A Single-Chip Speech Dialogue Module and Its Evaluation on a Personal Robot, PaPeRo-Mini

作者：Sato Miki^*; Iwasawa Toru; Sugiyama Akihiko; Nishizawa Toshihiro; Takano Yosuke

来源：IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, 2010, E93A(1): 261-271.

DOI：10.1587/transfun.E93.A.261

• speech recognition
• DOA estimation
• noise cancellation
• microphone array
• echo cancellation
• speech dialogue module

This paper presents a single-chip speech dialogue module and its evaluation on a personal robot. This module is implemented on an application processor that was developed primarily for mobile phones to provide a compact size, low power-consumption, and low cost. It performs speech recognition with preprocessing functions such as direction-of-arrival (DOA) estimation, noise cancellation, beamforming with an array of microphones, and echo cancellation. Text-to-speech (TTS) conversion is also equipped with. Evaluation results obtained on a new personal robot, PaPeRo-mini, which is a scale-down version of PaPeRo, demonstrate an 85% correct rate in DOA estimation, and as much as 54% and 30% higher speech recognition rates in noisy environments and during robot utterances, respectively. These results are shown to be comparable to those obtained by PaPeRo.

• 出版日期2010-1