[Feature Article] Loudspeakers have remained relatively unchanged in their basic design for many decades, but recent approaches have begun to take advantage of the characteristics of multidriver arrays. In this article we will review AES 118th Convention papers that describe novel developments involving loudspeaker arrays, including digital transducer arrays, multi-actuator panels, and parametric array loudspeakers. The conventional moving-coil cone driver has held sway in the loudspeaker market for many years, but there is strong research activity in new areas where, for example, miniaturization, spatial control, or direct digital conversion is envisaged.
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