An Audio Response Unit Based on Partial Autocorrelation. - Fumitada Itakura; Shuzo Saito; Tsunehiko Koike; Hiroshi Sawabe; Masaaki Nishikawa (IEEE Trans. Commun., 1972)

Adaptive bit allocation scheme in predictive coding of speech. - Masaaki Honda; Nobuhiko Kitawaki; Fumitada Itakura (ICASSP, 1982)

A hardware implementation of a new narrow to medium band speech coding. - Fumitada Itakura; Takao Kobayashi; Masaaki Honda (ICASSP, 1982)

Frequency spectrum deviation between speakers. - Shuzo Saito; Fumitada Itakura (Speech Commun., 1983)

Comments on "Notes on bit allocation in the time and frequency domains". - Masaaki Honda; Fumitada Itakura (IEEE Trans. Acoust. Speech Signal Process., 1985)

Duality theory of composite sinusoidal modeling and linear prediction. - Shigeki Sagayama; Fumitada Itakura (ICASSP, 1986)

Analysis of time fluctuating characteristics of linear predictive coefficients. - Taizo Umezaki; Fumitada Itakura (ICASSP, 1986)

Speech analysis and synthesis methods developed at ECL in NTT - From LPC to LSP -. - Noboru Sugamura; Fumitada Itakura (Speech Commun., 1986)

Distance measure for speech recognition based on the smoothed group delay spectrum. - Fumitada Itakura; Taizo Umezaki (ICASSP, 1987)

Low bit quantization of the smoothed group delay spectrum for speech recognition. - Harald Singer; Taizo Umezaki; Fumitada Itakura (ICASSP, 1990)

Early developments of LPC speech coding techniques. - Fumitada Itakura (ICSLP, 1990)

Recovery of reverberated speech using multi-microphone sub-band envelope estimation. - Hong Wang; Fumitada Itakura (ICSLP, 1990)

An approach to dereverberation using multi-microphone sub-band envelope estimation. - Hong Wang; Fumitada Itakura (ICASSP, 1991)

Recovering of broadband reverberant speech signal by sub-band MINT method. - Hideaki Yamada; Hong Wang; Fumitada Itakura (ICASSP, 1991)

Text-dependent speaker recognition using the information in the higher frequency band. - Shoji Hayakawa; Fumitada Itakura (ICASSP (1), 1994)

Subband-Autocorrelation analysis and its application for speech recognition. - Shoji Kajita; Fumitada Itakura (ICASSP (2), 1994)

Determination of human vocal-tract dynamic geometry from formant trajectories using spatial and temporal Fourier analysis. - Hani Yehia; Fumitada Itakura (ICASSP (1), 1994)

Sbcor spectrum taking autocorrelation coefficients at integral multiples of 1/CF into account. - Shoji Kajita; Fumitada Itakura (ICSLP, 1994)

The influence of noise on the speaker recognition performance using the higher frequency band. - Shoji Hayakawa; Fumitada Itakura (ICASSP, 1995)

Robust speech feature extraction using SBCOR analysis. - Shoji Kajita; Fumitada Itakura (ICASSP, 1995)

Acoustic measurements of the vocal-tract area function: sensitivity analysis and experiments. - Hani Yehia; Masaaki Honda; Fumitada Itakura (ICASSP, 1995)

Subband-crosscorrelation analysis for robust speech recognition. - Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICSLP, 1996)

Extracting speech features from human speech-like noise. - Daisuke Kobayashi; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICSLP, 1996)

Variability of lombard effects under different noise conditions. - Atsushi Wakao; Kazuya Takeda; Fumitada Itakura (ICSLP, 1996)

A method to combine acoustic and morphological constraints in the speech production inverse problem. - Hani Yehia; Fumitada Itakura (Speech Commun., 1996)

Speaker Identification Using Harmonic Structure of LP-residual Spectrum. - Shoji Hayakawa; Kazuya Takeda; Fumitada Itakura (AVBPA, 1997)

A binaural speech processing method using subband-cross correlation analysis for noise robust recognition. - Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 1997)

Voice activity detection using source separation techniques. - Tomohiko Taniguchi; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (EUROSPEECH, 1997)

Spectral weighting of SBCOR for noise robust speech recognition. - Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 1998)

Balancing acoustic and linguistic probabilities. - Atsunori Ogawa; Kazuya Takeda; Fumitada Itakura (ICASSP, 1998)

