Patent ID: 8345883

Claim:
An audio playback apparatus comprising: at least one line array speaker unit having a plurality of speakers arrayed in line; an input device that inputs an audio signal; a beam control device that: receives at least a first audio signal of a single source or channel among the audio signal input by the input device; and based on the first audio signal, produces and supplies a plurality of first audio signals, each with a prescribed delay time, to each of the plurality of speakers to produce a plurality of sound beams directed to a plurality of different prescribed locations along a plurality of walls to reflect the plurality of sound beams off the different prescribed wall locations of the plurality of walls to form a plurality of virtual sound sources located at the different prescribed wall locations along the plurality of walls; and a localization control device that controls the beam control device to change emission directions and intensities of the respective sound beams to localize a phantom, which is located between the virtual sound sources.