Like the hard wire system, a variety of audio inputs can be used with the loop; however, this system has a more restricted frequency ... learning area or as a completely wireless system comprised of a microphone-transmitter worn by the teacher and an FM receiver (hearing aid) worn by the student. ... Schematic diagram of FM transmission system feeding to a personal hearing aid (A) or headphones (B).
|Title||:||Audiology, Education, and the Hearing Impaired Child|
|Author||:||Fred H. Bess, Freeman McConnell|
|Publisher||:||Mosby Incorporated - 1981-01-01|