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  2. 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.

  3. We test Lincoln's 20-speaker Revel Ultima stereo with a rock ...

    www.autoblog.com/2016/08/26/lincoln-mkz-revel...

    If there's two things Detroiters know, it's music and cars. So when Lincoln approached us with big claims about their latest stereo system, the Revel Ultima System, we sought out a veteran of the ...

  4. Latency (audio) - Wikipedia

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

    Latency refers to a short period of delay (usually measured in milliseconds) between when an audio signal enters a system, and when it emerges. Potential contributors to latency in an audio system include analog-to-digital conversion, buffering, digital signal processing, transmission time, digital-to-analog conversion, and the speed of sound ...

  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. How to choose a car audio system - Autoblog

    www.autoblog.com/article/car-audio-guide

    On the other hand, if you want the best possible sound, test a system using high-resolution streams such as Tidal, lossless FLAC files that some automaker audio systems support via USB, or a CD ...

  7. Orange vs green: coolant basics you need to know - Autoblog

    www.autoblog.com/2009/12/28/coolant-color

    Watch for signs of oil or rust. The color of healthy engine coolant is green (for ethylene glycol) or orange (for Dexcool). A rusty color indicates that the rust inhibitor in the coolant has ...

  8. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

  9. Audio over Ethernet - Wikipedia

    en.wikipedia.org/wiki/Audio_over_Ethernet

    In audio and broadcast engineering, audio over Ethernet ( AoE) is the use of an Ethernet -based network to distribute real-time digital audio. AoE replaces bulky snake cables or audio-specific installed low-voltage wiring with standard network structured cabling in a facility. AoE provides a reliable backbone for any audio application, such as ...