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  2. 8 white noise machines for better sleep - AOL

    www.aol.com/news/8-white-noise-machines-better...

    This white noise machine has a 4.7-star average rating from over 6,460 reviews on Amazon. ... The sound machine may become such a strong cue for sleep that it has to be taken everywhere, from ...

  3. White noise machine - Wikipedia

    en.wikipedia.org/wiki/White_noise_machine

    A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink noise, whose power rolls off at ...

  4. MyNoise - Wikipedia

    en.wikipedia.org/wiki/MyNoise

    MyNoise Developer(s) Dr. Ir. Stéphane Pigeon Website mynoise.net MyNoise (stylised as myNoise) is a white noise website and app created by Stéphane Pigeon. It offers many different natural soundscapes, as well as synthetic noises such as white noise. History MyNoise was created in 2013 by Stéphane Pigeon, a Belgian audio processing engineer, sound designer, and electrical engineer. By April ...

  5. The Mosquito - Wikipedia

    en.wikipedia.org/wiki/The_Mosquito

    The Mosquito or Mosquito alarm is a machine used to deter loitering by emitting sound at high frequency. In some versions, it is intentionally tuned to be heard primarily by younger people. Nicknamed "Mosquito" for the buzzing sound it plays, the device is marketed as a safety and security tool for preventing youths from congregating in ...

  6. UK watchdog shuts more illegal cryptocurrency 'machines' - AOL

    www.aol.com/news/uk-watchdog-shuts-more-illegal...

    The watchdog, in a coordinated operation with other law enforcement agencies, inspected 34 locations suspec UK watchdog shuts more illegal cryptocurrency 'machines' Skip to main content

  7. Piezoelectric speaker - Wikipedia

    en.wikipedia.org/wiki/Piezoelectric_speaker

    A piezoelectric speaker (also known as a piezo bender due to its mode of operation, and sometimes colloquially called a "piezo", buzzer, crystal loudspeaker or beep speaker) is a loudspeaker that uses the piezoelectric effect for generating sound. The initial mechanical motion is created by applying a voltage to a piezoelectric material, and ...

  8. Bleep censor - Wikipedia

    en.wikipedia.org/wiki/Bleep_censor

    "I Bet You They Won't Play This Song on the Radio", a song by Eric Idle that uses comic sound effects for many bleeps The Morning Show with Mike and Juliet , an American talk show that, in 2008, gained notoriety for using a variation of the bleep censor dubbed a "bleep photo"

  9. Back-up beeper - Wikipedia

    en.wikipedia.org/wiki/Back-up_beeper

    Back-up beepers or an observer are required by OSHA for earth-moving vehicles with an obstructed view to the rear and no one on the ground to help guide the driver. [9] OSHA regulation 29 CFR Part 1926.601(b)(4) requires "a reverse signal alarm audible above surrounding noise level", but only when the motor vehicle has "an obstructed view to the rear".