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2. 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 ...

3. In-flight entertainment - Wikipedia

   en.wikipedia.org/wiki/In-flight_entertainment

   In-flight entertainment. In-flight entertainment ( IFE) refers to entertainment and other value-added services available to aircraft passengers during a flight. Frequently managed by content service providers, the types of in-flight entertainment and their content varies significantly based on the airline, aircraft type, and geographic region.

4. 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 ...

5. Bluetooth - Wikipedia

   en.wikipedia.org/wiki/Bluetooth

   Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 metres (33 ft).

6. How noise cancelling headphones work - AOL

   www.aol.com/news/noise-cancelling-headphones...

   Active noise cancellation in earbuds can’t quite compare with in-ear models, but that won’t stop Bose from trying — and these QuietComfort earbuds do an astonishing job of implementing ANC ...

7. Mobile phones on aircraft - Wikipedia

   en.wikipedia.org/wiki/Mobile_phones_on_aircraft

   Mobile phones on aircraft. In the U.S., Federal Communications Commission (FCC) regulations prohibit the use of mobile phones aboard aircraft in flight. [1] Contrary to popular misconception, the Federal Aviation Administration (FAA) does not actually prohibit the use of personal electronic devices (including cell phones) on aircraft.