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  2. Ambient noise level - Wikipedia

    en.wikipedia.org/wiki/Ambient_noise_level

    Integrating Sound Level Meter. In atmospheric sounding and noise pollution, ambient noise level (sometimes called background noise level, reference sound level, or room noise level) is the background sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source.

  3. Background noise - Wikipedia

    en.wikipedia.org/wiki/Background_noise

    Background noise or ambient noise is any sound other than the sound being monitored (primary sound). Background noise is a form of noise pollution or interference . Background noise is an important concept in setting noise levels.

  4. Ambience (sound recording) - Wikipedia

    en.wikipedia.org/wiki/Ambience_(sound_recording)

    In filmmaking, ambience (also known as atmosphere, atmos, or background) consists of the sounds of a given location or space. [1] It is the opposite of "silence". Ambience is similar to presence, but is distinguished by the existence of explicit background noise in ambience recordings, as opposed to the perceived "silence" of presence recordings.

  5. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    Noise laws classify sound into three categories. First is ambient noise, which refers to sound pressure of all-encompassing noise associated with a given environment. The second is continuous noise, which could be steady or fluctuating, but continues for more than an hour.

  6. Ambient music - Wikipedia

    en.wikipedia.org/wiki/Ambient_music

    Ambient house is a musical category founded in the late 1980s that is used to describe acid house featuring ambient music elements and atmospheres. [73] Tracks in the ambient house genre typically feature four-on-the-floor beats, synth pads, and vocal samples integrated in an atmospheric style. [73]

  7. NASA offers explanation for bizarre 'trumpet noise' phenomena

    www.aol.com/news/2015-05-22-nasa-attempts-to...

    NASA scientists believe the ominous noises could potentially be the "background noise" of the Earth otherwise known as "Ambient Earth Noise." Since this still lacks scientific confirmation ...

  8. 8 white noise machines for better sleep - AOL

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

    This simple white noise machine offers ten fan sounds and ten ambient noise variations (including white, pink and brown noise). It is powered by either AC or USB and you can adjust the volume with ...

  9. Underwater acoustics - Wikipedia

    en.wikipedia.org/wiki/Underwater_acoustics

    Ambient noise is that part of the received noise that is independent of the source, receiver and platform characteristics. Thus it excludes reverberation and towing noise for example. The background noise present in the ocean, or ambient noise, has many different sources and varies with location and frequency. [26]