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A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...
The Thing (listening device) The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman, the United States Ambassador to the Soviet Union, on August 4, 1945.
The assistive listening device usually uses a microphone to capture an audio source near its origin and broadcast it wirelessly through means of frequency modulation (FM), infrared (IR), an audio induction loop, or another method. The person who is listening may use a wireless Receiver to tune into the signal and listen at their preferred volume.
This report examines the use of auditory assistive listening devices by students who are hard of hearing or deaf in the postsecondary educational setting. Individual sections address the following topics: (1) distinctions between hearing aids and assistive listening devices; (2) assistive listening devices and the college student; (3) types of ...
ders ) to students who have a profound hearing loss. ALDs can be beneficial when listening to audio and. audiovisual equipment, e.g.,VCRs, tape recorders, and stereos. Strategies for Using Assistive Listening Devices. Assistive listening devices will provide maximum benefit when used appropriately. Here are helpful tips for using assistive ...
Speech-Language-Hearing Association or the U.S. Department of Education. Technology in the Classroom: Applications and Strategies for the Education of Children with Severe Disabilities, Listening and Hearing Supplement is published by the American Speech-Language-Hearing Association. Order forms may be obtained by calling or writing to:
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