Nobuhiko Kitawaki

According to our database, Nobuhiko Kitawaki authored at least 37 papers between 1982 and 2014.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2014

Automatic scoring method for open answer task in the SJ-CAT speaking test considering utterance difficulty level.

Hao Lu, Takeshi Yamada, Shingo Imai, Takahiro Shinozaki, Ryuichi Nisimura, Kenkichi Ishizuka, Shoji Makino, Nobuhiko Kitawaki

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2014

2010

Non-reference Objective Quality Evaluation for Noise-Reduced Speech Using Overall Quality Estimation Model.

Takeshi Yamada, Yuki Kasuya, Yuki Shinohara, Nobuhiko Kitawaki

IEICE Trans. Commun., 2010

Instrumental Estimation of E-Model Parameters for Wideband Speech Codecs.

Sebastian Möller, Nicolas Côté, Valérie Gautier-Turbin, Nobuhiko Kitawaki, Akira Takahashi

EURASIP J. Audio Speech Music. Process., 2010

Comparison of MOS evaluation characteristics for Chinese, Japanese, and English in IP telephony.

Zhenyu Cai, Nobuhiko Kitawaki, Takeshi Yamada, Shoji Makino

Proceedings of the 4th International Universal Communication Symposium, 2010

Cepstral smoothing of separated signals for underdetermined speech separation.

Yumi Ansa, Shoko Araki, Shoji Makino, Tomohiro Nakatani, Takeshi Yamada, Atsushi Nakamura, Nobuhiko Kitawaki

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2010), May 30, 2010

Performance estimation of noisy speech recognition considering recognition task complexity.

Takeshi Yamada, Tomohiro Nakajima, Nobuhiko Kitawaki, Shoji Makino

Proceedings of the 11th Annual Conference of the International Speech Communication Association, 2010

MPEG-2/H.264 Transcoding with Vector Conversion Reducing Re-Quantization Noise.

Takeshi Yoshitome, Kazuto Kamikura, Shoji Makino, Nobuhiko Kitawaki

Proceedings of the 19th International Conference on Computer Communications and Networks, 2010

2008

Objective Estimation of Word Intelligibility for Noise-Reduced Speech.

Takeshi Yamada, Masakazu Kumakura, Nobuhiko Kitawaki

IEICE Trans. Commun., 2008

2006

Performance Estimation of Speech Recognition System Under Noise Conditions Using Objective Quality Measures and Artificial Voice.

Takeshi Yamada, Masakazu Kumakura, Nobuhiko Kitawaki

IEEE Trans. Speech Audio Process., 2006

Impairment Factor Framework for Wide-Band Speech Codecs.

Sebastian Möller, Alexander Raake, Nobuhiko Kitawaki, Akira Takahashi, Marcel Wältermann

IEEE Trans. Speech Audio Process., 2006

Detection of Overlapping Speech in Meetings Using Support Vector Machines and Support Vector Regression.

Kiyoshi Yamamoto, Futoshi Asano, Takeshi Yamada, Nobuhiko Kitawaki

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

Multimedia Quality Prediction Methodologies for Advanced Mobile and IP-Based Telephony.

Nobuhiko Kitawaki

IEICE Trans. Commun., 2006

Word intelligibility estimation of noise-reduced speech.

Takeshi Yamada, Masakazu Kumakura, Nobuhiko Kitawaki

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

2005

Objective Quality Assessment of Wideband Speech Coding.

Nobuhiko Kitawaki, Kou Nagai, Takeshi Yamada

IEICE Trans. Commun., 2005

State estimation of meetings by information fusion using Bayesian network.

Michiaki Katoh, Kiyoshi Yamamoto, Jun Ogata, Takashi Yoshimura, Futoshi Asano, Hideki Asoh, Nobuhiko Kitawaki

Proceedings of the 9th European Conference on Speech Communication and Technology, 2005

2004

Perceptual QoS assessment technologies for VoIP.

Akira Takahashi, Hideaki Yoshino, Nobuhiko Kitawaki

IEEE Commun. Mag., 2004

Integration of n-best recognition results obtained by multiple noise reduction algorithms.

Takeshi Yamada, Jiro Okada, Nobuhiko Kitawaki

Proceedings of the 8th International Conference on Spoken Language Processing, 2004

2003

Combined approach of array processing and independent component analysis for blind separation of acoustic signals.

