Akinobu Lee

According to our database, Akinobu Lee authored at least 62 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Refining Synthesized Speech Using Speaker Information and Phone Masking for Data Augmentation of Speech Recognition.

Sei Ueno, Akinobu Lee, Tatsuya Kawahara

IEEE ACM Trans. Audio Speech Lang. Process., 2024

2023

Accent-Preserving Voice Conversion between Native-Nonnative Speakers for Second Language Learning.

Iago Lourenço Correa, Sei Ueno, Akinobu Lee

Proceedings of the Asia Pacific Signal and Information Processing Association Annual Summit and Conference, 2023

2020

Context and knowledge aware conversational model and system combination for grounded response generation.

Ryota Tanaka, Akihide Ozeki, Shugo Kato, Akinobu Lee

Comput. Speech Lang., 2020

Fact-based Dialogue Generation with Convergent and Divergent Decoding.

Ryota Tanaka, Akinobu Lee

CoRR, 2020

2019

An Ensemble Dialogue System for Facts-Based Sentence Generation.

Ryota Tanaka, Akihide Ozeki, Shugo Kato, Akinobu Lee

CoRR, 2019

2017

User Generated Dialogue Systems: uDialogue.

Keiichi Tokuda, Akinobu Lee, Yoshihiko Nankaku, Keiichiro Oura, Kei Hashimoto, Daisuke Yamamoto, Ichi Takumi, Takahiro Uchiya, Shuhei Tsutsumi, Steve Renals, Junichi Yamagishi

Proceedings of the Human-Harmonized Information Technology, Volume 2, 2017

2015

Prosodically-enhanced recurrent neural network language models.

Siva Reddy Gangireddy, Steve Renals, Yoshihiko Nankaku, Akinobu Lee

Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

2014

Voice interaction system with 3D-CG virtual agent for stand-alone smartphones.

Daisuke Yamamoto, Keiichiro Oura, Ryota Nishimura, Takahiro Uchiya, Akinobu Lee, Ichi Takumi, Keiichi Tokuda

Proceedings of the second international conference on Human-agent interaction, 2014

2013

Mmdagent - A fully open-source toolkit for voice interaction systems.

Akinobu Lee, Keiichiro Oura, Keiichi Tokuda

Proceedings of the IEEE International Conference on Acoustics, 2013

2011

Bayesian Context Clustering Using Cross Validation for Speech Recognition.

Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

IEICE Trans. Inf. Syst., 2011

Evaluation of Tree-Trellis Based Decoding in Over-Million LVCSR.

Naoaki Ito, Yoshihiko Nankaku, Akinobu Lee

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

2010

A Covariance-Tying Technique for HMM-Based Speech Synthesis.

Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

IEICE Trans. Inf. Syst., 2010

Voice activity detection based on conditional random fields using multiple features.

Akira Saito, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

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

Speaker adaptation based on nonlinear spectral transform for speech recognition.

Toyohiro Hayashi, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

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

2009

Tying covariance matrices to reduce the footprint of HMM-based speech synthesis systems.

Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 10th Annual Conference of the International Speech Communication Association, 2009

Voice conversion based on simultaneous modelling of spectrum and F0.

Kaori Yutani, Yosuke Uto, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the IEEE International Conference on Acoustics, 2009

2008

A Fully Consistent Hidden Semi-Markov Model-Based Speech Recognition System.

Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

IEICE Trans. Inf. Syst., 2008

Development, Long-Term Operation and Portability of a Real-Environment Speech-Oriented Guidance System.

Tobias Cincarek, Hiromichi Kawanami, Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

IEICE Trans. Inf. Syst., 2008

Probabilistic answer selection based on conditional random fields for spoken dialog system.

Yoshitaka Yoshimi, Ryota Kakitsuba, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Acoustic modeling based on model structure annealing for speech recognition.

Sayaka Shiota, Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Speaker recognition based on variational Bayesian method.

Tatsuya Ito, Kei Hashimoto, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

Bayesian context clustering using cross valid prior distribution for HMM-based speech recognition.

Kei Hashimoto, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 9th Annual Conference of the International Speech Communication Association, 2008

2007

Voice activity detection applied to hands-free spoken dialogue robot based on decoding using acoustic and language model.

Hiroyuki Sakai, Tobias Cincarek, Hiromichi Kawanami, Hiroshi Saruwatari, Kiyohiro Shikano, Akinobu Lee

Proceedings of the 1st International Conference on Robot Communication and Coordination, 2007

Real-Time Continuous Speech Recognition System on SH-4A Microprocessor.

