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2. Assistive listening device - Wikipedia

   en.wikipedia.org/wiki/Assistive_Listening_Device

   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.

3. Assistive Technology for Deaf and Hard of Hearing - Wikipedia

   en.wikipedia.org/wiki/Assistive_Technology_for...

   Assistive Technology for Deaf and Hard of Hearing. Assistive Technology for the Deaf and Hard of Hearing is technology built to assist those who are deaf or suffer from hearing loss. Examples of such technology include hearing aids, video relay services, tactile devices, alerting devices and technology for supporting communication.

4. We tested Zepp Clarity hearing aids and here's ... - AOL

   www.aol.com/lifestyle/zepp-clarity-hearing-aids...

   Zepp Clarity Pixie. Key features: — Sleek, in-the-canal design. — Bluetooth connectivity and smartphone app control. — Phone notifications come directly to your hearing aids ...

5. Bone conduction - Wikipedia

   en.wikipedia.org/wiki/Bone_conduction

   Specialized communication products (e.g. for underwater or high-noise environments) One example of a specialized communication product is a bone conduction speaker that is used by scuba divers . The device is a rubber over-moulded, piezoelectric flexing disc that is approximately 40 millimetres (1.6 in) across and 6 millimetres (0.24 in) thick.

6. History of hearing aids - Wikipedia

   en.wikipedia.org/wiki/History_of_hearing_aids

   The first hearing aid was created in the 17th century. The movement toward modern hearing aids began with the creation of the telephone, and the first electric hearing aid was created in 1898. By the late 20th century, the digital hearing aid was distributed to the public commercially. Some of the first hearing aids were external hearing aids.

7. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby ...

8. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

9. Wireless microphone - Wikipedia

   en.wikipedia.org/wiki/Wireless_microphone

   A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone , it has a small, battery-powered radio transmitter in the microphone body, which transmits the audio signal from the ...