Futoshi Asano, Shiro Ikeda, Michiaki Ogawa, Hideki Asoh, Nobuhiko Kitawaki

IEEE Trans. Speech Audio Process., 2003

Detection and separation of speech segment using audio and video information fusion.

Futoshi Asano, Yoichi Motomura, Hideki Asoh, Takashi Yoshimura, Naoyuki Ichimura, Kiyoshi Yamamoto, Nobuhiko Kitawaki, Satoshi Nakamura

Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003

Estimation of the number of sound sources using support vector machines and its application to sound source separation.

Kiyoshi Yamamoto, Futoshi Asano, Willem F. G. van Rooijen, Eric Y. L. Ling, Takeshi Yamada, Nobuhiko Kitawaki

Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2000

Characteristics of spoken language required for objective quality evaluation of echo cancellers.

Nobuhiko Kitawaki, Futoshi Asano, Takeshi Yamada

Proceedings of the Sixth International Conference on Spoken Language Processing, 2000

1999

Common-acoustical-pole and zero modeling of head-related transfer functions.

Yoichi Haneda, Shoji Makino, Yutaka Kaneda, Nobuhiko Kitawaki

IEEE Trans. Speech Audio Process., 1999

Common-acoustical-pole and residue model and its application to spatial interpolation and extrapolation of a room transfer function.

Yoichi Haneda, Yutaka Kaneda, Nobuhiko Kitawaki

IEEE Trans. Speech Audio Process., 1999

1997

Performance evaluation of objective quality measures for coded speech.

Akira Takahashi, Nobuhiko Kitawaki, Paolino Usai, David Atkinson

Proceedings of the Fifth European Conference on Speech Communication and Technology, 1997

1994

A new artificial speech signal for objective quality evaluation of speech coding systems.

Kenzo Itoh, Nobuhiko Kitawaki, Hiroshi Irii, Hiromi Nagabuchi

IEEE Trans. Commun., 1994

1993

Subjective performance assessment of CCITT's 16 kbit/s speech coding algorithm.

C. R. South, J. Rugelbak, Paolino Usai, Nobuhiko Kitawaki, Hiroshi Irii, John R. Rosenberger, J. R. Cavanaugh, C. A. Adesanya, D. Pascal, Norman Gleiss, G. J. Barnes

Speech Commun., 1993

1992

A model for evaluating talker echo and sidetone in a telephone transmission network.

Naotoshi Osaka, Kazuhiko Kakehi, Satori Iai, Nobuhiko Kitawaki

IEEE Trans. Commun., 1992

Proposal of selection method test pictures in HDTV subjective quality assessments.

Takeshi Tachi, Satoru Iai, Nobuhiko Kitawaki

Comput. Commun. Rev., 1992

1991

Pure Delay Effects on Speech Quality in Telecommunications.

Nobuhiko Kitawaki, Kenzo Itoh

IEEE J. Sel. Areas Commun., 1991

Evaluation and improvement of coded speech quality degraded by cell loss in ATM networks.

Hiromi Nagabuchi, Nobuhiko Kitawaki

Proceedings of the Second European Conference on Speech Communication and Technology, 1991

1990

Speech coding technology for ATM networks.

Nobuhiko Kitawaki, Hiromi Nagabuchi, Masahiro Taka, Kenzo Takahashi

IEEE Commun. Mag., 1990

Multilingual speech data base for evaluating quality of digitized speech.

Hiroshi Irii, Kenzo Itoh, Nobuhiko Kitawaki

Proceedings of the First International Conference on Spoken Language Processing, 1990

1988

Objective quality evaluation for low-bit-rate speech coding systems.

Nobuhiko Kitawaki, Hiromi Nagabuchi, Kenzo Itoh

IEEE J. Sel. Areas Commun., 1988

Quality assessment of speech coding and speech synthesis systems.

Nobuhiko Kitawaki, Hiromi Nagabuchi

IEEE Commun. Mag., 1988

1984

Speech-quality assessment methods for speech-coding systems.

Nobuhiko Kitawaki, Masaaki Honda, Kenzo Itoh

IEEE Commun. Mag., 1984

1982

Comparison of objective speech quality measures for voiceband CODECs.

Nobuhiko Kitawaki, Kenzo Itoh, Masaaki Honda, Kazuhiko Kakehi

Proceedings of the IEEE International Conference on Acoustics, 1982

Adaptive bit allocation scheme in predictive coding of speech.

Masaaki Honda, Nobuhiko Kitawaki, Fumitada Itakura

Proceedings of the IEEE International Conference on Acoustics, 1982