Spoken word recognition based on top-down phoneme segmentation. - Kiyoaki Aikawa; Masahide Sugiyama; Kiyohiro Shikano (ICASSP, 1985)

Automatic generation of consonant discrimination rules. - Kiyoaki Aikawa (ICASSP, 1986)

Spectral movement function and its application to speech recognition. - Kiyoaki Aikawa; Sadaoki Furui (ICASSP, 1988)

Speech recognition using sub-phoneme recognition neural network. - Kiyoaki Aikawa; Alexander H. Waibel (ICSLP, 1990)

A dynamic cepstrum incorporating time-frequency masking and its application to continuous speech recognition. - Kiyoaki Aikawa; Harald Singer; Hideki Kawahara; Yoh'ichi Tohkura (ICASSP (2), 1993)

Feature extraction using a matrix coefficient filter for speech recognition. - Kazuki Katagishi; Harald Singer; Kiyoaki Aikawa; Shigeki Sagayama (Speech Commun., 1993)

Optimization of time-frequency masking filters using the minimum classification error criterion. - Michiel Bacchiani; Kiyoaki Aikawa (ICASSP (2), 1994)

Comparative study of spectral representations in measuring the English /r/-/l/ acoustic-perceptual dissimilarity. - Kiyoaki Aikawa; Reiko Akahane-Yamada (ICSLP, 1994)

Noise robust speech recognition using a dynamic-cepstrum. - Kiyoaki Aikawa; Tsuyoshi Saito (ICSLP, 1994)

Spontaneous speech recognition using dynamic CEPSTRA incorporating forward and backward masking effect. - Tomohiko Beppu; Kiyoaki Aikawa (EUROSPEECH, 1995)

A neural matrix model for active tracking of frequency-modulated tones. - Kiyoaki Aikawa; Hideki Kawahara; Minoru Tsuzaki (ICSLP, 1996)

Intelligibility and acoustic correlates of Japanese accented English vowels. - Diane Kewley-Port; Reiko Akahane-Yamada; Kiyoaki Aikawa (ICSLP, 1996)

Improved estimation of supervision in unsupervised speaker adaptation. - Shigeru Homma; Kiyoaki Aikawa; Shigeki Sagayama (ICASSP, 1997)

Discrete mixture HMM. - Satoshi Takahashi; Kiyoaki Aikawa; Shigeki Sagayama (ICASSP, 1997)

Rejection of out-of-vocabulary words using phoneme confidence likelihood. - Takatoshi Jitsuhiro; Satoshi Takahashi; Kiyoaki Aikawa (ICASSP, 1998)

Robust model for speaker verification against session-dependent utterance variation. - Tomoko Matsui; Kiyoaki Aikawa (ICASSP, 1998)

Speaker-independent speech recognition using micro segment spectrum integration. - Kiyoaki Aikawa (ICSLP, 1998)

Robust speaker verification insensitive to session-dependent utterance variation and handset-dependent distortion. - Tomoko Matsui; Kiyoaki Aikawa (ICSLP, 1998)

Effects of system barge-in responses on user impressions. - Jun-ichi Hirasawa; Mikio Nakano; Takeshi Kawabata; Kiyoaki Aikawa (EUROSPEECH, 1999)

An efficient dialogue control method under system²s limited knowledge. - Kohji Dohsaka; Norihito Yasuda; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2000)

New feature parameters for detecting misunderstandings in a spoken dialogue system. - Jun-ichi Hirasawa; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2000)

A new method for understanding sequences of utterances by multiple speakers. - Noboru Miyazaki; Jun-ichi Hirasawa; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2000)

WIT: A Toolkit for Building Robust and Real-Time Spoken Dialogu Systems. - Mikio Nakano; Noboru Miyazaki; Norihito Yasuda; Akira Sugiyama; Jun-ichi Hirasawa; Kohji Dohsaka; Kiyoaki Aikawa (SIGDIAL Workshop, 2000)

Spoken Dialogue Control Based on a Turn-minimization Criterion Depending on the Speech Recognition Accuracy. - Norihito Yasuda; Kohji Dohsaka; Kiyoaki Aikawa (SIGDIAL Workshop, 2001)

Noise-robust speech recognition using a new spectral estimation method "PHASOR". - Kiyoaki Aikawa; Kentaro Ishizuka (ICASSP, 2002)

A method for evaluating incremental utterance understanding in spoken dialogue systems. - Ryuichiro Higashinaka; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2002)

Effect of F0 fluctuation and amplitude modulation of natural vowels on vowel identification in noisy environments. - Kentaro Ishizuka; Kiyoaki Aikawa (INTERSPEECH, 2002)

Learning decision trees to determine turn-taking by spoken dialogue systems. - Ryo Sato; Ryuichiro Higashinaka; Masafumi Tamoto; Mikio Nakano; Kiyoaki Aikawa (INTERSPEECH, 2002)

