Chapter 1

Perception of Spatial Sound

Elizabeth M. Wenzel, Durand R. Begault, and Martine Godfroy-Cooper

Immersion refers acoustically to sounds as coming from all directions around a listener, which normally is an inevitable consequence of natural human listening in an air medium. Audible sound sources are everywhere in real environments where sound waves propagate and reflect from surfaces around a listener. Even in the quietest of environments, such as an anechoic chamber, the sounds of one’s own body will be audible. However, the common meaning of immersion in audio and acoustics refers to the psychological sensation of being surrounded by specific sound sources as well as ambient sound. Although acoustically a sound can reach a listener ...

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