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2. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio.

3. List of discontinued Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_discontinued_Bose...

   This includes continuing research and development on our most popular products such as headphones, speakers, soundbars, and car audio, as well as on our critical technologies such as noise cancellation, hearing augmentation and astounding audio experiences.

4. List of Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_headphones

   Development of the company's noise cancelling headphones (and first over-ear headphones) began in 1978 when the chairman, Amar Bose, tried a set of airline-supplied headphones during a flight and found that engine noise from the aircraft prevented the music from being enjoyed. [2] In 1986, Bose and Sennheiser both presented active noise cancelling headsets for aircraft pilots, with the ...

5. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

6. Audio headset - Wikipedia

   en.wikipedia.org/wiki/Audio_headset

   Audio headset. A typical call center/office headset. A headset is a combination of headphone and microphone. Headsets connect over a telephone or to a computer, allowing the user to speak and listen while keeping both hands free.

7. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Several commercial applications have been successful: noise-cancelling headphones, active mufflers, anti- snoring devices, vocal or center channel extraction for karaoke machines, and the control of noise in air conditioning ducts.