Estimating entropy of a language from optimal word insertion penalty. - Kazuya Takeda; Atsunori Ogawa; Fumitada Itakura (ICSLP, 1998)

Audio data hiding by use of band-limited random sequences. - Mikio Ikeda; Kazuya Takeda; Fumitada Itakura (ICASSP, 1999)

Compensating of room acoustic transfer functions affected by change of room temperature. - Michiaki Omura; Motohiko Yada; Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 1999)

Speech enhancement using nonlinear microphone array with complementary beamforming. - Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 1999)

Speaker conversion through non-linear frequency warping of straight spectrum. - Noriyasu Maeda; Hideki Banno; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (EUROSPEECH, 1999)

Speech enhancement using nonlinear microphone array under nonstationary noise conditions. - Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (EUROSPEECH, 1999)

Speech enhancement based on noise adaptive nonlinear microphone array. - Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (EUSIPCO, 2000)

Evaluation of blind signal separation method using directivity pattern under reverberant conditions. - Satoshi Kurita; Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 2000)

Speech enhancement using nonlinear microphone array with noise adaptive complementary beamforming. - Hiroshi Saruwatari; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 2000)

Speech recognition based on space diversity using distributed multi-microphone. - Yasuhiro Shimizu; Shoji Kajita; Kazuya Takeda; Fumitada Itakura (ICASSP, 2000)

An acoustic measure for predicting recognition performance degradation. - Kazuya Takeda; Masaaki Kondo; Fumitada Itakura (ICASSP, 2000)

Construction of speech corpus in moving car environment. - Nobuo Kawaguchi; Shigeki Matsubara; Hiroyuki Iwa; Shoji Kajita; Kazuya Takeda; Fumitada Itakura; Yasuyoshi Inagaki (INTERSPEECH, 2000)

Blind source separation based on subband ICA and beamforming. - Hiroshi Saruwatari; Satoshi Kurita; Kazuya Takeda; Fumitada Itakura; Kiyohiro Shikano (INTERSPEECH, 2000)

Vector space representation of language probabilities through SVD of n-gram matrix. - Shiro Terashima; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2000)

Recognition of consonant-vowel utterances using Support Vector Machines. - Chellu Chandra Sekhar; Kazuya Takeda; Fumitada Itakura (ESANN, 2001)

Close-Class-Set Discrimination Method for Recognition of Stop_Consonant-Vowel Utterances Using Support Vector Machines. - Chellu Chandra Sekhar; Kazuya Takeda; Fumitada Itakura (ICANN, 2001)

A study on perceptual distance measure for phase spectrum of stimuli. - Hideki Banno; Kazuya Takeda; Fumitada Itakura (ICASSP, 2001)

Estimation of speech embedded in a reverberant environment with multiple sources of noise. - Allan Kardec Barros; Fumitada Itakura; Tomasz M. Rutkowski; Ali Mansour; Noboru Ohnishi (ICASSP, 2001)

Direction of arrival estimation based on nonlinear microphone array. - Hidekazu Kamiyanagida; Hiroshi Saruwatari; Kazuya Takeda; Fumitada Itakura (ICASSP, 2001)

Continuous speech recognition without end-point detection. - Osamu Segawa; Kazuya Takeda; Fumitada Itakura (ICASSP, 2001)

Multimedia data collection of in-car speech communication. - Nobuo Kawaguchi; Shigeki Matsubara; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2001)

Robust speech recognition based on selective use of missing frequency band HMMs. - Takayoshi Kawamura; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2001)

Synthesis of car noise based on a composition of engine noise and friction noise. - Yoshihide Ban; Hideki Banno; Kazuya Takeda; Fumitada Itakura (ICASSP, 2002)

Acoustic analysis and recognition of whispered speech. - Taisuke Ito; Kazuya Takeda; Fumitada Itakura (ICASSP, 2002)

Spatial compression of multi-channel audio signals using inverse filters. - Toshiyuki Kimura; Kazuhiko Kakehi; Kazuya Takeda; Fumitada Itakura (ICASSP, 2002)

A Physical Model of the Sho and Its Application to Articulation Synthesis. - Takafumi Hikichi; Naotoshi Osaka; Fumitada Itakura (ICMC, 2002)

Spectral Modification and MIDI Control for Improved Quality of Violin Sound Synthesis. - Parham Zolfaghari; Hideki Banno; Hiromitsu Ban; Kei Igarashi; Kazuya Takeda; Fumitada Itakura (ICMC, 2002)