An efficient dialogue control method using decision tree-based estimation of out-of-vocabulary word attributes. - Yasuhiro Takahashi; Kohji Dohsaka; Kiyoaki Aikawa (INTERSPEECH, 2002)

Corpus-Based Discourse Understanding in Spoken Dialogue Systems. - Ryuichiro Higashinaka; Mikio Nakano; Kiyoaki Aikawa (ACL, 2003)

Efficient spoken dialogue control depending on the speech recognition rate and system's database. - Kohji Dohsaka; Norihito Yasuda; Kiyoaki Aikawa (INTERSPEECH, 2003)

A vector-based method for efficiently representing multivariate environmental information. - Akemi Iida; Yoshito Ueno; Ryohei Matsuura; Kiyoaki Aikawa (INTERSPEECH, 2004)

Fundamental Frequency Estimation for Noisy Speech Using Entropy-Weighted Periodic and Harmonic Features. - Yuichi Ishimoto; Kentaro Ishizuka; Kiyoaki Aikawa; Masato Akagi (IEICE Trans. Inf. Syst., 2004)

Evaluating discourse understanding in spoken dialogue systems. - Ryuichiro Higashinaka; Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (ACM Trans. Speech Lang. Process., 2004)

Audiovisual interaction on the perception of frequency glide of linear sweep tones. - Kiyoaki Aikawa; Hayato Hashimoto (INTERSPEECH, 2005)

Spoken dialogue understanding using an incremental speech understanding method. - Noboru Miyazaki; Mikio Nakano; Kiyoaki Aikawa (Syst. Comput. Jpn., 2005)

Vector-based sound retrieval using successive relative search. - Kiyoaki Aikawa; Kanako Yajima (ICASSP, 2008)

Test Collections for Spoken Document Retrieval from Lecture Audio Data. - Tomoyosi Akiba; Kiyoaki Aikawa; Yoshiaki Itoh 001; Tatsuya Kawahara; Hiroaki Nanjo; Hiromitsu Nishizaki; Norihito Yasuda; Yoichi Yamashita; Katunobu Itou (LREC, 2008)

Construction of a Test Collection for Spoken Document Retrieval from Lecture Audio Data. - Tomoyosi Akiba; Kiyoaki Aikawa; Yoshiaki Itoh 001; Tatsuya Kawahara; Hiroaki Nanjo; Hiromitsu Nishizaki; Norihito Yasuda; Yoichi Yamashita; Katunobu Itou (J. Inf. Process., 2009)

Acoustic correlates of voice quality improvement by voice training. - Kiyoaki Aikawa; Junko Uenuma; Tomoko Akitake (INTERSPEECH, 2010)

Constructing Japanese test collections for spoken term detection. - Yoshiaki Itoh 001; Hiromitsu Nishizaki; Xinhui Hu; Hiroaki Nanjo; Tomoyosi Akiba; Tatsuya Kawahara; Seiichi Nakagawa; Tomoko Matsui; Yoichi Yamashita; Kiyoaki Aikawa (INTERSPEECH, 2010)

Towards Voice-Input Symbolic Pattern Retrieval Using Parameter-Based Search. - Yukiko Suzuki; Kiyoaki Aikawa (INTERSPEECH, 2011)

Overview of the IR for Spoken Documents Task in NTCIR-9 Workshop. - Tomoyosi Akiba; Hiromitsu Nishizaki; Kiyoaki Aikawa; Tatsuya Kawahara; Tomoko Matsui (NTCIR, 2011)

Designing an Evaluation Framework for Spoken Term Detection and Spoken Document Retrieval at the NTCIR-9 SpokenDoc Task. - Tomoyosi Akiba; Hiromitsu Nishizaki; Kiyoaki Aikawa; Tatsuya Kawahara; Tomoko Matsui (LREC, 2012)

Overview of the NTCIR-10 SpokenDoc-2 Task. - Tomoyosi Akiba; Hiromitsu Nishizaki; Kiyoaki Aikawa; Xinhui Hu; Yoshiaki Itoh 001; Tatsuya Kawahara; Seiichi Nakagawa; Hiroaki Nanjo; Yoichi Yamashita (NTCIR, 2013)

Evaluation Framework Design of Spoken Term Detection Study at the NTCIR-9 IR for Spoken Documents Task. - Hiromitsu Nishizaki; Tomoyosi Akiba; Kiyoaki Aikawa; Tatsuya Kawahara; Tomoko Matsui (Inf. Media Technol., 2013)

Developing an Online Self-learning System of Indonesian Pronunciation for Foreign Learners. - Muljono; Surya Sumpeno; Dhany Arifianto; Kiyoaki Aikawa; Mauridhi Hery Purnomo (Int. J. Emerg. Technol. Learn., 2016)