Sound masking by a low-pitch speech-shaped noise improves a social robot's talk in noisy environments. - Pourfannan, Hamed; Mahzoon, Hamed; Yoshikawa, Yuichiro; Ishiguro, Hiroshi (Frontiers Robotics AI, 2023)

Expansion in speech time can restore comprehension in a simultaneously speaking bilingual robot. - Pourfannan, Hamed; Mahzoon, Hamed; Yoshikawa, Yuichiro; Ishiguro, Hiroshi (Frontiers Robotics AI, 2022)