Ryuichi Nisimura

Publication Activity (10 Years)

Years Active: 2001-2015
Publications (10 Years): 0

Top Topics

Kullback Leibler Distance

User Behavior Patterns

Top Venues

Publications

Kodai Yamamoto, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara, Roy D. Patterson
How the slope of the speech spectrum affects the perception of speaker size. INTERSPEECH (2015)
Misaki Nagae, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara, Roy D. Patterson
Hearing impairment simulator based on compressive gammachirp filter. APSIPA (2014)
Hideki Kawahara, Masanori Morise, Tomoki Toda, Hideki Banno, Ryuichi Nisimura, Toshio Irino
Excitation source design for high-quality speech manipulation systems based on a temporally static group delay representation of periodic signals. APSIPA (2014)
Hideki Kawahara, Tatsuya Kitamura, Hironori Takemoto, Ryuichi Nisimura, Toshio Irino
Vocal tract length estimation based on vowels using a database consisting of 385 speakers and a database with MRI-based vocal tract shape information. INTERSPEECH (2014)
Hideki Kawahara, Masanori Morise, Tomoki Toda, Hideki Banno, Ryuichi Nisimura, Toshio Irino
Excitation source analysis for high-quality speech manipulation systems based on an interference-free representation of group delay with minimum phase response compensation. INTERSPEECH (2014)
Hao Lu, Takeshi Yamada, Shingo Imai, Takahiro Shinozaki, Ryuichi Nisimura, Kenkichi Ishizuka, Shoji Makino, Nobuhiko Kitawaki
Automatic scoring method for open answer task in the SJ-CAT speaking test considering utterance difficulty level. APSIPA (2014)
Ryuichi Nisimura, Kazuki Hashimoto, Hideki Kawahara, Toshio Irino
Proposal for an Interactive 3D Sound Playback Interface Controlled by User behavior. HCI (26) (2014)
Minori Matsuyama, Ryuichi Nisimura, Hideki Kawahara, Junnosuke Yamada, Toshio Irino
Development of a Mobile Application for Crowdsourcing the Data Collection of Environmental Sounds. HCI (12) (2014)
Toshio Irino, Erika Okamoto, Ryuichi Nisimura, Hideki Kawahara
Vocal tract length estimation for voiced and whispered speech using gammachirp filterbank. APSIPA (2013)
Hideki Kawahara, Masanori Morise, Tomoki Toda, Ryuichi Nisimura, Toshio Irino
Beyond bandlimited sampling of speech spectral envelope imposed by the harmonic structure of voiced sounds. INTERSPEECH (2013)
Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, Toshio Irino
Higher order waveform symmetry measure and its application to periodicity detectors for speech and singing with fine temporal resolution. ICASSP (2013)
Yuri Nishigaki, Ken-Ichi Sakakibara, Masanori Morise, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara
Controlling "shout" expression in a Japanese POP singing performance: analysis and suppression study. INTERSPEECH (2013)
Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, Toshio Irino
Deviation measure of waveform symmetry and its application to high-speed and temporally-fine F0 extraction for vocal sound texture manipulation. INTERSPEECH (2012)
Yutaka Ono, Misuzu Otake, Takahiro Shinozaki, Ryuichi Nisimura, Takeshi Yamada, Kenkichi Ishizuka, Yasuo Horiuchi, Shingo Kuroiwa, Shingo Imai
Open answer scoring for S-CAT automated speaking test system using support vector regression. APSIPA (2012)
Ryuichi Nisimura, Shoko Miyamori, Erika Okamoto, Hideki Kawahara, Toshio Irino
Detecting child speaker based on auditory feature vectors for VTL estimation. APSIPA (2012)
Taiki Nishi, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara
Modulation transfer function design for a flexible cross synthesis VOCODER based on F0 adaptive spectral envelope recovery. APSIPA (2012)
Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, Toshio Irino
An interference-free representation of group delay for periodic signals. APSIPA (2012)
Ryuichi Nisimura, Shoko Miyamori, Lisa Kurihara, Hideki Kawahara, Toshio Irino
