Recognition of three simultaneous utterance of speech by four-line directivity microphone mounted on head of robot. - Naoya Mochiki; Tetsunori Kobayashi; Toshiyuki Sekiya; Tetsuji Ogawa (INTERSPEECH, 2004)

Ears of the Robot: Three Simultaneous Speech Segregation and Recognition Using Robot-Mounted Microphones. - Naoya Mochiki; Tetsuji Ogawa; Tetsunori Kobayashi (IEICE Trans. Inf. Syst., 2007)

Ears of the Robot: Direction of Arrival Estimation Based on Pattern Recognition Using Robot-Mounted Microphones. - Naoya Mochiki; Tetsuji Ogawa; Tetsunori Kobayashi (IEICE Trans. Inf. Syst., 2008)