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  2. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Protection of a "1-dimension zone" is easier and requires only one or two microphones and speakers to be effective. Several commercial applications have been successful: noise-cancelling headphones, active mufflers, anti-snoring devices, vocal or center channel extraction for karaoke machines, and the control of noise in air conditioning ducts ...

  3. Head-related transfer function - Wikipedia

    en.wikipedia.org/wiki/Head-related_transfer_function

    HRTF filtering effect. A head-related transfer function (HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived, boosting some frequencies and attenuating others.

  4. Sound reinforcement system - Wikipedia

    en.wikipedia.org/wiki/Sound_reinforcement_system

    Monitor loudspeaker cabinets are often a wedge shape, directing their output upwards towards the performer when set on the floor of the stage. Simple two-way, dual-driver designs with a speaker cone and a horn are common, as monitor loudspeakers need to be smaller to save space on the stage. These loudspeakers typically require less power and ...

  5. These 20 Prime Day Deals end in 12 hours: (Levi’s, Beats ...

    www.aol.com/20-prime-day-deals-end-101500676.html

    You don’t want to miss this deal on Beats Studio Pro headphones that are more than 50% off right now. These highly-rated headphones have 40 hours of battery life, active noise cancellation, and ...

  6. In-ear monitor - Wikipedia

    en.wikipedia.org/wiki/In-ear_monitor

    Elize Ryd wearing in-ear monitors during a concert in 2018. In-ear monitors, or simply IEMs or in-ears, are devices used by musicians, audio engineers and audiophiles to listen to music or to hear a personal mix of vocals and stage instrumentation for live performance or recording studio mixing. They are also used by television presenters to ...

  7. Sean McVay argues with officials as he wears a headset for ...

    www.aol.com/sports/sean-mcvay-argues-officials...

    McVay did a full series on the headset with the Rams' broadcast booth in the first half, commentating on the game as it unfolded, and did another series in the second half.

  8. Prince Albert Shares Rare Insight Into When He Met Princess ...

    www.aol.com/prince-albert-shares-rare-insight...

    The two, married since 2011, first met 11 years prior in 2000 at the Mare Nostrum International Swimming Meet in Monaco, but didn’t begin a relationship until 2005.

  9. Beat (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Beat_(acoustics)

    Beat (acoustics) In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, perceived as a periodic variation in volume whose rate is the difference of the two frequencies. With tuning instruments that can produce sustained tones, beats can be readily recognized.