A new method to locate sound sources by searching the minimum value of error function. - Masato Abe; Yoshifumi Nagata; Ken'iti Kido (ICASSP, 1986)

Noisy spontaneous speech understanding using noise immunity keyword spotting with adaptive speech response cancellation. - Yoichi Takebayashi; Yoshifumi Nagata; Hiroshi Kanazawa (ICASSP (2), 1993)

A two-channel adaptive microphone array with target tracking. - Yoshifumi Nagata; Hiroyuki Tsuboi (EUROSPEECH, 1997)

Estimation of the waveform of a sound source by using an iterative technique with many sensors. - Masato Abe; Kiyohito Fujii; Yoshifumi Nagata; Toshio Sone; Ken'iti Kido (IEEE Trans. Speech Audio Process., 1998)

Speech enhancement based on auto gain control. - Yoshifumi Nagata; Toyota Fujioka; Masato Abe (IEEE Trans. Speech Audio Process., 2006)

Fast Implementation of KLT-Based Speech Enhancement Using Vector Quantization. - Yoshifumi Nagata; K. Mitsubori; T. Kagi; Toyota Fujioka; Masato Abe (IEEE Trans. Speech Audio Process., 2006)

Two-Dimensional DOA Estimation of Sound Sources Based on Weighted Wiener Gain Exploiting Two-Directional Microphones. - Yoshifumi Nagata; Toyota Fujioka; Masato Abe (IEEE Trans. Speech Audio Process., 2007)

Binaural Localization Based on Weighted Wiener Gain Improved by Incremental Source Attenuation. - Yoshifumi Nagata; Satoshi Iwasaki; Takahiko Hariyama; Toyota Fujioka; Tomita Obara; Takayuki Wakatake; Masato Abe (IEEE Trans. Speech Audio Process., 2009)

High-Precision Harmonic Distortion Level Measurement of a Loudspeaker Using Adaptive Filters in a Noisy Environment. - Toyota Fujioka; Yoshifumi Nagata; Masato Abe (IEEE ACM Trans. Audio Speech Lang. Process., 2015)