Automatic n-gram language model creation from web resources. - Ryuichi Nisimura; Kumiko Komatsu; Yuka Kuroda; Kentaro Nagatomo; Akinobu Lee; Hiroshi Saruwatari; Kiyohiro Shikano (INTERSPEECH, 2001)

ASKA: receptionist robot with speech dialogue system. - Ryuichi Nisimura; Takashi Uchida; Akinobu Lee; Hiroshi Saruwatari; Kiyohiro Shikano; Yoshio Matsumoto (IROS, 2002)

Public speech-oriented guidance system with adult and child discrimination capability. - Ryuichi Nisimura; Akinobu Lee; Hiroshi Saruwatari; Kiyohiro Shikano (ICASSP (1), 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 (INTERSPEECH, 2004)

Operating a public spoken guidance system in real environment. - Ryuichi Nisimura; Akinobu Lee; Masashi Yamada; Kiyohiro Shikano (INTERSPEECH, 2005)

Analyzing dialogue data for real-world emotional speech classification. - Ryuichi Nisimura; Souji Omae; Hideki Kawahara; Toshio Irino (INTERSPEECH, 2006)

Humanoid with Interaction Ability Using Vision and Speech Information. - Junichi Ido; Yoshio Matsumoto; Tsukasa Ogasawara; Ryuichi Nisimura (IROS, 2006)

Insights Gained from Development and Long-Term Operation of a Real-Environment Speech-Oriented Guidance System. - Tobias Cincarek; Ryuichi Nisimura; Akinobu Lee; Kiyohiro Shikano (ICASSP (4), 2007)

Tandem-STRAIGHT: A temporally stable power spectral representation for periodic signals and applications to interference-free spectrum, F0, and aperiodicity estimation. - Hideki Kawahara; Masanori Morise; Toru Takahashi 004; Ryuichi Nisimura; Toshio Irino; Hideki Banno (ICASSP, 2008)

Spectral envelope recovery beyond the nyquist limit for high-quality manipulation of speech sounds. - Hideki Kawahara; Masanori Morise; Hideki Banno; Toru Takahashi 004; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2008)

Speech-to-text input method for web system using JavaScript. - Ryuichi Nisimura; Jumpei Miyake; Hideki Kawahara; Toshio Irino (SLT, 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)

Development of Speech Input Method for Interactive VoiceWeb Systems. - Ryuichi Nisimura; Jumpei Miyake; Hideki Kawahara; Toshio Irino (HCI (2), 2009)

Temporally variable multi-aspect auditory morphing enabling extrapolation without objective and perceptual breakdown. - Hideki Kawahara; Ryuichi Nisimura; Toshio Irino; Masanori Morise; Toru Takahashi 004; Hideki Banno (ICASSP, 2009)

Observation of empirical cumulative distribution of vowel spectral distances and its application to vowel based voice conversion. - Hideki Kawahara; Masanori Morise; Toru Takahashi 004; Hideki Banno; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2009)

A bottom-up procedure to extract periodicity structure of voiced sounds and its application to represent and restoration of pathological voices. - Hanae Itagaki; Masanori Morise; Ryuichi Nisimura; Toshio Irino; Hideki Kawahara (MAVEBA, 2009)

A Web-based Multilingual Utterance Collection System for the Medical Field. - Takashi Yoshino 001; Taku Fukushima; Ryuichi Nisimura (WEBIST, 2009)

High-quality and light-weight voice transformation enabling extrapolation without perceptual and objective breakdown. - Hideki Kawahara; Ryuichi Nisimura; Toshio Irino; Masanori Morise; Toru Takahashi 004; Hideki Banno (ICASSP, 2010)

Simplification and extension of non-periodic excitation source representations for high-quality speech manipulation systems. - Hideki Kawahara; Masanori Morise; Toru Takahashi 004; Hideki Banno; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2010)

Development of Web-Based Voice Interface to Identify Child Users Based on Automatic Speech Recognition System. - Ryuichi Nisimura; Shoko Miyamori; Lisa Kurihara; Hideki Kawahara; Toshio Irino (HCI (4), 2011)

