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2. White noise machine - Wikipedia

   en.wikipedia.org/wiki/White_noise_machine

   A clock radio that includes a white noise machine. A white noise machine is a device that produces a noise that calms the listener, which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink ...

3. Tinnitus masker - Wikipedia

   en.wikipedia.org/wiki/Tinnitus_masker

   Tinnitus masker. Tinnitus maskers are a range of devices based on simple white noise machines used to add natural or artificial sound into a tinnitus sufferer's environment in order to mask or cover up the ringing. [ 1] The noise is supplied by a sound generator, which may reside in or above the ear or be placed on a table or elsewhere in the ...

4. Sound masking - Wikipedia

   en.wikipedia.org/wiki/Sound_masking

   Sound masking is the inclusion of generated sound (commonly, though inaccurately, referred to as "white noise" or "pink noise") into an environment to mask unwanted sound. It relies on auditory masking. Sound masking is not a form of active noise control (noise cancellation technique); however, it can reduce or eliminate the perception of sound.

5. The 8 best OTC hearing aids for seniors, according to ... - AOL

   www.aol.com/lifestyle/best-otc-hearing-aids...

   Best sound quality. $1,098 at Amazon. Audien ATOM PRO 2. Best ease of use. $289 at Amazon. See 3 more. While there is no way to reverse hearing loss, hearing aids can still enhance our everyday ...

6. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...

7. Delayed auditory feedback - Wikipedia

   en.wikipedia.org/wiki/Delayed_Auditory_Feedback

   Delayed auditory feedback. Delayed Auditory Feedback ( DAF ), also called delayed sidetone, is a type of altered auditory feedback that consists of extending the time between speech and auditory perception. [1] It can consist of a device that enables a user to speak into a microphone and then hear their voice in headphones a fraction of a ...