"For many, it refers to sound-based art work (or at least art work where the principal focus is on sound) across the broad gamut of performance, installation and broadcast contexts, which departs from both traditional musical instrumentation and notational methods and frequently employs electronic media. Others may see it as an intersecting space with roots in post-Cageian music practice, or indeed 'post-phonographic' music practice, and installation art."
Julian Knowles, QUT Portfolio Director and President of QMusic, in an article entitled Sound Practice, Sound Thesis in RealTime No. 68, August / September 2005.
Martin Kay (aka Mountain Black) is a Melbourne sound artist who uses field recordings and cross-synthesis techniques to construct hyper-real and abstract immersive soundscapes for live performance, compositions, installations & sound designs.