary, Canada, April 2018.

  • Publications 2017
  • Masashi Unoki, Akikazu Miyazaki, Shota Morita, and Masato Akagi,
    "Method of Blindly Estimating Speech Transmission Index in Noisy Reverberant Environments,"
    Journal of In\formation Hiding and Multimedia Signal Processing, Vol. 8, No. 6, 1430-1445, 2017.

  • Shota Morita, Xugang Lu, Masashi Unoki, and Masato Akagi,
    "Method of Estimating Signal-to-Noise Ratio Based on Optimal Design for Sub-band Voice Activity Detection,"
    Journal of Information Hiding and Multimedia Signal Processing, Vol. 8, No. 6, pp. 1446-1459, 2017.

  • Surasak Boonkla, Masashi Unoki, Chai Wutiwiwatchai, and Stanislav S. Makhanov,
    "F0 Estimation Using Empirical Mode Decomposition and Complex Cepstrum Analysis in Reverberant Environments,"
    Proc. APSIPA2017, Kuala Lumpur, Malaysia, Dec. 2017.
    DOI: 10.1109/APSIPA.2017.8282165

  • Masashi Unoki, Yuta Kashihara, Maori Kobayashi, and Masato Akagi,
    "Study on method for protecting speech privacy by actively controlling speech transmission index in simulated room,"
    Proc. APSIPA2017, Kuala Lumpur, Malaysia, Dec. 2017.
    DOI: 10.1109/APSIPA.2017.8282212

  • Zhichao Peng, Zhi Zhu, Masashi Unoki, Jianwu Dang, Masato Akagi,
    "Speech Emotion Recognition Using MPCRNN based on Gammatone auditory filterbank,"
    Proc. APSIPA2017, Kuala Lumpur, Malaysia, Dec. 2017.
    DOI: 10.1109/APSIPA.2017.8282316

  • Jessada Karnjana, Kasorn Galajit, Pakinee Aimmaneey, Chai Wutiwiwatchai, and Masashi Unoki,
    "Speech Watermarking Scheme Based on Singular-Spectrum Analysis for Tampering Detection and Identification,"
    Proc. APSIPA2017, Kuala Lumpur, Malaysia, Dec. 2017.
    DOI: 10.1109/APSIPA.2017.8282027

  • Zhi Zhu, Ryota Miyauchi, Yukiko Araki, and Masashi Unoki,
    "Important role of temporal cues in speaker identification for simulated cochlear implants,"
    Proc. 1st International Workshop on Challenges in Hearing Assistive Technology (CHAT-2017), pp. 51-55, Stockholm, Sweden, Aug. 2017.

  • Zhi Zhu, Ryota Miyauchi, Yukiko Araki, and Masashi Unoki,
    "Feasibility of Vocal Emotion Conversion on Modulation Spectrogram for Simulated Cochlear Implants,"
    Proc. EUSIPCO2017, pp. 1884-1888, Kos Island, Greece, Aug. 2017.
    DOI: 10.23919/EUSIPCO.2017.8081526

  • Kenichiro Miwa and Masashi Unoki,
    "Robust method for estimating F0 of complex tone based on pitch perception of amplitude modulated signal,"
    Proc. Interspeech2017, pp. 2311-2315, Stockholm, Sweden, Aug. 2017.
    DOI: 10.21437/Interspeech.2017-1061

  • Zhi Zhu, Ryota Miyauchi, Yukiko Araki, and Masashi Unoki,
    "The role of spectral and temporal cues for vocal emotion recognition by cochlear implant simulations,"
    J. Acoust. Soc. Am., Vol. 141, No. 5, Pt. 2, pp. 3816, May 2017.

  • Teruki Toya and Masashi Unoki,
    "Presentation method as air- and bone-conducted speech for delayed auditory feedback,"
    J. Acoust. Soc. Am., Vol. 141, No. 5, Pt. 2, pp. 3820, May 2017.
    DOI: 10.1121/1.4988471

  • Dung Kim Tran and Masashi Unoki,
    "Study on speech representation based on spikegram for speech fingerprints,"
    Proc. IIHMSP2017, Shimane, Aug., 2017 (CDROM).
    DOI: 10.1007/978-3-319-63859-1_20

  • Publications 2016
  • Jessada Karnjana, Masashi Unoki, Pakinee Aimmanee and Chai Wutiwiwatchai,
    "Audio Watermarking Scheme Based on Singular-Spectrum Analysis and Psychoacoustic Model with Self Synchronization,"
    Journal of Electrical and Computer Engineering, Volume 2016, Article ID 5067313, pp. 1-15, Dec. 2016,
    DOI: http://dx.doi.org/10.1155/2016/5067313.

