7th International Conference on Spoken Language Processing

September 16-20, 2002
Denver, Colorado, USA

Control System for Talking Robot to Replicate Articulatory Movement of Natural Speech

Takemi Mochida (1), Masaaki Honda (1), Kouki Hayashi (2), Toshiharu Kuwae (2), Kunihiro Tanahashi (2), Kazufumi Nishikawa (2), Atsuo Takanishi (2)

(1) NTT Corporation, Japan; (2) Waseda University, Japan

The ultimate goal of our study is to create a new speech production system, in which an anthropomorphic hardware talking robot is handled so as to imitate human articulatory movement. We have developed a software motion simulator, which generates control parameter sequences for the talking robot Waseda Talker No. 2 (WT- 2) using the trajectories of human articulatory organs during continuous utterances measured by an electromagnetic articulograph. This paper mainly describes the motion simulator. In addition to its main function as a generator of control parameters for WT-2, the motion simulator also simulates the resultant acoustic characteristics related to WT-2ís vocal tract shape at each instance during the motion. The hardware structure of WT-2 is also described briefly. This comprehensive approach will enable us to study speech production using the features of the vocal tract shape as speech motor tasks, instead of using acoustic features.

Full Paper

Bibliographic reference.  Mochida, Takemi / Honda, Masaaki / Hayashi, Kouki / Kuwae, Toshiharu / Tanahashi, Kunihiro / Nishikawa, Kazufumi / Takanishi, Atsuo (2002): "Control system for talking robot to replicate articulatory movement of natural speech", In ICSLP-2002, 1533-1536.