Hiroaki Kokubo, Nobuo Hataoka, Akinobu Lee, Tatsuya Kawahara, Kiyohiro Shikano

Proceedings of the IEEE 9th Workshop on Multimedia Signal Processing, 2007

Insights Gained from Development and Long-Term Operation of a Real-Environment Speech-Oriented Guidance System.

Tobias Cincarek, Ryuichi Nisimura, Akinobu Lee, Kiyohiro Shikano

Proceedings of the IEEE International Conference on Acoustics, 2007

2006

Blind source separation based on a fast-convergence algorithm combining ICA and beamforming.

Hiroshi Saruwatari, Toshiya Kawamura, Tsuyoki Nishikawa, Akinobu Lee, Kiyohiro Shikano

IEEE Trans. Speech Audio Process., 2006

Improving Rapid Unsupervised Speaker Adaptation Based on HMM-Sufficient Statistics in Noisy Environments Using Multi-Template Models.

Randy Gomez, Akinobu Lee, Tomoki Toda, Hiroshi Saruwatari, Kiyohiro Shikano

IEICE Trans. Inf. Syst., 2006

Embedded Julius: Continuous Speech Recognition Software for Microprocessor.

Hiroaki Kokubo, Hiroaki Hataoka, Akinobu Lee, Tatsuya Kawahara, Kiyohiro Shikano

Proceedings of the IEEE 8th Workshop on Multimedia Signal Processing, 2006

Voice conversion based on mixtures of factor analyzers.

Yosuke Uto, Yoshihiko Nankaku, Tomoki Toda, Akinobu Lee, Keiichi Tokuda

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

An HMM-based singing voice synthesis system.

Keijiro Saino, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

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

Reducing computation on parallel decoding using frame-wise confidence scores.

Tomohiro Hakamata, Akinobu Lee, Yoshihiko Nankaku, Keiichi Tokuda

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

Hidden Semi-Markov Model Based Speech Recognition System using Weighted Finite-State Transducer.

Keiichiro Oura, Heiga Zen, Yoshihiko Nankaku, Akinobu Lee, Keiichi Tokuda

Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

2005

Noise-robust hands-free speech recognition based on spatial subtraction array and known noise superimposition.

Yasuaki Ohashi, Tsuyoki Nishikawa, Hiroshi Saruwatari, Akinobu Lee, Kiyohiro Shikano

Proceedings of the 2005 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2005

Speech extraction in a car interior using frequency-domain ICA with rapid filter adaptations.

Daisuke Saitoh, Atsunobu Kaminuma, Hiroshi Saruwatari, Tsuyoki Nishikawa, Akinobu Lee

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

Operating a public spoken guidance system in real environment.

Ryuichi Nisimura, Akinobu Lee, Masashi Yamada, Kiyohiro Shikano

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

Rapid unsupervised speaker adaptation based on multi-template HMM sufficient statistics in noisy environments.

Randy Gomez, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

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

Speech Enhancement Based on Blind Source Separation in Car Environments.

Hiroshi Saruwatari, Katsuyuki Sawai, Tsuyoki Nishikawa, Akinobu Lee, Kiyohiro Shikano, Atsunobu Kaminuma, Masao Sakata, Daisuke Saitoh

Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

2004

Galatea: Open-Source Software for Developing Anthropomorphic Spoken Dialog Agents.

Shinichi Kawamoto, Hiroshi Shimodaira, Tsuneo Nitta, Takuya Nishimoto, Satoshi Nakamura, Katsunobu Itou, Shigeo Morishima, Tatsuo Yotsukura, Atsuhiko Kai, Akinobu Lee, Yoichi Yamashita, Takao Kobayashi, Keiichi Tokuda, Keikichi Hirose, Nobuaki Minematsu, Atsushi Yamada, Yasuharu Den, Takehito Utsuro, Shigeki Sagayama

Proceedings of the Life-like characters - tools, affective functions, and applications., 2004

Noise robust real world spoken dialogue system using GMM based rejection of unintended inputs.

Akinobu Lee, Keisuke Nakamura, Ryuichi Nisimura, Hiroshi Saruwatari, Kiyohiro Shikano

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

Recent progress of open-source LVCSR engine julius and Japanese model repository.

Tatsuya Kawahara, Akinobu Lee, Kazuya Takeda, Katsunobu Itou, Kiyohiro Shikano

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

Non-audible murmur (NAM) speech recognition using a stethoscopic NAM microphone.

Panikos Heracleous, Yoshitaka Nakajima, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

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

Robust speech recognition with spectral subtraction in low SNR.