  • Yang Liu, Naushin Nower, Shota Morita, and Masashi Unoki,
    "Speech enhancement of instantaneous amplitude and phase for applications in noisy reverberant environments,"
    Speech Communication, vol. 84, pp. 1-14, Nov., 2016.
    http://dx.doi.org/10.1016/j.specom.2016.08.002

  • Surasak Boonkla, Masashi Unoki, Stanislav S. Makhanov, and Chai Wutiwitatchai,
    "Speech Analysis Method Based on Source-Filter Model Using Multivariate Empirical Mode Decomposition,"
    IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E99-A, No. 10, pp. 1762-1773, Oct. 2016.
    DOI: https://doi.org/10.1587/transfun.E99.A.1762

  • Zhi Zhu, Yasutaka Nishino, Ryota Miyauchi and Masashi Unoki,
    "Study on linguistic information and speaker individuality contained in temporal envelope of speech,"
    Acoustical Science and Technology, Vol. 37, No. 5, pp. 258-261, Sept. 2016.
    DOI: https://doi.org/10.1250/ast.37.258

  • Publications 2015
  • Shengbei Wang, Ryota Miyauchi, Masashi Unoki, and Nam Soo Kim,
    "Tampering Detection Scheme for Speech Signals using Formant Enhancement based Watermarking,"
    Journal of Information Hiding and Multimedia Signal Processing, Vol. 6, No. 6, pp. 1264-1283, Nov. 2015.

  • Shota Morita, Masashi Unoki, Xugang Lu, and Masato Akagi,
    "Robust Voice Activity Detection Based on Concept of Modulation Transfer Function in Noisy Reverberant Environments,"
    Journal of Signal Processing Systems, Vol. 82, No. 2, pp. 163-173, Feb. 2016
    DOI: 10.1007/s11265-\015-1014-4.

  • Naushin Nower, Yang Liu, and Masashi Unoki,
    "Restoration Scheme of Instantaneous Amplitude and Phase Using Kalman Filter with Efficient Linear Prediction for Speech Enhancement,"
    Speech Communication, Vol. 70, pp. 13-27, June 2015.
    doi:10.1016/j.specom.2015.02.006.

  • Publications 2014
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    10. Nhut Mihn Ngo, Masashi Unoki, Ryota Miyauchi, Y?ichi Suzuki, \201gData \Hiding Scheme for Amplitude Modulation Radio Broadcasting Systems,\201h Journal of Information Hiding and M\ultimedia Signal Processing, Vol. 5, No. 3, pp. 324-341, July 2014.

  • Publications 2013
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    11. Xugang, Lu, Masashi Unoki, Shigeki Matsuda, Chiori Hori, Hideki Kashiok\a \201gControlling tradeoff between approximation accuracy and complexity of a smooth function in a reprodu\cing kernel Hilbert space for noise reduction,\201h IEEE Trans. Signal Processing, vol. 61, no. 3, \pp. 601-610, 2013, DOI 10.1109/TSP.2012.2229991, Feb. 2013.

  • Publications 2012
    Publications 2011
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    12. Xugang Lu, Masashi Unoki, and Satoshi Nakamura, \201gSub-band temporal \modulation envelopes and their normalization for automatic speech recognition in reverberant environment\s,\201h Computer Speech and Language, vol. 25, pp. 571-584, 2011. DOI 10.1016/j.csl.2010.10.002.

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    13. Masashi Unoki, Kuniaki Imabeppu, Daiki Hamada, Atsushi Haniu, and Ryota\ Miyauchi, \201gEmbedding limitations with digital-audio watermarking method based on cochlear delay char\acteristics,\201h Journal of Information Hiding and Multimedia Signal Processing, vol. 2, No. 1, pp. 1-23, J\anuary 2011.

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  • Publications 2010
  • Masashi Unoki, Kuniaki Imabeppu, Daiki Hamada, Atsushi Haniu, and Ryota Miyauchi,
    "Embedding limitations with digital-audio watermarking method based on cochlear delay characteristics,"
    Journal of InformationHiding and Multimedia Signal Processing, 2010 (accepted).

  • Masashi Unoki and Daiki Hamada,
    "Method of digital-audio watermarking based on cochlear delay characteristics,"
    International Journal of Innovative Computing, Information and Control, vol. 6, no. 3(B), pp. 1325-1346, March 2010.

