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  2. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    The Headset Profile (HSP) connects headphones and earbuds to a cell phone or laptop. The Health Device Profile (HDP) can connect a cell phone to a digital thermometer or heart rate detector. The Video Distribution Profile (VDP) sends a video stream from a video camera to a TV screen or a recording device.

  3. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Raycon Inc. In November 2017, Ray J co-founded a direct-to-consumer electronics brand called Raycon. Raycon sells wireless audio products such as earbuds and headphones. Ray J oversees brand and strategy. Personal life. In August 2016, Ray J married Princess Love at Los Angeles' Cathedral of Saint Vibiana.

  4. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  5. 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 ...

  6. List of Bluetooth profiles - Wikipedia

    en.wikipedia.org/wiki/List_of_Bluetooth_profiles

    This is designed for cordless phones to work using Bluetooth. It is hoped that mobile phones could use a Bluetooth CTP gateway connected to a landline when within the home, and the mobile phone network when out of range. It is central to the Bluetooth SIG's "3-in-1 phone" use case. Device ID Profile (DIP)

  7. Bluetooth stack - Wikipedia

    en.wikipedia.org/wiki/Bluetooth_stack

    Symbian OS was an operating system for mobile phones, which includes a Bluetooth stack. All phones based on Nokia's S60 platform and UIQ Technology's UIQ platform use this stack. The Symbian Bluetooth stack runs in user space rather than kernel space, and has public APIs for L2CAP, RFCOMM, SDP, AVRCP, etc. Profiles supported in the OS include ...

  8. Nokia N91 - Wikipedia

    en.wikipedia.org/wiki/Nokia_N91

    This profile enabled wireless music playback over Bluetooth, in full stereo (2 different channels, L+R). Compatible Bluetooth headsets were already available in the market by then. N91 8GB had a distinct Black color, that added to its face value. Once again breaking a record: it was the first phone with an 8GB hard disk.

  9. Head-related transfer function - Wikipedia

    en.wikipedia.org/wiki/Head-related_transfer_function

    HRTF filtering effect. A head-related transfer function ( HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived ...