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  2. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Website. rayj .com. William Ray Norwood Jr. (born January 17, 1981), [ 1 ] known professionally as Ray J, is an American R&B singer, songwriter, television presenter, and actor. Born in McComb, Mississippi and raised in Carson, California, he is the younger brother of singer and actress Brandy. [ 3 ]

  3. 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 ...

  4. Wireless microphone - Wikipedia

    en.wikipedia.org/wiki/Wireless_microphone

    Singer Cody Simpson using a wireless microphone headset in a 2013 concert in Montreal. A wireless microphone, or cordless microphone, is a microphone without a physical cable connecting it directly to the sound recording or amplifying equipment with which it is associated. Also known as a radio microphone, it has a small, battery-powered radio ...

  5. 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 ...

  6. Tetrad of media effects - Wikipedia

    en.wikipedia.org/wiki/Tetrad_of_media_effects

    A blank tetrad diagram. Marshall McLuhan's tetrad of media effects [1] uses a tetrad - a four-part construct - to examine the effects on society of any technology/medium (that is, a means of explaining the social processes underlying the adoption of a technology/medium) by dividing its effects into four categories and displaying them simultaneously.

  7. N2 chart - Wikipedia

    en.wikipedia.org/wiki/N2_Chart

    The N2 chart or N2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a matrix, representing functional or physical interfaces between system elements. It is used to systematically identify, define, tabulate, design, and analyze functional and physical interfaces. It applies to system interfaces and hardware and ...

  8. Samsung Galaxy - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy

    The Galaxy Tab S9, S9+ & S9 Ultra are the latest devices, released in July 2023. The Galaxy Tab Active is a line of mid-range rugged tablets, with a focus on durability and use in extreme environments. The Galaxy Tab Active 5 is the latest 8" model, released in January 2024. The Galaxy Tab A is a line of low-end tablets.

  9. CE marking - Wikipedia

    en.wikipedia.org/wiki/CE_marking

    The underlying principles are explained in the Commission's "Blue Guide". [3] Responsibility for CE marking lies with whoever puts the product on the market in the EU, i.e. an EU-based manufacturer, the importer or distributor of a product made outside the EU, or an EU-based office of a non-EU manufacturer.