Due to technical improvements, Super 8 equipment with sound capacity is now able to produce good quality instructional films. (STS)

A two-microphone adaptive digital noise cancellation technique improved word-recognition ability for 20 normal and 12 hearing-impaired adults by reducing multitalker speech babble and speech spectrum noise 18-22 dB. Word recognition improvements averaged 37-50 percent for normal and 27-40 percent for hearing-impaired subjects. Improvement was best…

Looks at proposed standard for CD-I (compact disc-interactive) and its implications for product and market development, CD-ROM, and optical publishing. Possible roles of OS-9 (Microware's operating system), Polaroid's Colorcatcher, and products shown at the Microsoft CD-ROM conference in the development of the CD-I market are discussed. (Author)

The auditory output of the "Sonicguide" (Ultrasonic Spectacles) must be delivered to the ear of the blind person via a coupling tube. (Author/DB)

The random-access record listening system installed at the Radford College Library has provided a much needed and highly advanced type of service to the faculty and students. (Author)

Problems encountered in setting-up a cassette center at the Valhalla, Junior-Senior High School are discussed and a bibliography of available cassettes is included. (95 references) (NH)

Described and discussed is a teaching aid for use in small group communication which enalbes the instructor to provide a student with immediate feedback without interrupting the discussion in progress. (LS)

Gives suggestions for using audiovisual aids at conferences where the conditions are apt to be less than ideal. Discusses lighting, sound, overhead projectors, slides, boards and flipcharts. (JOW)

Laboratory practice requires preparation in class and adequate follow-up. Like the library, it does not replace the teacher but is an auxiliary to teaching. The laboratory is not a panacea, but a place for continued experimentation and innovation in teaching methods. Variety in instruction is required. (PJM)

Presents the technical details of the hardware and software used with two kinds of computers, the Radio Shack TRS-80 and the Apple II, in developing personalized computer-assisted instruction with the addition of the instructor's voice interfaced with the computer. Programing controls for this interface are listed. (RAO)