  • Xugang Lu, Shigeki Matsuda, Masashi Unoki, and Satoshi Nakamura,
    "Temporal contrast normalization and edge-preserved smoothing of temporal modulation structures of speech for robust speech recognition,"
    Speech communication, vol. 52, pp. 1-11, 2010.

  • Tomoki Sawaguchi and Masashi Unoki,
    "Investigation of a Method of Speech Signal Analysis Using Empirical Mode Decomposition,"
    J. Signal Processing, Vol. 14, No. 4, pp. 273-276, July 2010.

  • Shota Morita, Masashi Unoki, and Masato Akagi,
    "A Study on the IMTF-Based Filtering on the Modulation Spectrum of Reverberant Signal,"
    J. Signal Processing, Vol. 14, No. 4, pp. 269-272, July 2010.

  • Xugang Lu, Shigeki Matsuda, Masashi Unoki, and Satoshi Nakamura,
    "Temporal modulation normalization for fobust speech feature extraction and recognition,"
    Multimedia Tools and Applications, Springer Netherlands, Jan. 2010. DOI 10.1007/s11042-010-0465-7.

  • Shunsuke Kidani and Masashi Unoki,
    "Effect of Presence of Cue Tone on Tuning of Auditory Filter Derived from Simultaneous Masking,"
    Neurophysiological Bases of Auditory Perception, Edited by Enrique Lopez-Poveda, Alan R. Palmer, Ray Meddis, Chapter 12, pp.121-130, Springer, New York, 2010.

  • Naoki Kuroda, Junfeng Li, Yukio Iwaya, Masashi Unoki, and Masato Akagi,
    "Effects of spatial cues on detectability of alarmsignals in noisy environments,"
    INTERNATIONAL WORKSHOP ON THE PRINCIPLES AND APPLICATIONS OF SPATIAL HEARING 2009 (IWPASH 2009), Edited by Yoiti Suzuki, Douglas Brungart, Hiroaki Kato, Kazuhiro Iida, Densil Cabrera, & Yukio Iwaya, World Scientific, 2010 (Accepted).

  • Masashi Unoki, Toshizou Kosugi, Atsushi Haniu, and Ryota Miyauchi,
    "Desigh of IIR all-pass filter based on cochlear delay to reduce embedding limitations,"
    Proc. IIHMSP2010, Oct. 2010 (accepted).

  • Rico Petrick, Thomas Feher, Masashi Unoki, and Rudiger Hoffmann,
    "Methods for robust speech recognition in reverberant environments: A comparison,"
    Proc. Interspeech2010, Sept. 2010 (Accepted).

  • Xugang Lu, Masashi Unoki, Ryosuke Isotani, Hisashi Kawai, and Satoshi Nakamura,
    "Voice activity detection in a regularized reproducing kernel Hilbert space,"
    Proc. Interspeech2010, Sept. 2010 (Accepted).

  • Shunsuke Kidani, Ryota Miyauchi, and Masashi Unoki,
    "Effects of the presence of cue tone in signal detection varies with relationships between cue tone and signal frequencies,"
    Proceedings of 20th International Congress on Acoustics, ICA 2010, 23-27 August 2010, Sydney, Australia (accepted).

  • Xugang Lu, Masashi Unoki, and Satoshi Nakamura,
    "Normalization on subband temporal envelopes for large vocabulary continuous speech recognition,"
    Proc. IASTED SIP2010, 710-058, pp. 7-12, Maui,Hawaii,USA,Aug.2010.

  • Trung Nghia Phung, Masashi Unoki, Masato Akagi,
    "Comparative evaluation of bone-conducted-speech restoration based on linear prediction scheme,"
    EA2010-31, pp. 53-58, June 2010.

  • Publications 2009
  • Atsushi Haniu, Ryota Miyauchi, and Masashi Unoki,
    "Comparative evaluations of inaudible digital-audio watermarking using objective detection tests,"
    Proc. 2010 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP10), pp. 460-463, March 2010.

  • Shota Morita, Masashi Unoki, and Masato Akagi,
    "A study on the IMTF-based filtering on the modulation spectrum of reverberant speech,"
    Proc. 2010 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP10), pp. 265-268 March 2010.

  • Tomoki Sawaguchi and Masashi Unoki,
    "A study on a method of speech signal analysis using the empirical mode decomposition and its applications,"
    Proc. 2010 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP10), pp. 345-348, March 2010.

  • Xugang Lu, Masashi Unoki, and Satoshi Nakamura,
    "Normalization on the modulation spectrum of the subband temporal envelopes for automatic speech recognition in reverberant environments,"
    Proc. 3rd International Universal Communication Symposium, pp. 247-254, Dec. 2009.