Recognition of continuous speech segments of monophone units using support vector machines. - Weifeng Lee; C. Chandra Sekhar; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2002)

Multiple regression of log-spectra for in-car speech recognition. - Tetsuya Shinde; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2002)

Experiments on recognition of lavalier microphone speech and whispered speech in real world environments. - Kiyoshi Tatara; Taisuke Ito; Parham Zolfaghari; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2002)

Multi-Dimensional Data Acquisition for Integrated Acoustic Information Research. - Nobuo Kawaguchi; Shigeki Matsubara; Kazuya Takeda; Fumitada Itakura (LREC, 2002)

Recognition of Consonant-Vowel (CV) Units of Speech in a Broadcast News Corpus Using Support Vector Machines. - Chellu Chandra Sekhar; Kazuya Takeda; Fumitada Itakura (SVM, 2002)

Estimation of speech embedded in a reverberant and noisy environment by independent component analysis and wavelets. - Allan Kardec Barros; Tomasz M. Rutkowski; Fumitada Itakura; Noboru Ohnishi (IEEE Trans. Neural Networks, 2002)

In-car speech recognition using distributed microphones-adapting to automatically detected driving conditions. - Hideki Banno; Tetsuya Shinde; Kazuya Takeda; Fumitada Itakura (ICASSP (1), 2003)

Sho-So-In: New Synthesis Method for Addition of Articulations Based on a Sho-type Physical Model. - Takafumi Kikichi; Naotoshi Osaka; Fumitada Itakura (ICMC, 2003)

A study on domain recognition of spoken dialogue systems. - Toshihiro Isobe; Shoji Hayakawa; Hiroya Murao; Tatsuji Mizutani; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2003)

Glottal closure instant synchronous sinusoidal model for high quality speech analysis/synthesis. - Parham Zolfaghari; Tomohiro Nakatani; Toshio Irino; Hideki Kawahara; Fumitada Itakura (INTERSPEECH, 2003)

Blind Source Separation Combining Independent Component Analysis and Beamforming. - Hiroshi Saruwatari; Satoshi Kurita; Kazuya Takeda; Fumitada Itakura; Tsuyoki Nishikawa; Kiyohiro Shikano (EURASIP J. Adv. Signal Process., 2003)

Biometric identification using driving behavioral signals. - Kei Igarashi; Chiyomi Miyajima; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura; Hüseyin Abut (ICME, 2004)

Speech recognition using synchronization between speech and finger tapping. - Hiromitsu Ban; Chiyomi Miyajima; Katsunobu Itou; Fumitada Itakura; Kazuya Takeda (INTERSPEECH, 2004)

Analysis of in-car speech recognition experiments using a large-scale multi-mode dialogue corpus. - Hiroshi Fujimura; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2004)

CIAIR in-car speech database. - Nobuo Kawaguchi; Shigeki Matsubara; Yukiko Yamaguchi; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2004)

Optimizing regression for in-car speech recognition using multiple distributed microphones. - Weifeng Li 001; Fumitada Itakura; Kazuya Takeda (INTERSPEECH, 2004)

Speech enhancement based on magnitude estimation using the gamma prior. - Weifeng Li 001; Kazuya Takeda; Fumitada Itakura; Tran Huy Dat (INTERSPEECH, 2004)

In-Car Speech Recognition Using Distributed Multiple Microphones. - Weifeng Li 001; Takanori Nishino; Chiyomi Miyajima; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (PCM (1), 2004)

Multimedia Corpus of In-Car Speech Communication. - Nobuo Kawaguchi; Kazuya Takeda; Fumitada Itakura (J. VLSI Signal Process., 2004)

Generalized gamma modeling of speech and its online estimation for speech enhancement. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (ICASSP (4), 2005)

Analysis of a large in-car speech corpus and its application to the multimodel ASR. - Hiroshi Fujimura; Chiyomi Miyajima; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (ICASSP (1), 2005)

Spatial coding based on the extraction of moving sound sources in wavefield synthesis. - Toshiyuki Kimura; Kazuhiko Kakehi; Kazuya Takeda; Fumitada Itakura (ICASSP (3), 2005)

Two-stage Noise Spectra Estimation and Regression based In-car Speech Recognition using Single Distant Microphone. - Weifeng Li 001; Katunobu Itou; Kazuya Takeda; Fumitada Itakura (ICASSP (1), 2005)

SNR and Local Noise Power Estimations Based on Gaussian Mixture Modeling on the Log-Power Domain. - Kazuya Takeda; Tran Huy Dat; Hiroshi Fujimura; Fumitada Itakura (ICASSP (1), 2005)

