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  2. Deep Note - Wikipedia

    en.wikipedia.org/wiki/Deep_Note

    The sound is used on trailers for THX-certified movie theaters, home video releases, video games, and in-car entertainment systems. The Deep Note was partially previewed on the opening track of the 1983 album The Digital Domain: A Demonstration, where it was included among sound effects that were combined with the Deep Note itself.

  3. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.

  4. Loudness - Wikipedia

    en.wikipedia.org/wiki/Loudness

    The horizontal axis shows frequency in Hertz. In acoustics, loudness is the subjective perception of sound pressure.More formally, it is defined as the "attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud". [1]

  5. Loud music - Wikipedia

    en.wikipedia.org/wiki/Loud_music

    Disturbing the peace by playing loud music in the night is a criminal offense, typically a misdemeanor. [2] The exact definition of what constitutes a loud music violation varies by location, either at a certain volume (measured in decibels) or the distance from the source at which the music can be heard. The time of day is also often a factor ...

  6. Jet noise - Wikipedia

    en.wikipedia.org/wiki/Jet_noise

    In aeroacoustics, jet noise is the field that focuses on the noise generation caused by high-velocity jets and the turbulent eddies generated by shearing flow. Such noise is known as broadband noise and extends well beyond the range of human hearing (100 kHz and higher).

  7. Raining Tacos - Wikipedia

    en.wikipedia.org/wiki/Raining_Tacos

    According to Gripp, "Raining Tacos" is his most popular song. [5] It was adapted into a mobile game in 2014. [6] Between 2014 and late 2019, "Raining Tacos" became popular online due to its popularity within Roblox's player base.

  8. Chrysler Air-Raid Siren - Wikipedia

    en.wikipedia.org/wiki/Chrysler_Air-Raid_Siren

    The operator's job was to start the engine and bring it up to operating speed, then to pull and release the transmission handle to start the wailing signal generation. The Chrysler Air Raid Siren produced the loudest sound ever achieved by an air raid siren. [1]

  9. Talk:The Loudest Sound Ever Heard - Wikipedia

    en.wikipedia.org/wiki/Talk:The_Loudest_Sound...

    I have been in the process of revising all the album entries for the Choir, removing POV and unsourced language, adding relevant information with reliable sources and doing basic formatting and cleanup; the current version of The Loudest Sound Ever Heard is the result. TARDIS 19:23, 11 March 2023 (UTC)