Classroom toolkit

Sound & Noise Tools

Noise meters, sound boards, and traffic-light indicators for classroom volume.

Noise Meter

Mic-based volume bar with threshold alert when the class gets too loud.

Applause Meter

Loudest group wins — persistent bar per team for cheer-offs.

Traffic Light

Green, yellow, red noise indicator for classroom volume.

Sound Board

Browser-generated bell, drum roll, attention, and celebration cues.