  • Naoki Kuroda, Junfeng Li, Yukio Iwaya, Masashi Unoki, and Masato Akagi,
    "Effects of spatial cues on detectability of alarm signals in noisy environments,"
    Proc. WPASH2009,P7.Zaou,Japan,Nov.2009(CDROM).

  • Atsushi Haniu, Masashi Unoki, and Masato Akagi,
    "A psychoacoutically-motivated conceptual model for automatic speech recognition,"
    Proc.WESPAC X, Beijing, China, Sept. 2009 (CDROM).

  • Xugang Lu, Masashi Unoki, and Satoshi Nakamura,
    "Subband temporal modulation spectrum normalization for automatic speech recognition in reverberant environments,"
    Proc. Interspeech2009, pp. 2503-2506,Brighton, U.K., Sept. 2009.

  • Kuniaki Imabeppu, Daiki Hamada, and Masashi Unoki,
    "Embedding limitations with audio-watermarking method based on cochlear delay characteristics,"
    Proc. IIHMSP2009, pp. 82-85, Kyoto, Japan, Sept. 2009.

  • Masashi Unoki, Yutaka Yamasaki, and Masato Akagi,
    "MTF-based power envelope restoration in noisy reverberant environments,"
    Proc. EUSIPCO2009, pp. 228-232, Glasgow, U. K., August 2009.

  • Kota Kinugasa, Masashi Unoki, and Masato Akagi,
    " An MTF-based method for restoring bone-conducted speech,"
    Proc. SPECOM2009, pp. 199-204, St. Petersburg, Russia, 2009.

  • Shunsuke Kidani and Masashi Unoki,
    "The effect of presence of cue-tone on tuning of auditory filter derived from simultaneous masking,"
    Proc. 15th International Symposium on Hearing (ISH2009), Salamanca, Spain, June 2009.

  • Xugang Lu, Shigeki Matsuda, Masashi Unoki, Tohru Shimizu, and Satoshi Nakamura,
    "Temporal contrast normalization and edge-preserved smoothing on temporal modulation structure for robust speech recognition,"
    Proc. 2009 International Conference on Acoustics, Speech, and Signal Processing (ICASSP2009), pp. 4573-4576, Taipei, April 2009.

  • Masashi Unoki,
    "Method of Digital Audio/Speech Watermarking Based on Cochlear Delay Characteristics,"
    19th Czech-German Workshop Speech Processing, Institute of Physics of the Academy of Science, Czech, 29th Sept. 2009.

  • Masashi Unoki,
    "Deriving the time constants of the auditory filter from simultaneous and forward masking data,"
    The latest on Gammatone-like Auditory Filterbanks: their definition, derivation and implementation, University of Cambridge, St. John's College, 12th Mar. 2008.

  • Masashi Unoki and Daiki Hamada,
    "Method of digital-audio watermarking based on cochlear delay characteristics,"
    International Journal of Innovative Computing, Information and Control, Vol. 6, No. 3, pp. 1325-1346, 2009.

  • Yutaka Yamasaki and Masashi Unoki,
    "Study on a method of suppressing noise based on the MTF concept,"
    J. Signal Processing, Vol. 13, No. 4, pp. 335-338, July 2009.

  • Kota Kinugasa, Masashi Unoki, and Masato Akagi,
    "An MTF-based method of blind restoration for improving intelligibility of bone-conducted speech,"
    J. Signal Processing, Vol. 13, No. 4, pp. 339-349, July 2009.

  • Yasuki Murakami and Masashi Unoki,
    "Nonlinear responses of a nonlinear cochlear model with the function of an outer hair cell model,"
    Concepts and Challenges in the Biophysics of Hearing, N. P. Cooper and D. T. Kemp Eds, pp. 343-349, World Scientific, London, 2009.

  • Dongwen Ying, Masashi Unoki, Xugang Lu, and Jianwu Dang,
    "Speech Enhancement based on Noise Eigenspace Projection,"
    IEICE Trans. INF. &SYST., Vol. E92-D, No. 5, pp. 1137-1145, May 2009.

  • Publications 2008
  • Xugang Lu, Masashi Unoki, and Masato Akagi,
    "Comparative evaluation of modulation-transfer-function-based blind restoraton of sub-band power envelopes of speech as a front-end processor for automatic speech recognition systems,"
    Acoust. Sci. &Tech. Vol. 29, No. 6, pp. 351-361, 2008.

  • Masashi Unoki and Daiki Hamada,
    "Audio watermarking method based on the cochlear delay characteristics,"
    Proc. IIHMSP2008, pp. 616-619, August 2008.

