L image acquisition and tracking subsystem: collect video signals of teachers and students, and realize tracking and shooting of teachers and students' behaviors.

L audio acquisition subsystem: collect audio signals of teachers and students.

L recording and broadcasting subsystem: collect, switch, encode, play and store the input teachers, students and VGA images.

Multimedia subsystem: related equipment that provides multimedia means for classroom teaching, such as multimedia platform, projection, electronic whiteboard, central control, digital booth, etc.

Acoustical lighting engineering: Good lighting and acoustic environment are needed for shooting and video recording. This part is a supporting decoration project, including wall sound absorption package, ceiling sound absorption ceiling, anti-static and anti-skid treatment of floor, sound insulation treatment of doors, shading treatment of windows and so on.

For more information, Baidu can search for "Dewei Software".