Barbour Applying Aural Research, 1 Applying Aural Research: the aesthetics of 5.1 surround Jim Barbour School of Social and Behavioural Sciences, Swinburne University email:
[email protected] art to illustrate some of the aural possibilities. Despite Abstract significant limitations inherent in the 5.1 surround Multi-channel surround sound audio offers a richer sound specification, it is the position of this paper that perceptual experience than traditional stereo it represents an opportunity to deliver an exciting and reproduction, recreating three-dimensional aural immersive aural experience to a consumer today. soundfields. Understanding the limitations of human auditory perception and surround sound technology 2 Consumer Surround may assist the exploration of acoustic space as an For many decades, it has been a goal of many expressive dimension. audio practitioners to deliver the immersive, three- dimensional soundfield of the real world, or of their 1 Introduction creative imagination, to listeners in their home Research and development into new digital audio environment. software and hardware has resulted in multi-channel digital audio recording technology that allows the 2.1 Quad: 1970s creation of immersive aural environments reproduced The development of multi-track tape recorders in by multiple loudspeakers arranged around and above the 1970’s led to successful experiments with four the listening position. The audio delivery platform channel quadraphonic recording, which succeeded in offered by the Digital Versatile Disc has provided the capturing and reproducing a high quality three- facility for musicians, composers and sound designers dimensional soundfield in a controlled studio to produce three-dimensional audio works in studio environment.