States the position of the Air-Conditioning and Refrigeration Institute (ARI) toward ANSI Standard 12.60, which addresses classroom acoustics. Explains why it believes the standard creates an overly stringent requirement. (EV)

Reviews research on uses of computer sound and suggests how sound might be used effectively by instructional and interface designers. Topics include principles of interface design; the perception of sound; earcons, both symbolic and iconic; sound in data analysis; sound in virtual environments; and guidelines for using sound. (70 references) (LRW)

This draft standard developed by the Classroom Acoustics Working Group provides acoustical performance criteria and accompanying design guidelines intended to ensure good speech communication among students and teachers in learning spaces. To ensure the noise limits are not exceeded, adequate sound isolation between classrooms and adjacent spaces…