| 2026 | COMPSAC | Selective Privacy Protection in Speech Data: Suppressing Age Inference While Preserving Speaker Utility. | Aoi Ito, Katunobu Itou, Ryuichi Nisimura |
| 2015 | Interspeech | How the slope of the speech spectrum affects the perception of speaker size. | Kodai Yamamoto, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara, Roy D. Patterson |
| 2014 | HCI | Development of a Mobile Application for Crowdsourcing the Data Collection of Environmental Sounds. | Minori Matsuyama, Ryuichi Nisimura, Hideki Kawahara, Junnosuke Yamada, Toshio Irino |
| 2014 | HCI | Proposal for an Interactive 3D Sound Playback Interface Controlled by User behavior. | Ryuichi Nisimura, Kazuki Hashimoto, Hideki Kawahara, Toshio Irino |
| 2014 | Interspeech | 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 |
| 2014 | Interspeech | 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 |
| 2013 | ICASSP | 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 |
| 2013 | Interspeech | 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 |
| 2013 | Interspeech | 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 |
| 2012 | Interspeech | 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 |
| 2011 | HCI | 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 |
| 2011 | Interspeech | Auditory Filterbank Improves Voice Morphing. | Erika Okamoto, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara |
| 2010 | ICASSP | High-quality and light-weight voice transformation enabling extrapolation without perceptual and objective breakdown. | Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, Masanori Morise, Toru Takahashi, Hideki Banno |
| 2010 | Interspeech | Simplification and extension of non-periodic excitation source representations for high-quality speech manipulation systems. | Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino |
| 2009 | HCI | Development of Speech Input Method for Interactive VoiceWeb Systems. | Ryuichi Nisimura, Jumpei Miyake, Hideki Kawahara, Toshio Irino |
| 2009 | ICASSP | Temporally variable multi-aspect auditory morphing enabling extrapolation without objective and perceptual breakdown. | Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, Masanori Morise, Toru Takahashi, Hideki Banno |
| 2009 | Interspeech | Observation of empirical cumulative distribution of vowel spectral distances and its application to vowel based voice conversion. | Hideki Kawahara, Masanori Morise, Toru Takahashi, Hideki Banno, Ryuichi Nisimura, Toshio Irino |
| 2009 | WEBIST | A Web-based Multilingual Utterance Collection System for the Medical Field. | Takashi Yoshino, Taku Fukushima, Ryuichi Nisimura |
| 2008 | ICASSP | 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, Ryuichi Nisimura, Toshio Irino, Hideki Banno |
| 2008 | Interspeech | Spectral envelope recovery beyond the nyquist limit for high-quality manipulation of speech sounds. | Hideki Kawahara, Masanori Morise, Hideki Banno, Toru Takahashi, Ryuichi Nisimura, Toshio Irino |
| 2007 | ICASSP | Insights Gained from Development and Long-Term Operation of a Real-Environment Speech-Oriented Guidance System. | Tobias Cincarek, Ryuichi Nisimura, Akinobu Lee, Kiyohiro Shikano |
| 2006 | Interspeech | Analyzing dialogue data for real-world emotional speech classification. | Ryuichi Nisimura, Souji Omae, Hideki Kawahara, Toshio Irino |
| 2006 | IROS | Humanoid with Interaction Ability Using Vision and Speech Information. | Junichi Ido, Yoshio Matsumoto, Tsukasa Ogasawara, Ryuichi Nisimura |
| 2005 | Interspeech | Operating a public spoken guidance system in real environment. | Ryuichi Nisimura, Akinobu Lee, Masashi Yamada, Kiyohiro Shikano |
| 2004 | ICASSP | Public speech-oriented guidance system with adult and child discrimination capability. | Ryuichi Nisimura, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano |
| 2004 | Interspeech | Noise robust real world spoken dialogue system using GMM based rejection of unintended inputs. | Akinobu Lee, Keisuke Nakamura, Ryuichi Nisimura, Hiroshi Saruwatari, Kiyohiro Shikano |
| 2002 | IROS | ASKA: receptionist robot with speech dialogue system. | Ryuichi Nisimura, Takashi Uchida, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano, Yoshio Matsumoto |
| 2001 | Interspeech | Automatic n-gram language model creation from web resources. | Ryuichi Nisimura, Kumiko Komatsu, Yuka Kuroda, Kentaro Nagatomo, Akinobu Lee, Hiroshi Saruwatari, Kiyohiro Shikano |