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)

The Wheelchair Motorcycle Association tests various motorized vehicles that might help the physically disabled child get about outdoors. Vehicles found to be practical for older children and adolescents include three-wheeled motorcycles and customized go-carts. An address for obtaining more information on the association is provided. (SW)

Presents criteria for evaluating a used piano which, complemented by a qualified piano technician's assessment and cost estimates for needed repairs, will allow a music director to decide whether it is more cost-effective to repair or discard the instrument. (Author/SJL)

Describes and evaluates the hardware, operation, peripheral devices, software, and performance capabilities of the Atari 400 microcomputer system. (JL)

Describes and evaluates the hardware, operation, peripheral devices, software, and performance capabilities of the Radio Shack Color Computer System. (JL)

Describes and evaluates the hardware, operation, software, and performance capabilities of the Sinclair ZX81 personal computer. Designed as a beginning computer for learning BASIC, this compact, inexpensive microcomputer also has prepackaged software for tax computation, personal finance, education, graphics, and arcade-style games. (JL)

Describes floppy disk information storage systems and discusses capabilities and advantages of floppy disks for microcomputer users. The functions of disk operating systems (DOS) are reviewed and the effect of DOS formats on the choice of an appropriate disk drive system is outlined. (JL)

Lists some criteria that should be considered before purchasing any computer-based training product or service. Points out some negative economic ramifications that result from not consulting this or a similar list of criteria. (CT)

Windows were an important factor in renovation plans for the Wyoming Valley West School District in Kingston (Pennsylvania). (Author/MLF)

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

Presents guidelines for utilization, evaluation, selection, and acquisition of CRT terminals for library technical processing systems. An evaluation of the institution's needs is followed by a description of a three-step process of assembling information from advertisements and literature, direct observation and use, and talking to other users of…

Examines the problems in selecting a microcomputer and offers some suggestions on equipment and on procedures to follow in making a decision. (IRT)

This paper describes the Vocal Demodulator as a new device for analysis of vocal tremor. The Vocal Demodulator produces amplitude-demodulated and frequency-demodulated outputs and measures the frequency and level of low-frequency tremor components in sustained phonation. The paper describes quantification of the demodulation process, validation…

A 2-microphone dereverberation technique was evaluated by obtaining speech recognition measures and preference judgments from 10 normal-hearing adults and 7 older adult hearing-impaired listeners. Both groups had higher scores at the shorter reverberation time than at the longer reverberation time. Hearing-impaired subjects performed significantly…