The spoken L1 corpus represents present-day spoken Chinese (Putonghua) used in mainland China, which is designed as a comparable corpus to the spoken L2 corpus. It comprises L1-L1 conversational interactions between L1 speakers of Chinese and a native Chinese speaker in informal settings. This corpus contains 228,306 words of transcribed interac…

The spoken L2 corpus represents present-day spoken Chinese (Putonghua) used in mainland China. It comprises L1-L2 conversational interactions between L2 speakers of Chinese and a native Chinese speaker in non-academic settings. This corpus contains 220,792 words of transcribed interaction gathered in 2018, featuring14 L2 speakers of Chinese in 3…