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- Ambient_noise_level abstract "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.Ambient sound levels are often measured in order to map sound conditions over a spatial regime to understand their variation with locale. In this case the product of the investigation is a sound level contour map. Alternatively ambient noise levels may be measured to provide a reference point for analyzing an intrusive sound to a given environment. For example, sometimes aircraft noise is studied by measuring ambient sound without presence of any overflights, and then studying the noise addition by measurement or computer simulation of overflight events. Or roadway noise is measured as ambient sound, prior to introducing a hypothetical noise barrier intended to reduce that ambient noise level. Ambient noise level is measured with a sound level meter. It is usually measured in dB relative to a reference pressure of 0.00002 Pa, i.e., 20 μPa (micropascals) in SI units. A pascal is a newton per square meter. The centimeter-gram-second system of units, the reference sound pressure for measuring ambient noise level is 0.0002 dyn/cm2. Most frequently ambient noise levels are measured using a frequency weighting filter, the most common being the A-weighting scale, such that resulting measurements are denoted dB(A), or decibels on the A-weighting scale.".
- Ambient_noise_level thumbnail Integrating_Sound_Level_Meter_dB(A)_Brüel_Kjær_2225.jpg?width=300.
- Ambient_noise_level wikiPageID "40712".
- Ambient_noise_level wikiPageLength "2175".
- Ambient_noise_level wikiPageOutDegree "28".
- Ambient_noise_level wikiPageRevisionID "656125188".
- Ambient_noise_level wikiPageWikiLink A-weighting.
- Ambient_noise_level wikiPageWikiLink Aircraft_noise.
- Ambient_noise_level wikiPageWikiLink Atmospheric_sounding.
- Ambient_noise_level wikiPageWikiLink Background_noise.
- Ambient_noise_level wikiPageWikiLink Category:Acoustics.
- Ambient_noise_level wikiPageWikiLink Category:Noise.
- Ambient_noise_level wikiPageWikiLink Category:Noise_pollution.
- Ambient_noise_level wikiPageWikiLink Category:Sound.
- Ambient_noise_level wikiPageWikiLink Computer_simulation.
- Ambient_noise_level wikiPageWikiLink Contour_line.
- Ambient_noise_level wikiPageWikiLink Decibel.
- Ambient_noise_level wikiPageWikiLink Environmental_noise.
- Ambient_noise_level wikiPageWikiLink Health_effects_from_noise.
- Ambient_noise_level wikiPageWikiLink International_System_of_Units.
- Ambient_noise_level wikiPageWikiLink Noise_(electronics).
- Ambient_noise_level wikiPageWikiLink Noise_barrier.
- Ambient_noise_level wikiPageWikiLink Noise_health_effects.
- Ambient_noise_level wikiPageWikiLink Noise_level.
- Ambient_noise_level wikiPageWikiLink Noise_pollution.
- Ambient_noise_level wikiPageWikiLink Noise_regulation.
- Ambient_noise_level wikiPageWikiLink Roadway_noise.
- Ambient_noise_level wikiPageWikiLink Sound_level_meter.
- Ambient_noise_level wikiPageWikiLink Sound_pressure.
- Ambient_noise_level wikiPageWikiLink Sound_pressure_level.
- Ambient_noise_level wikiPageWikiLink System.
- Ambient_noise_level wikiPageWikiLink File:Integrating_Sound_Level_Meter_dB(A)_Brüel_Kjær_2225.jpg.
- Ambient_noise_level wikiPageWikiLinkText "Ambient noise level".
- Ambient_noise_level wikiPageWikiLinkText "CNEL".
- Ambient_noise_level wikiPageWikiLinkText "ambient noise level".
- Ambient_noise_level wikiPageWikiLinkText "ambient noise".
- Ambient_noise_level wikiPageWikiLinkText "ambient sounds".
- Ambient_noise_level wikiPageWikiLinkText "ambient".
- Ambient_noise_level wikiPageWikiLinkText "background noise".
- Ambient_noise_level hasPhotoCollection Ambient_noise_level.
- Ambient_noise_level wikiPageUsesTemplate Template:FS1037C_MS188.
- Ambient_noise_level wikiPageUsesTemplate Template:No_footnotes.
- Ambient_noise_level subject Category:Acoustics.
- Ambient_noise_level subject Category:Noise.
- Ambient_noise_level subject Category:Noise_pollution.
- Ambient_noise_level subject Category:Sound.
- Ambient_noise_level hypernym Level.
- Ambient_noise_level type Article.
- Ambient_noise_level type Acoustic.
- Ambient_noise_level type Article.
- Ambient_noise_level type Dynamic.
- Ambient_noise_level type Source.
- Ambient_noise_level comment "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.Ambient sound levels are often measured in order to map sound conditions over a spatial regime to understand their variation with locale.".
- Ambient_noise_level label "Ambient noise level".
- Ambient_noise_level sameAs m.0b4jt.
- Ambient_noise_level sameAs Q16002801.
- Ambient_noise_level sameAs Q16002801.
- Ambient_noise_level wasDerivedFrom Ambient_noise_level?oldid=656125188.
- Ambient_noise_level depiction Integrating_Sound_Level_Meter_dB(A)_Brüel_Kjær_2225.jpg.
- Ambient_noise_level isPrimaryTopicOf Ambient_noise_level.