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  2. Safe listening - Wikipedia

    en.wikipedia.org/wiki/Safe_listening

    Safe listening. Man listening through headphones. Safe listening is a framework for health promotion actions to ensure that sound-related recreational activities (such as concerts, nightclubs, and listening to music, broadcasts, or podcasts) do not pose a risk to hearing. [1]

  3. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    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 personality, and actor. Born in McComb, Mississippi, and raised in Carson, California, he is the younger brother of singer and actress Brandy Norwood.

  4. 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 ...

  5. List of Billboard Easy Listening number ones of 1975 - Wikipedia

    en.wikipedia.org/wiki/List_of_Billboard_Easy...

    Manilow was one of three acts to achieve three Easy Listening chart-toppers in 1975, along with Olivia Newton-John and The Carpenters. Newton-John had the highest total number of weeks at number one of any act, spending seven weeks in the top spot. She also recorded the longest unbroken run atop the chart, as her songs "Please Mr.

  6. Peter Krause Reveals His Take on ‘9-1-1’ Cliffhanger - AOL

    www.aol.com/entertainment/peter-krause-reveals-9...

    Peter Krause Disney/Mike Taing Peter Krause has thoughts on that 9-1-1 cliffhanger. Fans were left with an unexpected twist in the show’s season seven finale, which aired on Thursday, May 30.

  7. Audiogram - Wikipedia

    en.wikipedia.org/wiki/Audiogram

    Audiogram. An audiogram is a graph that shows the audible threshold for standardized frequencies as measured by an audiometer. The Y axis represents intensity measured in decibels (dB) and the X axis represents frequency measured in hertz (Hz). [1] The threshold of hearing is plotted relative to a standardised curve that represents 'normal ...

  8. 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 ...

  9. 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 ...