It works like a wall surrounding a closed system - fencing in, fencing out.
Sculptors create or assemble objects which are displayed, usually in galleries or museums.
A sound artist, then, is an artist whose materials include physical media, sound, and environments. A sound artist creates all of these, not taking any of them for granted. The concerns of the sound artist differ from those of the composer, performer, sculptor or painter. This paper is a discussion of these concerns, and a survey of some sound artists' works responding to those concerns through their use of technology. Artists have unique ways of creating, of interacting with their chosen materials in the creative process.