Ryuichi Nisimura

38 papers A 16C 1Misc 4Journal 1Unranked 16

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