Yoshiko Kawabata   Toshihiko Matsuka   
2021 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2021 - Proceedings 380-385 2021年 [査読有り]
A back-channel is a short utterance made by non-primary speakers. In the Japanese language back-channel is called 'Aizuchi, ' Aizuchi has long been considered as a positive reaction to the primary speaker showing agreement or appraisal and or givi...