Experience High quality audio communication with PeopleLink voice collaboration DSP, convert your Classrooms, Training Rooms, Boardrooms with the ease of technology for conferencing. DSP-CM is integrated with high signal-to-noise ratio, adaptive echo cancellation, adaptive noise suppression and function of intelligent sound mixing. Celing microphone is designed to cover meeting spaces, such as training rooms, classrooms, demo rooms, with discreet and easy ceiling mounting.