Ryuichi Nisimura

发表

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, 2012, INTERSPEECH.

Humanoid withInteraction Ability UsingVision andSpeech Information

Tsukasa Ogasawara, Ryuichi Nisimura, Junichi Ido, 2006 .

Analyzing dialogue data for real-world emotional speech classification

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2006, INTERSPEECH.

Detecting child speaker based on auditory feature vectors for VTL estimation

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2012, Proceedings of The 2012 Asia Pacific Signal and Information Processing Association Annual Summit and Conference.

A bottom-up procedure to extract periodicity structure of voiced sounds and its application to represent and restoration of pathological voices

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2009, MAVEBA.

A Web-based Multilingual Utterance Collection System for the Medical Field

Ryuichi Nisimura, Takashi Yoshino, Taku Fukushima, 2009, WEBIST.

High-quality and light-weight voice transformation enabling extrapolation without perceptual and objective breakdown

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2010, 2010 IEEE International Conference on Acoustics, Speech and Signal Processing.

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, 2013, 2013 IEEE International Conference on Acoustics, Speech and Signal Processing.

Controlling "shout" expression in a Japanese POP singing performance: analysis and suppression study

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2013, INTERSPEECH.

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, Ryuichi Nisimura, 2008, 2008 IEEE International Conference on Acoustics, Speech and Signal Processing.

Observation of empirical cumulative distribution of vowel spectral distances and its application to vowel based voice conversion

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2009, INTERSPEECH.

F0 trajectory deviations from nominal musical transcription in Pop singing

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2008 .

Open answer scoring for S-CAT automated speaking test system using support vector regression

Yasuo Horiuchi, Shingo Kuroiwa, Kenkichi Ishizuka, 2012, Proceedings of The 2012 Asia Pacific Signal and Information Processing Association Annual Summit and Conference.

Spectral envelope recovery beyond the nyquist limit for high-quality manipulation of speech sounds

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2008, INTERSPEECH.

A Report on ICSLP : Language Modeling and Spoken Dialog Systems

Katsuhito Sudoh, Ryuichi Nisimura, Yuya Akita, 2006 .

Speech-to-text input method for web system using JavaScript

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2008, 2008 IEEE Spoken Language Technology Workshop.

Takemaru-kun : Speech-Oriented Information System for Real World Research Platform

Ryuichi Nisimura, R. Nisimura, 2003 .

ASKA: receptionist robot with speech dialogue system

Kiyohiro Shikano, Ryuichi Nisimura, Yoshio Matsumoto, 2002, IEEE/RSJ International Conference on Intelligent Robots and Systems.

Aperiodicity extraction based on linear prediction and temporal axis warping using fundamental frequency information

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2008 .

Automatic n-gram language model creation from web resources

Kiyohiro Shikano, Ryuichi Nisimura, Hiroshi Saruwatari, 2001, INTERSPEECH.

Operating a public spoken guidance system in real environment

Kiyohiro Shikano, Masashi Yamada, Ryuichi Nisimura, 2005, INTERSPEECH.

Excitation source design for high-quality speech manipulation systems based on a temporally static group delay representation of periodic signals

Tomoki Toda, Hideki Kawahara, Masanori Morise, 2014, Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific.

Noise robust real world spoken dialogue system using GMM based rejection of unintended inputs

Kiyohiro Shikano, Ryuichi Nisimura, Keisuke Nakamura, 2004, INTERSPEECH.

Identification of environmental noise and unnecessary utterance on a real information guidance system with spoken dialogue interface

Kiyohiro Shikano, Ryuichi Nisimura, Hiroshi Saruwatari, 2004 .

Insights Gained from Development and Long-Term Operation of a Real-Environment Speech-Oriented Guidance System

Kiyohiro Shikano, Ryuichi Nisimura, Akinobu Lee, 2007, 2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07.

Automatic scoring method for open answer task in the SJ-CAT speaking test considering utterance difficulty level

Kenkichi Ishizuka, Takeshi Yamada, Ryuichi Nisimura, 2014, Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific.

Accurate estimation of compression in simultaneous masking enables the simulation of hearing impairment for normal-hearing listeners.

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2013, Advances in experimental medicine and biology.

Simplification and extension of non-periodic excitation source representations for high-quality speech manipulation systems

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2010, INTERSPEECH.

