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  2. Equal-loudness contour - Wikipedia

    en.wikipedia.org/wiki/Equal-loudness_contour

    An equal-loudness contour is a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. [1] The unit of measurement for loudness levels is the phon and is arrived at by reference to equal-loudness contours. By definition, two sine waves of differing ...

  3. Not sure whether to let your dog on the couch or not? Here’s ...

    www.aol.com/not-sure-whether-let-dog-110000130.html

    Obviously it’s personal preference, but if you’d rather your dog not be on the sofa, make sure you: -Give plenty of comfy alternatives. -Build value and reward heavily when in their bed ...

  4. Three days after the shooting, Trump reveals little about his ...

    www.aol.com/news/three-days-shooting-trump...

    Three days since a Pennsylvania shooter opened fire at a campaign rally and wounded Trump's ear, the former president and his campaign have revealed next to nothing about his condition.

  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. Crew Return Vehicle - Wikipedia

    en.wikipedia.org/wiki/Crew_Return_Vehicle

    The Crew Return Vehicle ( CRV ), sometimes referred to as the Assured Crew Return Vehicle ( ACRV ), was a proposed dedicated lifeboat or escape module for the International Space Station (ISS). A number of different vehicles and designs were considered over two decades – with several flying as developmental test prototypes – but none became ...

  7. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Sanctuary. Atlantic. Elektra. EastWest. Musical artist. 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.

  8. Passengers are pretending to be disabled to get fast-tracked ...

    www.aol.com/finance/passengers-pretending...

    Biffle said ahead of one Frontier flight, he saw 20 passengers board the aircraft with a wheelchair, while only three deboarded using the same accessibility service.

  9. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...