  • Sota Hiramatsu and Masashi Unoki,
    "A Study on the Blind Estimation of Reverberation Time in Room Acoustics,"
    J. Signal Processing, vol. 12, no. 4, pp. 323-326, July 2008.

  • Daiki Hamada and Masashi Unoki,
    " A Study on Audio Watermarking Method Based on the Cochlear Delay Characteristics,"
    J. Signal Processing, vol. 12, no. 4, pp. 315-318, July 2008.

  • Xugang Lu, Masashi Unoki, and Masato Akagi,
    "An MTF-based blind restoration of temporal power envelopes as a prond-end processor for automatic speech recognition systems in reverberant environments,"
    Proc. Acoustics08 Paris, pp. 1419-1424, July 2008.

  • Masashi Unoki and Sota Hiramatsu,
    "Blind estimation method of reverberation time based on concept of modulation transer function,"
    Proc. Acoustics08 Paris, pp. 4489-4494, July 2008.

  • Yasuki Murakami and Masashi Unoki,
    "Nonlinear responses of a nonlinear cochlear model with the function of an outer hair cell model,"
    Proc. Mechanics of Hearing Workshop 2008, pp. 314-320, Keele, July 2008.

  • Thang tat Vu, Masashi Unoki, and Masato Akagi,
    "An LP-based blind Model for Restoring Bone-conducted Speech,"
    Proc. HUT-ICCE2008, pp. 212-217 June 2008.

  • Eriko Aiba, Minoru Tsuzaki, Satomi Tanaka, and Masashi Unoki,
    "Judgment of perceptual synchrony between two pulses and verification of its relation to cochlear delay by an auditory model,"
    Journal of Japanese Psychological Research, Vol. 50, No. 4, pp. 204-213, 2008.

  • Naoki Kuroda, Junfeng Li, Yukio Iwaya, Masashi Unoki, and
    Masato Akagi
    "Effects from spatial cues on detectability of alarm signals in car environments,"
    Proc. 2009 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP09), pp. 45-48, Waikiki, Hawaii, USA, March 2009.

  • Kota Kinugasa, Masashi Unoki, and Masato Akagi,
    "An MTF-based blind restoration method for improving intelligibility of bone-conducted speech,"
    Proc. 2009 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP09), pp. 105-108, Waikiki, Hawaii, USA, March 2009.

  • Yutaka Yamasaki and Masashi Unoki,
    "A study on the noise suppression method based on the MTF concept,"
    Proc. 2009 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP09), pp. 157-160, Waikiki, Hawaii, USA, March 2009.

  • Kuniaki Imabeppu, Daiki Hamada, and Masashi Unoki,
    "A study on the embedding limitation for an audio watermarking method based on the cochlear delay characteristics,"
    Proc. 2009 RISP International workshop on Nonlinear Circuits and Signal Processing (NCSP09), pp. 625-628, Waikiki, Hawaii, USA, March 2009.

  • Rico Petrick, Xugang Lu, Masashi Unoki, Masato Akagi, and Ruediger Hoffmann,
    "Robust Front End Processing for Speech Recognition in Reverberant Environments: Utilization of Speech Characteristics,"
    Proc. Interspeech2008, pp. 658-661, Brisbane, Australia, Sept. 2008.

  • Rico Petrick, Masashi Unoki, Anish Mittal, Calros Segura, and Ruediger Hoffmann,
    "A Comprehensive Study on the Effects of Room Reverberation on Fundamental Frequency Estimation,"
    Proc. Interspeech2008, pp. 131-134, Brisbane, Australia, Sept. 2008.

  • Masashi Unoki and Sota Hiramatsu,
    "MTF-based method of blind estimation of reverberation time in room acoustics,"
    Proc. EUSIPCO2008, Lausanne, Switzerland, August 2008.

  • Eriko Aiba, Satomi Tanaka, Minoru Tsuzaki, Masashi Unoki
    "Effects of temporal synchrony between two sounds on perceptual unification and its relation to the cochlear delays,"
    Proc. ICMPC10, 2AM2-R07, p. 131, CDROM, August 2008.

  • Publications 2007
  • Masashi Unoki, Toshihiro Hosorogiya, and Yuichi Ishimoto,
    "Comparative evaluations of robust and accurate F0 estimates in reverberant environments,"
    Proc. 2008 International Conference on Acoustics, Speech, and Signal Processing (ICASSP2008), pp. 4569-4572, March 2008.

