Exam 4: Listening Devices and Related Technology

Match the following definition with their hearing aid terms : -the difference in the sound pressure level of a noise measured at two different locations

________ automatically switch between an omnidirectional and directional mode, according to environmental conditions.

What is a method of limiting hearing aid output in which a constant, or linear, amount of gain is provided across a range of input levels until it reaches a saturation level?

List the six types of hearing aid styles.

Identify and describe two advantages to binaural amplification.

What delivers sound from the receiver to the ear and helps hold the hearing aid in place?

Maximum power output is the point at which an amplifier no longer provides an increase in output compared to input.

What are two of the primary objectives for providing an individual with a listening device?

Detail what should be included in a hearing aid orientation.

An OSPL90 curve is obtained by measuring the hearing aid's output in a __________.

Which device is used with a behind-the-ear hearing aid for coupling to a direct audio input cord?

The microphone of a hearing aid converts the electric signal into an acoustic signal.

Match the following definition with their hearing aid terms : -several parameters of the hearing aid such as gain are controlled by the computer

What is the gain of the following hearing aid?

Mary currently wears two hearing aids but is having difficulty at work, on the telephone, and in all noisy social situations. She has a severe-to-profound bilateral hearing loss. She has recently stopped going to the movies with her friends because of her hearing problems. Based on Mary's situation, what recommendations would you have for her?

Cost and user preference should be considered when recommending a hearing aid.

List three advantages of CIC hearing aids.

The _________ of a cochlear implant is a small wire, inserted into the cochlea, usually through the round window.

________ is a series of steps to follow when a hearing aid will not turn on, if the sound is faint or distorted, or there is feedback. The objective is to determine the problem.

A Bilateral Contralateral Routing of the Signal (BICROS) fitting is appropriate when both ears have symmetrical hearing loss.