A method of measuring the Green's function in an enclosure |
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Authors: | Luan Yu Jacobsen Finn |
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Institution: | Acoustic Technology, Department of Electrical Engineering, Technical University of Denmark, Building 352, Orsteds Plads, DK-2800 Kgs. Lyngby, Denmark. yl@oersted.dtu.dk |
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Abstract: | 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. |
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