Randy Gomez, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

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

Public speech-oriented guidance system with adult and child discrimination capability.

Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Real-time word confidence scoring using local posterior probabilities on tree trellis search.

Akinobu Lee, Kiyohiro Shikano, Tatsuya Kawahara

Proceedings of the 2004 IEEE International Conference on Acoustics, 2004

Audible (normal) speech and inaudible murmur recognition using NAM microphone.

Panikos Heracleous, Yoshitaka Nakajima, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 2004 12th European Signal Processing Conference, 2004

2003

Unsupervised speaker adaptation based on HMM sufficient statistics in various noisy environments.

Shingo Yamade, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

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

2002

Continuous Speech Recognition Consortium an Open Repository for CSR Tools and Models.

Akinobu Lee, Tatsuya Kawahara, Kazuya Takeda, Masato Mimura, Atsushi Yamada, Akinori Ito, Katsunobu Itou, Kiyohiro Shikano

Proceedings of the Third International Conference on Language Resources and Evaluation, 2002

ASKA: receptionist robot with speech dialogue system.

Ryuichi Nisimura, Takashi Uchida, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano, Yoshio Matsumoto

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, Lausanne, Switzerland, September 30, 2002

Spectral subtraction in noisy environments applied to speaker adaptation based on HMM sufficient statistics.

Shingo Yamade, Kanako Matsunami, Akira Baba, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Speech enhancement in car environment using blind source separation.

Hiroshi Saruwatari, Katsuyuki Sawai, Akinobu Lee, Kiyohiro Shikano, Atsunobu Kaminuma, Masao Sakata

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

Selective multi-path acoustic model based on database likelihoods.

Akinobu Lee, Yuichiro Mera, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the 7th International Conference on Spoken Language Processing, ICSLP2002, 2002

2001

Evaluation on unsupervised speaker adaptation based on sufficient HMM statictics of selected speakers.

Shinichi Yoshizawa, Akira Baba, Kanako Matsunami, Yuichiro Mera, Miichi Yamada, Akinobu Lee, Kiyohiro Shikano

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Unsupervised noisy environment adaptation algorithm using MLLR and speaker selection.

Miichi Yamada, Akira Baba, Shinichi Yoshizawa, Yuichiro Mera, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Automatic n-gram language model creation from web resources.

Ryuichi Nisimura, Kumiko Komatsu, Yuka Kuroda, Kentaro Nagatomo, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Julius - an open source real-time large vocabulary recognition engine.

Akinobu Lee, Tatsuya Kawahara, Kiyohiro Shikano

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Elderly acoustic model for large vocabulary continuous speech recognition.

Akira Baba, Shinichi Yoshizawa, Miichi Yamada, Akinobu Lee, Kiyohiro Shikano

Proceedings of the EUROSPEECH 2001 Scandinavia, 2001

Gaussian mixture selection using context-independent HMM.

Akinobu Lee, Tatsuya Kawahara, Kiyohiro Shikano

Proceedings of the IEEE International Conference on Acoustics, 2001

2000

IPA Japanese Dictation Free Software Project.

Katsunobu Itou, Kiyohiro Shikano, Tatsuya Kawahara, Kazuya Takeda, Atsushi Yamada, Akinori Ito, Takehito Utsuro, Tetsunori Kobayashi, Nobuaki Minematsu, Mikio Yamamoto, Shigeki Sagayama, Akinobu Lee

Proceedings of the Second International Conference on Language Resources and Evaluation, 2000

Automatic diagnosis of recognition errors in large vocabulary continuous speech recognition systems.

Hiroaki Nanjo, Akinobu Lee, Tatsuya Kawahara

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

Free software toolkit for Japanese large vocabulary continuous speech recognition.

Tatsuya Kawahara, Akinobu Lee, Tetsunori Kobayashi, Kazuya Takeda, Nobuaki Minematsu, Shigeki Sagayama, Katsunobu Itou, Akinori Ito, Mikio Yamamoto, Atsushi Yamada, Takehito Utsuro, Kiyohiro Shikano

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

A new phonetic tied-mixture model for efficient decoding.

Akinobu Lee, Tatsuya Kawahara, Kazuya Takeda, Kiyohiro Shikano

Proceedings of the IEEE International Conference on Acoustics, 2000

1998

An efficient two-pass search algorithm using word trellis index.

Akinobu Lee, Tatsuya Kawahara, Shuji Doshita

Proceedings of the 5th International Conference on Spoken Language Processing, Incorporating The 7th Australian International Speech Science and Technology Conference, Sydney Convention Centre, Sydney, Australia, 30th November, 1998