E-Society Software Development Project for Speech Recognition and Synthesis(Technical Report)

Heiga Zen, Tomoki Toda, Kiyohiro Shikano, 2003 .

Development of Speech Input System for Web-based Courseware

Ryuichi Nisimura, Kazuya Takeda, Fumitada Itakura, 2000 .

Modulation transfer function design for a flexible cross synthesis VOCODER based on F0 adaptive spectral envelope recovery

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2012, Proceedings of The 2012 Asia Pacific Signal and Information Processing Association Annual Summit and Conference.

Development of Web-Based Voice Interface to Identify Child Users Based on Automatic Speech Recognition System

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2011, HCI.

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, Ryuichi Nisimura, Toshio Irino, 2014, INTERSPEECH.

An interference-free representation of group delay for periodic signals

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2012, Proceedings of The 2012 Asia Pacific Signal and Information Processing Association Annual Summit and Conference.

Speech and Noise Recognition for Dialogue Robot in Ubiquitous Home Network

Ryuichi Nisimura, Junji Satake, Hirotada Ueda, 2005 .

Temporally variable multi-aspect auditory morphing enabling extrapolation without objective and perceptual breakdown

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2009, 2009 IEEE International Conference on Acoustics, Speech and Signal Processing.

Development of a Mobile Application for Crowdsourcing the Data Collection of Environmental Sounds

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2014, HCI.

Development of Speech Input Method for Interactive VoiceWeb Systems

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2009, HCI.

Optimizing the simultaneous estimation of frequency selectivity and compression using notched-noise maskers with asymmetric levels

Roy D. Patterson, Hideki Kawahara, Ryuichi Nisimura, 2013 .

How the slope of the speech spectrum affects the perception of speaker size

Roy D. Patterson, Hideki Kawahara, Ryuichi Nisimura, 2015, INTERSPEECH.

Humanoid with Interaction Ability Using Vision and Speech Information

Tsukasa Ogasawara, Ryuichi Nisimura, Junichi Ido, 2006, 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Beyond bandlimited sampling of speech spectral envelope imposed by the harmonic structure of voiced sounds

Tomoki Toda, Hideki Kawahara, Masanori Morise, 2013, INTERSPEECH.

Proposal for an Interactive 3D Sound Playback Interface Controlled by User behavior

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2014, HCI.

Hearing impairment simulator based on compressive gammachirp filter

Roy D. Patterson, Hideki Kawahara, Ryuichi Nisimura, 2014, Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific.

Auditory Filterbank Improves Voice Morphing

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2011, INTERSPEECH.

Development, Long-Term Operation and Portability of a Real-Environment Speech-Oriented Guidance System

Kiyohiro Shikano, Ryuichi Nisimura, Hiroshi Saruwatari, 2008, IEICE Trans. Inf. Syst..

Public speech-oriented guidance system with adult and child discrimination capability

Kiyohiro Shikano, Ryuichi Nisimura, Hiroshi Saruwatari, 2004, 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing.

Development of versatile speech synthesis technology based on STRAIGHT

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2008 .

Developing a method to build Japanese speech recognition system based on 3-gram language model expansion with Google database

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2013, IEEE Conference Anthology.

Excitation source analysis for high-quality speech manipulation systems based on an interference-free representation of group delay with minimum phase response compensation

Tomoki Toda, Hideki Kawahara, Masanori Morise, 2014, INTERSPEECH.

Vocal tract length estimation for voiced and whispered speech using gammachirp filterbank

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2013, 2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference.

Development and Evaluation of Takemaru-kun Spoken Guidance System and Portability to Kita-chan and Kita-robo Systems

Kiyohiro Shikano, Ryuichi Nisimura, Akinobu Lee, 2006 .

A unified approach for F 0 extraction and aperiodicity estimation based on a temporally stable power spectral representation

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2008 .

Evaluation and optimization of F0-adaptive spectral envelope estimation based on spectral smoothing with peak emphasis

Hideki Kawahara, Masanori Morise, Ryuichi Nisimura, 2010 .

Estimated relative vocal tract lengths from vowel spectra based on fundamental frequency adaptive analyses and their relations to relevant physical data of speakers

Hideki Kawahara, Ryuichi Nisimura, Toshio Irino, 2013 .