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  2. 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 ...

  3. Phone connector (audio) - Wikipedia

    en.wikipedia.org/wiki/Phone_connector_(audio)

    Phone connector (audio) Phone plug mated in a phone socket. The plug's grooved tip is held firmly by the socket's spring tip contact. When not mated, this spring instead connects to the flat switch contact for detecting a plug. A phone connector is a family of cylindrically -shaped electrical connectors primarily for analog audio signals.

  4. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    Headsets are available in single-earpiece and double-earpiece designs. Double-earpiece headsets may support stereo sound or use the same monaural audio channel for both ears. Single-earpiece headsets free up one ear, allowing better awareness of surroundings. Telephone headsets are monaural, even for double-earpiece designs, because telephone ...

  5. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    Bluetooth HID is a lightweight wrapper of the human interface device protocol defined for USB. The use of the HID protocol simplifies host implementation (when supported by host operating systems) by re-use of some of the existing support for USB HID in order to support also Bluetooth HID. Keyboard and keypads must be secure.

  6. 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 ...

  7. List of Logitech products - Wikipedia

    en.wikipedia.org/wiki/List_of_Logitech_products

    Logitech Options+[ 4 ] Compatible: Windows 10 or later, macOS 10.15 or later. [ 5 ] Logitech Gaming Software Compatible: Windows 7 or later, macOS 10.8-10.15. [ 6 ] Logitech G Hub Compatible: Windows 7 or later, macOS 10.13 or later. [ 7 ] Logi AI Prompt Builder Compatible: Windows 10 or later, macOS 12 or later.

  8. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    Surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels). Its first application was in movie theaters. Prior to surround sound, theater sound systems commonly had three screen channels of sound that ...

  9. Plantronics - Wikipedia

    en.wikipedia.org/wiki/Plantronics

    Neil Armstrong with Plantronics headset. Together, SPENCOMM and NASA spent only 11 days to create a working microphone design for space communications and Schirra was the first to use the new communication technology during the Mercury-Atlas 8 mission. [7]