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Background noise is an important concept in setting noise levels. Background noises include environmental noises such as water waves, traffic noise, alarms, extraneous speech, bioacoustic noise from animals, and electrical noise from devices such as refrigerators, air conditioning, power supplies, and motors. The prevention or reduction of ...
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.
According to Danish noise and music theorist Torben Sangild, one single definition of noise in music is not possible. