This research describes a method to auralize the effect of a three-dimensional directional pattern of an acoustic source in a reverberant environment using real acoustic measurements of laser sparks. Laser-induced breakdown (LIB) produces a massless and point-like acoustic source. The authors demonstrate the performance of a volumetric array of LIBs for synthesizing arbitrary radiation patterns, auralize the radiation pattern of a loudspeaker and compare the measured and synthesized impulse responses in a reverberant room, and evaluate the method using listening tests. The synthesized room response matched the target response both in room response reconstruction and in listening tests. The proposed method requires no previous knowledge about the room characteristics; auralization is performed by convolving a sound signal with the synthesized room impulse responses using the cloud of laser sparks. The quality of the synthesized version was rated to be excellent.
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