The whole system includes control room and separate classrooms. Control room is for monitoring and recording signals from each classroom, and transfer the sound data to each classroom. Classrooms is mainly reinforce the teacher's voice and other signals transferred from control room.

Collect sound data from each Mic position in the classroom, such as blackboard area, rostrum area, aisle area, identify each person's position through the intelligent mixer of CNP888, then automatically adjust each input channel's percentage by each Mic's volume. Voice data's voltage level makes the voice output volume level. There for to make the voice signal clear and automatically block the ambient noise.

The settings can be adjusted through in-wall control penel in each classroom.

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