  • Masashi Unoki and Toshihiro Hosorogiya,
    "Estimation of fundamental frequency of reverberant speech by utlizing complex cepstrum analysis,"
    J. Signal Processing, vol. 12, no. 1, pp. 31-44, Jan. 2008.

  • Eriko Aiba, Minoru Tsuzaki, Satomi Tanaka, and Masashi Unoki,
    "Judgment of perceptual synchrony between two pulses and verification of its relation to cochlear delay by an auditory model,"
    Journal of Japanese Psychological Research, Vol. 50, No. 4, pp. 204-213, 2008.

  • Thang tat Vu, Masashi Unoki, and Masato Akagi,
    "The Construnction of Large-scale Bone-conducted and Air-conducted Speech Database for Speech Intelligibility Tests,"
    Proc. Oriental COCOSDA2007, pp. 88-91, Hanoi, Vietnam, Dec. 2007.

  • Atsushi Haniu, Masashi Unoki, and Masato Akagi,
    "A study on a speech recognition method based on the selective sound segregation in noisy environment,"
    Proc. NOLTA2007, pp. 449-452, Sept. 2007.

  • Masashi Unoki and Toshihiro Hosorogiya,
    "A study on robust and accurate F0 estimation in reverberant environments by utilizing complex cepstrum analysis,"
    Proc. XII International Conference Speech and Computer (SPECOM2007), pp. 222-232, Moscow, Russia, Oct. 2007.

  • Xugang Lu, Masashi Unoki, and Masato Akagi,
    "Comparative enaluation of MTF-based feature extraction for speech recognition in reverberant environments,"
    Proc. XII International Conference Speech and Computer (SPECOM2007), pp. 124-133, Moscow, Russia, Oct. 2007.

  • Hideaki Uchiyama, Masashi Unoki, and Masato Akagi,
    "Improvement of detectability of alarm signal in noisy environments by spatial cues,"
    Proc. 2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA2007), Mohonk Mountain House, pp. 74-77, New Palts, New York, USA, Oct. 2007.

  • Takeshi Saitou, Masataka Goto, Masashi Unoki, and Masato Akagi,
    "Speech-to-Singing Synthesis: Vocal conversion from speaking voices to singing voices by controlling acoustic features unique to singing voices,"
    Proc. 2007 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA2007), pp. 215-218, Mohonk Mountain House, New Palts, New York, USA, Oct. 2007.

  • Thang tat Vu, Germine Seide, Masashi Unoki, and Masato Akagi,
    "Method of LP-based blind restoration for improving intelligibility of bone-conducted speech,"
    Proc. Interspeech2007 - Eurospeech2007, p. 966-969, Antwerp, Belgium, Aug. 2007.

  • Publications 2006
  • Masashi Unoki, Toshio Irino, Brian Glasberg, Brian C. J. Moore, and Roy D. Patterson,
    "Comparison of the roex and gammachirp filters as representations of the auditory filter,"
    J. Acoust. Soc. Am., 2006 120(3), 1474-1492, 2006.

  • Masashi Unoki, Masaaki Kubo, Atsushi Haniu, and Masato Akagi,
    "A model-concept of the selective sound segregation: A prototype model for selective segregation of target instrument sound from the mixed sound of various instrument,"
    Jornal of Signal Processing, 10(6), 419-431, Nov. 2006.

  • Masashi Unoki, Masato Toi, and Masato Akagi,
    "Refinement of an MTF-based speech dereverberation method using an optimal inverse-MTF filter,"
    Proc. SPECOM'2006, pp. 323-236, St. Petersburg, Russia, June 2006.

  • Xugang Lu, Masashi Unoki, and Masato Akagi,
    "A robust feature extraction based on the MTF concept for speech recognition in reverberant environment,"
    Proc. ICSLP2006, 2546--2549, Sept. 2006.

  • Masashi Unoki, Ryota Miyauchi, and Chin-Tuan Tan,
    "Estimates of tuning of auditory finter using simultaneous and forward notched-noise masking,"
    Proc. 14th International Symposium on Hearing (ISH2006), 18-24, Aug. 2006.

  • Masashi Unoki, Kazuhito Ito, Yuichi Ishimoto, and Chin-Tuan Tan,
    "Estimate of auditory filter shape using notched-noise masking for various signal frequencies,"
    Acoustical Science and Technology, vol. 27, no. 1, pp. 1-11, 2006.
  • Publications 2005 - 1997
  • Takeshi Saitou, Masashi Unoki, and Masato Akagi, "Development of an F0 Control model based on F0 dynamic characteristics for singing-voice synthesis," Speech Communication, vol. 46, no. 3, pp. 405-417, July 2005.

