anechoic chamber
a large, enclosed room acoustic foam or other soundproofing material on the walls no reflective surfaces a door to enter and exit the chamber a vent or window to allow air circulation microphones and speakers to allow sound to enter and exit the chamber a control panel to monitor and adjust the sound levels inside the chamber
anechoic chamber which is a large, enclosed room anechoic chamber which is acoustic foam or other soundproofing material on the walls anechoic chamber which has no reflective surfaces anechoic chamber which is a door to enter and exit the chamber anechoic chamber which is a vent or window to allow air circulation anechoic chamber which has microphones and speakers to allow sound to enter and exit the chamber anechoic chamber which is a control panel to monitor and adjust the sound levels inside the chamber