A method of measuring the Green's function in an enclosure.
The acoustic Green's function can be measured using a device with two matched microphones mounted in a tube driven by a loudspeaker combined with another microphone that represents the observation point. Good agreement is obtained between the measured and theoretical Green's function in a rectangular room below 320 Hz. At higher frequencies the agreement is less good because of the imperfect geometry of the room.
Acoustic Technology, Department of Electrical Engineering, Technical University of Denmark, Building 352, Orsteds Plads, DK-2800 Kgs. Lyngby, Denmark. yl@oersted.dtu.dk
Yu
Y
Luan
Finn
F
Jacobsen
D000162:Acoustics; D000669:Amplifiers, Electronic; D004867:Equipment Design; D011336:Probability; D013016:Sound