Auditory Filterbank Improves Voice Morphing. - Erika Okamoto; Toshio Irino; Ryuichi Nisimura; Hideki Kawahara (INTERSPEECH, 2011)

An interference-free representation of group delay for periodic signals. - Hideki Kawahara; Masanori Morise; Ryuichi Nisimura; Toshio Irino (APSIPA, 2012)

Modulation transfer function design for a flexible cross synthesis VOCODER based on F0 adaptive spectral envelope recovery. - Taiki Nishi; Ryuichi Nisimura; Toshio Irino; Hideki Kawahara (APSIPA, 2012)

Detecting child speaker based on auditory feature vectors for VTL estimation. - Ryuichi Nisimura; Shoko Miyamori; Erika Okamoto; Hideki Kawahara; Toshio Irino (APSIPA, 2012)

Open answer scoring for S-CAT automated speaking test system using support vector regression. - Yutaka Ono; Misuzu Otake; Takahiro Shinozaki; Ryuichi Nisimura; Takeshi Yamada; Kenkichi Ishizuka; Yasuo Horiuchi; Shingo Kuroiwa; Shingo Imai (APSIPA, 2012)

Deviation measure of waveform symmetry and its application to high-speed and temporally-fine F0 extraction for vocal sound texture manipulation. - Hideki Kawahara; Masanori Morise; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2012)

Vocal tract length estimation for voiced and whispered speech using gammachirp filterbank. - Toshio Irino; Erika Okamoto; Ryuichi Nisimura; Hideki Kawahara (APSIPA, 2013)

Higher order waveform symmetry measure and its application to periodicity detectors for speech and singing with fine temporal resolution. - Hideki Kawahara; Masanori Morise; Ryuichi Nisimura; Toshio Irino (ICASSP, 2013)

Beyond bandlimited sampling of speech spectral envelope imposed by the harmonic structure of voiced sounds. - Hideki Kawahara; Masanori Morise; Tomoki Toda; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2013)

Controlling "shout" expression in a Japanese POP singing performance: analysis and suppression study. - Yuri Nishigaki; Ken-Ichi Sakakibara; Masanori Morise; Ryuichi Nisimura; Toshio Irino; Hideki Kawahara (INTERSPEECH, 2013)

Excitation source design for high-quality speech manipulation systems based on a temporally static group delay representation of periodic signals. - Hideki Kawahara; Masanori Morise; Tomoki Toda; Hideki Banno; Ryuichi Nisimura; Toshio Irino (APSIPA, 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 (APSIPA, 2014)

Hearing impairment simulator based on compressive gammachirp filter. - Misaki Nagae; Toshio Irino; Ryuichi Nisimura; Hideki Kawahara; Roy D. Patterson (APSIPA, 2014)

Development of a Mobile Application for Crowdsourcing the Data Collection of Environmental Sounds. - Minori Matsuyama; Ryuichi Nisimura; Hideki Kawahara; Junnosuke Yamada; Toshio Irino (HCI (12), 2014)

Proposal for an Interactive 3D Sound Playback Interface Controlled by User behavior. - Ryuichi Nisimura; Kazuki Hashimoto; Hideki Kawahara; Toshio Irino (HCI (26), 2014)

Vocal tract length estimation based on vowels using a database consisting of 385 speakers and a database with MRI-based vocal tract shape information. - Hideki Kawahara; Tatsuya Kitamura; Hironori Takemoto; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2014)

Excitation source analysis for high-quality speech manipulation systems based on an interference-free representation of group delay with minimum phase response compensation. - Hideki Kawahara; Masanori Morise; Tomoki Toda; Hideki Banno; Ryuichi Nisimura; Toshio Irino (INTERSPEECH, 2014)

How the slope of the speech spectrum affects the perception of speaker size. - Kodai Yamamoto; Toshio Irino; Ryuichi Nisimura; Hideki Kawahara; Roy D. Patterson (INTERSPEECH, 2015)