Headphones

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Headphones (also known as earphones, stereophones, headsets, or the slang term cans) are a pair of transducers that receive an electrical signal from a media player or receiver and use speakers placed in close proximity to the ears (hence the name earphone) to convert the signal into audible sound waves.

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They are normally detachable, using a jack plug. Typical products to which they are attached include the walkman, mobile phone, CD player, Minidisc player, digital audio player (MP3 player), and personal computer. Some headphone units are self-contained, incorporating a radio receiver. Other headphones are cordless, using radio (for example analogue FM, digital bluetooth, Wi-Fi) or infrared signals to communicate with a "base" unit.

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Headphones may be used to prevent other people from hearing the sound either for privacy or to prevent disturbance, as in listening in a public library. They are also used to exclude external sounds, particularly in sound recording studios and in noisy environments. Another advantage of headphones over conventional speakers is that the listener experiences total stereo-separation with no mixing of the left and right channels, helping them pinpoint the 'location' of sounds with much greater accuracy. This is of special relevance to videogames that use 3D positional audio, allowing players to better judge the position of an offscreen sound (such as the footsteps of an opponent).

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Headphones generally use a 3.5 mm "mini pin" jack.

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Transducer: A transducer is a device, usually electrical or electronic, that converts one type of energy to another. Most transducers are either sensors or actuators....

Speaker: The word speaker has a number of uses:...

Ear: : For an alternative meanings, see ear (disambiguation)....

Headphones related Images and Photos (experimental)

Headphones	Headphones	Wolverine Headphones	SleepPhones Headphones
DJ Headphones - Dark Blue	Hot Dog Headphones Ear Buds	Ramones DJ Headphones	Misfits DJ Headphones
Red Headphones in the Air ... like Music in the Air where is the DJ?	Urbanears High Fashion Headphones	Urbanears High Fashion Headphones	Star Wars Rebel Pilot Headphones