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ORCIDRyuichi Nisimura
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2010 – 2019
- 2015
[c37]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: 1556-1560- 2014
- [c36]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: 1-10 - [c35]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: 1-5 - [c34]Misaki Nagae, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara, Roy D. Patterson:
Hearing impairment simulator based on compressive gammachirp filter. APSIPA 2014: 1-4 - [c33]Ryuichi Nisimura, Kazuki Hashimoto, Hideki Kawahara, Toshio Irino:
Proposal for an Interactive 3D Sound Playback Interface Controlled by User behavior. HCI (26) 2014: 446-450 - [c32]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: 514-524 - [c31]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: 870-874 - [c30]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: 2243-2247 - 2013
- [c29]Toshio Irino, Erika Okamoto, Ryuichi Nisimura, Hideki Kawahara:
Vocal tract length estimation for voiced and whispered speech using gammachirp filterbank. APSIPA 2013: 1-4 - [c28]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: 6797-6801 - [c27]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: 34-38 - [c26]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: 2905-2909 - 2012
- [c25]Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, Toshio Irino:
An interference-free representation of group delay for periodic signals. APSIPA 2012: 1-4 - [c24]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: 1-7 - [c23]Ryuichi Nisimura, Shoko Miyamori, Erika Okamoto, Hideki Kawahara, Toshio Irino:
Detecting child speaker based on auditory feature vectors for VTL estimation. APSIPA 2012: 1-5 - [c22]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: 1-4 - [c21]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: 386-389 - 2011
- [c20]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: 607-616 - [c19]Erika Okamoto, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara:
Auditory Filterbank Improves Voice Morphing. INTERSPEECH 2011: 2517-2520 - 2010
- [c18]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: 4818-4821 - [c17]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: 38-41
2000 – 2009
- 2009
- [c16]Ryuichi Nisimura, Jumpei Miyake, Hideki Kawahara, Toshio Irino:
Development of Speech Input Method for Interactive VoiceWeb Systems. HCI (2) 2009: 710-719 - [c15]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: 3905-3908 - [c14]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: 2647-2650 - [c13]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: 115-118 - [c12]Takashi Yoshino, Taku Fukushima, Ryuichi Nisimura:
A Web-based Multilingual Utterance Collection System for the Medical Field. WEBIST 2009: 370-375 - 2008
- [j1]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. 91-D(3): 576-587 (2008) - [c11]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: 3933-3936 - [c10]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: 650-653 - [c9]Ryuichi Nisimura, Jumpei Miyake, Hideki Kawahara, Toshio Irino:
Speech-to-text input method for web system using JavaScript. SLT 2008: 209-212 - 2007
- [c8]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: 157-160 - 2006
- [c7]Ryuichi Nisimura, Souji Omae, Hideki Kawahara, Toshio Irino:
Analyzing dialogue data for real-world emotional speech classification. INTERSPEECH 2006 - [c6]Junichi Ido, Yoshio Matsumoto, Tsukasa Ogasawara, Ryuichi Nisimura:
Humanoid with Interaction Ability Using Vision and Speech Information. IROS 2006: 1316-1321 - 2005
- [c5]Ryuichi Nisimura, Akinobu Lee, Masashi Yamada, Kiyohiro Shikano:
Operating a public spoken guidance system in real environment. INTERSPEECH 2005: 845-848 - 2004
- [c4]Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano:
Public speech-oriented guidance system with adult and child discrimination capability. ICASSP (1) 2004: 433-436 - [c3]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: 173-176 - 2002
- [c2]Ryuichi Nisimura, Takashi Uchida, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano, Yoshio Matsumoto:
ASKA: receptionist robot with speech dialogue system. IROS 2002: 1314-1319 - 2001
- [c1]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: 2127-2130
Coauthor Index
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