Loudspeaker arrays can create private sound zones within one large listening area.

Evidence

One way of reducing the effect of spatial aliasing is to use directive loudspeakers instead of point sources as the array elements. If one uses directive sources, their polar patterns will act as a form of spatial filter. That is, the off-axis side lobes will be reduced by the off-axis reduction in sound level that a directive source affords. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2907 (#expands, via linked claim)

Categorization

• XREF: connects to: Constant Beamwidth Transducer loudspeakers produce astonishingly uniform sound level across listening distance.; Directive loudspeaker elements act as spatial filters reducing array side lobes — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2907

Broader Connections

• Directive loudspeaker elements act as spatial filters reducing array side lobes #expands (0.85) — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2907