  • Masashi Unoki and Chin-Tuan Tan, "Estimates of auditory filter shape using simultaneous and forward notched-noise masking," Proc. Forum Acusticum 2005, pp. 1497-1502, Budapest, Hungary, 2005.

  • Masashi Unoki, Masato Toi, and Masato Akagi, "Development of the MTF-based speech dereverberation method using adaptive time-frequency division," Proc. Forum Acusticum 2005, pp. 51-56, Budapest, Hungary, 2005.

  • Masashi Unoki, Masaaki Kubo, Atsushi Haniu, and Masato Akagi, "A model for selective segregation of a target instrument sound from the mixed sound of various instruments," Proc. Interspeech2005, pp. 2097-2100, Lisboa 2005.

  • Masashi Unoki, Masakazu Furukawa, Keigo Sakata, and Masato Akagi,
    "An improved method based on the MTF concept for restoring the power envelope from a reverberant signal," Acoust. Sci. Tech., Vol. 25, No. 4, pp. 232-242, 2004.

  • Masashi Unoki, Keigo, Sakata, Masakazu Furukawa, and Masato Akagi,
    "A speech dereverberation method based on the MTF concept in power envelope restoration," Acoust. Sci. Tech., Vol. 25, No. 4, pp. 243-254, 2004.

  • Takeshi Saitou, Naoya Tsuji, Masashi Unoki, and Masato Akagi,
    "Analysis of Acoustic Features Affecting "Siging-ness" and its Application to Siging-Voice Synthesis from Speaking-Voice," Proc. ICSLP2004, vol. III, pp. 1929-1932, Jeju, Korea, Oct. 2004.

  • Masashi Unoki, Masato Toi, and Masato Akagi,
    "A speech dereverberation method based on the MTF concept using adaptive time-frequency divisions," Proc. EUSIPCO2004, 2004 (accepted).

  • Takeshi Saitou, Naoya Tsuji, Masashi Unoki, and Masato Akagi,
    "Analysis of Acoustic Features Affecting "Siging-ness" and its Application to Siging-Voice Synthesis from Speaking-Voice," Proc. ICSLP2004 (accepted).

  • Masashi Unoki, Masaaki Kubo, and Masato Akagi
    "A model for selective segregation of a target instrument sound from the mixed sound of various instruments" Proc. ICMC2003, pp. 295-298, Singapore, October 2003.

  • Roy D. Patterson, Masashi Unoki, Toshio Irino
    "Comparison of the compressive-gammachirp and double-roex auditory filters," Proc. ISH2003, France, August 2003.

  • Masashi Unoki, Keigo Sakata, and Masato Akagi
    "A speech dereverberation method based on the MTF concept," Proc. EuroSpeech2003, pp. 1417-1420, Geneva, Switzerland, Sept. 2003.

  • Masashi Unoki, Masakazu Furukawa, Keigo Sakata, and Masato Akagi
    "A Method based on the MTF concept for dereverberating the power envelope from the reverberant signal," Proc. ICASSP2003, vol. I, pp. 840-843, April 2003.

  • Masashi Unoki, Masakazu Furukawa, and Masato Akagi
    "A method for recovering the power envelope from the reverberant speech based on MTF,"
    Proc. of Forum Acusticum Sevilla 2002, SPA-Gen-002, p. S129, Sevilla, Spain, Sept. 2002.

  • Takeshi Saitou, Masashi Unoki, and Masato Akagi
    "Extraction of F0 dynamic characteristics and development of F0 control model in singing voice," Proc. of ICAD2002, pp. 275-278, Kyoto, Japan, July 2002.

  • Yuichi Ishimoto, Masashi Unoki, and Masato Akagi,
    "A Fundamental Frequency Estimation Method for Noisy Speech Based on Instantaneous Amplitude and Frequency,"
    Proc. of EuroSpeech2001, Aalborg, Denmark, 3-7 Sept. 2001

  • Masashi Unoki, Toshio Irino, and Roy D. Patterson,
    "Improvement of an IIR asymmetric compensation gammachirp filter,"
    Acoust. Sci. Tech., vol. 22, no. 6, pp. 426-430, 2001.

  • Yuichi Ishimoto, Masashi Unoki, and Masato Akagi,
    "A fundamental frequency estimation method for noisy speech based on periodicity and harmonicity," Proc. of ICASSP2001, SPEECH-SF3.1, USA, May 2001.

