Total 4800 videos Two scenarios per person: First, reading section: two cameras, four positions 1. Low-speed driving on urban roads 2. High-speed driving on urban roads 3. Highway driving 4. Parking There are 8 videos, each about 90 seconds. Second, natural conversation: one camera, four positions 1. Low-speed driving on urban roads 2. High-speed driving on urban roads 3. Highway driving 4. Parking There are 8 videos, each about 30 seconds. Total 16 videos per person (per ID)