Two spaced loudspeakers suffice to create phantom sound sources in front of a listener

Evidence

The simplest such system is stereophonic reproduction, which uses two spaced loudspeakers to provide the illusion of sound sources in front of the listener. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2194

Categorization

• DEFINE: Defines stereophony in terms of its mechanism: two separated speakers producing a phantom center image.