A speech enhancement system based on data clustering and cumulative histogram equalization. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (ICDE Workshops, 2005)

Improved Noise Spectra Estimation and Log-spectral Regression for In-car Speech Recognition. - Weifeng Li 001; Katunobu Itou; Kazuya Takeda; Fumitada Itakura (ICDE Workshops, 2005)

Subjective and objective quality assessment of regression-enhanced speech in real car environments. - Weifeng Li 001; Katunobu Itou; Kazuya Takeda; Fumitada Itakura (INTERSPEECH, 2005)

Maximum a Posterior Probability and Cumulative Distribution Function Equalization Methods for Speech Spectral Estimation with Application in Noise Suppression Filtering. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (NOLISP, 2005)

Speech Recognition Using Finger Tapping Timings. - Hiromitsu Ban; Chiyomi Miyajima; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2005)

CIAIR In-Car Speech Corpus - Influence of Driving Status. - Nobuo Kawaguchi; Shigeki Matsubara; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2005)

Adaptive Nonlinear Regression Using Multiple Distributed Microphones for In-Car Speech Recognition. - Weifeng Li 001; Chiyomi Miyajima; Takanori Nishino; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Multiple Regression of Log Spectra for In-Car Speech Recognition Using Multiple Distributed Microphones. - Weifeng Li 001; Tetsuya Shinde; Hiroshi Fujimura; Chiyomi Miyajima; Takanori Nishino; Katunobu Itou; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2005)

Construction and Evaluation of a Large In-Car Speech Corpus. - Kazuya Takeda; Hiroshi Fujimura; Katsunobu Itou; Nobuo Kawaguchi; Shigeki Matsubara; Fumitada Itakura (IEICE Trans. Inf. Syst., 2005)

Analysis and recognition of whispered speech. - Taisuke Ito; Kazuya Takeda; Fumitada Itakura (Speech Commun., 2005)

Adaptive log-spectral regression for in-car speech recognition using multiple distributed microphones. - Weifeng Li 001; Kazuya Takeda; Fumitada Itakura (IEEE Signal Process. Lett., 2005)

Multichannel Speech Enhancement Based on Speech Spectral Magnitude Estimation Using Generalized Gamma Prior Distribution. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (ICASSP (4), 2006)

Adaptive Regression Based Framework for In-Car Speech Recognition. - Weifeng Li 001; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (ICASSP (1), 2006)

Characterizing in-Car Conversational Speech of Different Dialogue Modes. - Hiroshi Fujimura; Chiyomi Miyajima; Nobuo Kawaguchi; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (ICICIC (2), 2006)

Gamma Modeling of Speech Power and Its On-Line Estimation for Statistical Speech Enhancement. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2006)

Single-Channel Multiple Regression for In-Car Speech Enhancement. - Weifeng Li 001; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2006)

Driver Identification Using Driving Behavior Signals. - Toshihiro Wakita; Koji Ozawa; Chiyomi Miyajima; Kei Igarashi; Katunobu Itou; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2006)

On-line Gaussian mixture modeling in the log-power domain for signal-to-noise ratio estimation and speech enhancement. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (Speech Commun., 2006)

Robust In-Car Speech Recognition Based on Nonlinear Multiple Regressions. - Weifeng Li 001; Kazuya Takeda; Fumitada Itakura (EURASIP J. Adv. Signal Process., 2007)

Driver Modeling Based on Driving Behavior and Its Evaluation in Driver Identification. - Chiyomi Miyajima; Yoshihiro Nishiwaki; Koji Ozawa; Toshihiro Wakita; Katsunobu Itou; Kazuya Takeda; Fumitada Itakura (Proc. IEEE, 2007)

Study on manipulation method of voice quality based on the vocal tract area function. - Yoshinori Uchimura; Hideki Banno; Fumitada Itakura; Hideki Kawahara (INTERSPEECH, 2008)

Multichannel Speech Enhancement Based on Generalized Gamma Prior Distribution with Its Online Adaptive Estimation. - Tran Huy Dat; Kazuya Takeda; Fumitada Itakura (IEICE Trans. Inf. Syst., 2008)

High quality voice manipulation method based on the vocal tract area function obtained from sub-band LSP of straight spectrum. - Ayanori Arakawa; Yoshinori Uchimura; Hideki Banno; Fumitada Itakura; Hideki Kawahara (ICASSP, 2010)