Development of Web-Based Voice Interface to Identify Child Users Based on Automatic Speech Recognition System. HCI (4) (2011)
Erika Okamoto, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara
Auditory Filterbank Improves Voice Morphing. INTERSPEECH (2011)
Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, Masanori Morise, Toru Takahashi, Hideki Banno
High-quality and light-weight voice transformation enabling extrapolation without perceptual and objective breakdown. ICASSP (2010)
Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino
Simplification and extension of non-periodic excitation source representations for high-quality speech manipulation systems. INTERSPEECH (2010)
Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino
Observation of empirical cumulative distribution of vowel spectral distances and its application to vowel based voice conversion. INTERSPEECH (2009)
Ryuichi Nisimura, Jumpei Miyake, Hideki Kawahara, Toshio Irino
Development of Speech Input Method for Interactive VoiceWeb Systems. HCI (2) (2009)
Takashi Yoshino, Taku Fukushima, Ryuichi Nisimura
A Web-based Multilingual Utterance Collection System for the Medical Field. WEBIST (2009)
Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, Masanori Morise, Toru Takahashi, Hideki Banno
Temporally variable multi-aspect auditory morphing enabling extrapolation without objective and perceptual breakdown. ICASSP (2009)
Hanae Itagaki, Masanori Morise, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara
A bottom-up procedure to extract periodicity structure of voiced sounds and its application to represent and restoration of pathological voices. MAVEBA (2009)
Hideki Kawahara, Masanori Morise, Hideki Banno, Toru Takahashi, Ryuichi Nisimura, Toshio Irino
Spectral envelope recovery beyond the nyquist limit for high-quality manipulation of speech sounds. INTERSPEECH (2008)
Tobias Cincarek, Hiromichi Kawanami, Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano
Development, Long-Term Operation and Portability of a Real-Environment Speech-Oriented Guidance System. IEICE Trans. Inf. Syst. (3) (2008)
Hideki Kawahara, Masanori Morise, Toru Takahashi, Ryuichi Nisimura, Toshio Irino, Hideki Banno
Tandem-STRAIGHT: A temporally stable power spectral representation for periodic signals and applications to interference-free spectrum, F0, and aperiodicity estimation. ICASSP (2008)
Ryuichi Nisimura, Jumpei Miyake, Hideki Kawahara, Toshio Irino
Speech-to-text input method for web system using JavaScript. SLT (2008)
Tobias Cincarek, Ryuichi Nisimura, Akinobu Lee, Kiyohiro Shikano
Insights Gained from Development and Long-Term Operation of a Real-Environment Speech-Oriented Guidance System. ICASSP (4) (2007)
Junichi Ido, Yoshio Matsumoto, Tsukasa Ogasawara, Ryuichi Nisimura
Humanoid with Interaction Ability Using Vision and Speech Information. IROS (2006)
Ryuichi Nisimura, Souji Omae, Hideki Kawahara, Toshio Irino
Analyzing dialogue data for real-world emotional speech classification. INTERSPEECH (2006)
Ryuichi Nisimura, Akinobu Lee, Masashi Yamada, Kiyohiro Shikano
Operating a public spoken guidance system in real environment. INTERSPEECH (2005)
Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano
Public speech-oriented guidance system with adult and child discrimination capability. ICASSP (1) (2004)
Akinobu Lee, Keisuke Nakamura, Ryuichi Nisimura, Hiroshi Saruwatari, Kiyohiro Shikano
Noise robust real world spoken dialogue system using GMM based rejection of unintended inputs. INTERSPEECH (2004)
Ryuichi Nisimura, Takashi Uchida, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano, Yoshio Matsumoto
ASKA: receptionist robot with speech dialogue system. IROS (2002)
Ryuichi Nisimura, Kumiko Komatsu, Yuka Kuroda, Kentaro Nagatomo, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano
Automatic n-gram language model creation from web resources. INTERSPEECH (2001)