Ambient noise


Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Wikipedia.
Related to Ambient noise: background noise

ambient noise

[′am·bē·ənt ′nȯiz]
(acoustics)
The pervasive noise associated with a given environment, being usually a composite of sounds from sources both near and distant.

Ambient noise

The background noise level in a space, which is not identifiable as being from a specific source, such as a nearby piece of equipment.

ambient noise

The all-encompassing, average background noise associated with a given environment, often a composite of sounds from many sources near and far, of many different types, e.g., the general background noise in a neighborhood or in an auditorium.
References in periodicals archive ?
* Communication plus ambient noise. n.a.--not applicable.
Only a few studies have documented ocean ambient noise in the Arctic (Diachok and Winokur, 1974; Lewis and Denner, 1987; Roth et al., 2012; Kinda et al., 2013; Clark et al., 2015).
"Vertical Coherence of Ambient Noise in Shallow Water overlying a fluid seabed," in J.AcoustSoc.Am, pp: 0001-4966/97/102.
When analyzing the data contained in the Figure 4, one should note that in the reference case when the test is performed without masking ambient noise, the average percentage rate of correct responses was the highest, which was expected.
where the terms [S[([omega]).sub.NS] and S[([omega]).sub.EW]] and [S[([omega]).sub.V]] are the ratio of the horizontal and vertical spectra of ambient noise respectively and m is the angular frequency.
The upper two data records were made in the environment with a 55 dB SPL ambient noise level.
In fact, our lives will be ruined by ambient noise levels.
The system also leads to lower ambient noise, according to LG.
The researchers suggest that mass transit riders reduce noise exposure using earplugs or earmuffs--but not headphones or earbuds, since wearers often turn up the music to drown out ambient noise.
This is said to result in the optimum combination of warning capability and annoyance reduction, unlike the wider range of frequencies used by broadband alarms which may result in a sound that easily blends with ambient noise and is too different to be recognized as a warning signal.
According to the company, Ultimate Ears by Logitech earphones deliver customised comfort by creating a seal between the ear and the outside world, limiting ambient noise. Both the MetroFi 170s and the 220s provide 16 dBs of noise isolation, enabling users to hear the music clearly without being cut off from the outside world.

Full browser ?