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2. Audiometer - Wikipedia

   en.wikipedia.org/wiki/Audiometer

   An audiometer is a machine used for evaluating hearing acuity. They usually consist of an embedded hardware unit connected to a pair of headphones and a test subject feedback button, sometimes controlled by a standard PC. Such systems can also be used with bone vibrators to test conductive hearing mechanisms.

3. Audio induction loop - Wikipedia

   en.wikipedia.org/wiki/Audio_induction_loop

   A hearing loop consists of one or more physical loops of cable which are placed around a designated area, usually a room or a building. The cable generates an electromagnetic field throughout the looped space which can be picked up by a telecoil-equipped hearing aid, a cochlear implant (CI) processor, or a specialized hand-held hearing loop receiver for individuals without telecoil-compatible ...

4. Assistive listening device - Wikipedia

   en.wikipedia.org/wiki/Assistive_Listening_Device

   Hearing aids are able to amplify and process these sounds, and improve the speech to noise ratio. However, if the sound is too distorted by the time it reaches the listener, even the best hearing aids will struggle to unscramble the signal. Assistive listening devices offer a more adaptive alternative to hearing aids, but can be more complex ...

5. Studio monitor - Wikipedia

   en.wikipedia.org/wiki/Studio_monitor

   Amplification: Studio monitors may be "active" (including one or more internal power amplifier(s)), or passive (requiring an external power amplifier). Active models are usually bi-amplified , which means that the input sound signal is divided into two parts by an active crossover for low and high frequency components.

6. PSAPs versus Hearing Aids: What is the Difference? - AOL

   www.aol.com/psaps-versus-hearing-aids-difference...

   For example, a person with high-frequency hearing loss will need less volume in the low frequencies but more in the high frequencies. A hearing aid can adjust for mild to severe or even profound ...

7. Electronic fluency device - Wikipedia

   en.wikipedia.org/wiki/Electronic_fluency_device

   Pitch-shifting frequency-altered auditory feedback (FAF) changes the pitch at which the user hears his or her voice. Varying pitch from quarter, half or full octave shift typically results in 55–74% decreases stuttering in short reading tasks.