Design and Analysis of a Multi-purpose Acoustic Chamber |
Common terms and phrases
Acoustics Ambient noise Anechoic Sphere angle Attenuation average Block Diagram bolted calculated Calibration carriage Carriage Plane CHAPTER concrete condenser microphone constant constructed COST data points DATE DETAIL determined dimensions direction drive echoes effect electric emitted Engineering external feet field FIGURE four given horizontal plane inch inner shell inside laboratory larger Level Recorder Load located MARCH Material Mechanical method microphone MICROPHONE CARRIAGE Motor moved natural frequency Noise outer wall panels placed plane plywood position potentiometer pounds present pulley recorded reduce reflecting shell relative reverberation chamber Room rubber Servo System shear shock mounts shows Sound Absorbing sound chamber sound level sound pressure level space speaker square steel steel tubing STEP surface System TABLE taken test object tion Type UNIVERSITY OF WISCONSIN vertical vibration View volume wall waves wedges