  • L.P. O'Mard, R. Meddis, M. Unoki, and R. D. Patterson,
    "DSAM application for evoluating nonlinear filterbank used to simulate basilar membrane motion," Abstract of the 24th Annual Midwinter Research Meeting, Association for Research in Otolaryngology, p. 257, TradeWinds Islands Resort St. Petersburg Beach, Florida, USA Feb. 2001.

  • M. Akagi, M. Mizumachi, Y. Ishimoto, and M. Unoki
    "Speech Enhancement and Segregation based on Human Auditory Mechanisms," 2000 International Conference on Infomation Society in the 21st Century (IS2000), pp. 246-253, Aizu-Wakamatsu, Japan, Nov. 5-8, 2000.

  • Toshio Irino, Masashi Unoki, and Roy D. Patterson
    "A physiologically motivated gammachirp auditory filterbank," British Society of Audiology Short Paper Meeting on Experimental Studies of Hearing and Deafness, pp. 35-36, Keele University, Staffordshire, U.K. Sept. 2000.

  • Toshio IRINO and Masashi UNOKI
    "An analysis/synthesis auditory filterbank based on an IIR implementation of the gammachirp," J. Acoust. Soc. Jpn. (E), 20, 6, 1999.

  • Masashi UNOKI and Masato AKAGI
    "Vowel segregation in background noise using the model of segregating two acoustic sources," In Proc. of AI Challenge, pp. 7-14, AOYAMA gakuin Univ. 3 Nov. 1999.

  • Masashi UNOKI and Masato AKAGI
    A Method of Extracting the Harmonic Tone from Noisy Signal Based on Auditory Scene Analysis IEICE Trans. A vol. J82-A no. 10, pp. 1497-1507, Oct. 1999 (japanese).
  • Masashi UNOKI and Masato AKAGI
    "Segregation of vowel in background noise using the model of segregating two acoustic sources based on auditory scene analysis," In Proc. of EuroSpeech'99, vol. 6, pp. 2575-2578, Budapest, Hungary, Sept. 1999.
  • Masashi UNOKI and Masato AKAGI
    "Segregation of vowel in background noise using the model of segregating two acoustic sources based on auditory scene analysis," In Proc of CASA'99, pp. 51-60, Stockholm, SWEDEN, August 1999.
  • Masashi UNOKI and Masato AKAGI
    "A Method of Signal Extraction from Noisy Signal based on Auditory Scene Analysis," Speech Communication, vol. 27, no. 3, pp. 261-279, April 1999.
  • Masashi UNOKI
    "A research of the computational theory of audition concerned with sound segregation" Ph.D thesis (JAIST)
  • Masashi UNOKI and Masato AKAGI
    "Signal Extraction from Noisy Signal based on Auditory Scene Analysis," In Proc. ICSLP'98, vol. 4, pp. 1515-1518, Dec. 1998.
  • Masashi UNOKI and Masato AKAGI
    "A Computational Model of Co-modulation Masking Release," In Proc. of NATO ASI on Computational Hearing, pp. 129-134, 1998.
  • Shengbei Wang, Weitao Yuan, Jianming Wang, and Masashi Unoki,
    "Inaudible speech watermarking based on self-compensated echo-hiding and sparse subspace clustering,"
    Proc. ICASSP2019, May 2019 (accepted).

  • Toshio Irino and Masashi UNOKI
    "A Time-Varying, Analysis/Synthesis auditory filterbank based on An IIR Gammachirp filter," In Proc. of NATO ASI on Computational Hearing, pp. 205-210, 1998.
  • Toshio IRINO and Masashi UNOKI
    "A TIME-VARYING, ANALYSIS/SYNTHESIS AUDITORY FILTERBANK USING THE GAMMACHIRP," In Proc. ICASSP'98, vol. VI, pp. 3653--3656, Seattle, Washington, USA, May 1998.
  • Masashi UNOKI and Masato AKAGI
    "A Method of Signal Extraction from Noisy Signal," In Proc. of EuroSpeech'97, vol. 5, pp.2587-2590, Sept. 1997
  • Masashi UNOKI and Masato AKAGI "A Method of Signal Extraction from Noisy Signal based on Auditory Scene Analysis," In Working Notes of the IJCAI-97 Workshop on CASA, pp. 93-102, August 1997.
  • Masashi UNOKI and Masato AKAGI "A Method of Signal Extraction from Noise-added signal," Electronics and Communications in Japan(IEICE Trans. A), Part 3, Vol. 80, No.11, 1997
  • Masashi UNOKI
    "A fundamental study on modeling of auditory segregation based on auditory scene analysis"
    Master's thesis (JAIST)
  • Created by M. Unoki, 13 Nov. 2000
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