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  2. 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 ...

  3. Sound level meter - Wikipedia

    en.wikipedia.org/wiki/Sound_level_meter

    A sound level meter (also called sound pressure level meter ( SPL )) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1] The diaphragm of the microphone responds to ...

  4. Audio time stretching and pitch scaling - Wikipedia

    en.wikipedia.org/wiki/Audio_time_stretching_and...

    Time stretching is the process of changing the speed or duration of an audio signal without affecting its pitch. Pitch scaling is the opposite: the process of changing the pitch without affecting the speed. Pitch shift is pitch scaling implemented in an effects unit and intended for live performance. Pitch control is a simpler process which ...

  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. AOL Mail

    mail.aol.com

    Absolutely! It's quick and easy to sign up for a free AOL account. With your AOL account you get features like AOL Mail, news, and weather for free!

  7. No swabs: This is the safe way to clean your ears - AOL

    www.aol.com/news/safely-clean-ears-according...

    Eosera Ear Wax MD Kit $ at Walgreens. These ear drops contain glycolic acid and sodium bicarbonate to soften and break down ear wax gently. To use, place a few drops in your ear, wait 15 minutes ...

  8. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    On November 2, 2009, the show's second season premiered. In 2010, Norwood and his sister Brandy Norwood premiered the VH1 reality series Brandy & Ray J: A Family Business along with their parents. The show debuted in April 2010 and chronicled the backstage happenings of both siblings, while taking a bigger role in their family's management and ...

  9. Speed 2: Cruise Control - Wikipedia

    en.wikipedia.org/wiki/Speed_2:_Cruise_Control

    Speed 2: Cruise Control is a 1997 American action thriller film produced and directed by Jan de Bont, and written by Randall McCormick and Jeff Nathanson.The sequel to Speed (1994), it tells the story of Annie Porter (Sandra Bullock, reprising her role from the original) and Alex Shaw (Jason Patric), a couple who go on vacation to the Caribbean aboard a luxury cruise ship, which is hijacked by ...