A generalized conceptual dynamic model of man-machine interactions with its symbolic description is proposed. The model is intended to represent the man-machine interactive behaviors of interactive adaptive logic systems. (Author)

Students broadcast fun and learning from their own radio station. (Editor)

Describes lighting and sound recording equipment useful for supplementing the small system videotape recording format. (KS)

What to consider when selecting and buying audiovisual equipment and materials, what to expect from dealers, how to negotiate prices and services, and what special services are available. (LS)

The Improving Classroom Acoustics (ICA) special project was designed to determine if students' listening and learning behaviors improved as a result of an acoustical environment enhanced through the use of FM sound field classroom amplification. The 3-year project involved 2,054 students in 94 general education kindergarten, first-, and…

Enumerates criteria for the selection of audio system speaker equipment for archivists interested in achieving sound reproduction fidelity, noting frequency response, flat response, intermodulation distortion, arrival time, and placement of equipment. Illustrative materials and three references are provided. (EJS)

Briefly discusses the potential of radio theater for high school drama. Sketches a modest equipment layout that will provide students with the fundamental combination of hardware and wires to produce audio drama. (PD)

Describes new audio alarm systems, their installation requirements, and advantages. (MLF)

Presents a music educator's guide to selecting audio equipment. Tells what to look for when choosing speakers, amplifiers, cartridges, turntables, and tapedecks. Charts are used as guides for price ranges and a glossary of terms that will be encountered in audio showrooms. (Editor/RK)

Stanford University (California) and the Yamaha Corporation have agreed to pool over 400 patents and patent applications, most involving sound synthesis, and to license them as a package along with rights to the trademark, and share the royalties. The deal builds on a 23-year relationship between Stanford and Yamaha, one which is both fruitful and…

Notes that fewer than 10% of American high schools offer radio production opportunities. Describes several high school radio stations. Discusses Radio as a major, how the stations raise grant money, and the special status for low-power radio stations. Includes a sidebar by Amy Medlock concerning procedures for radio stations. (RS)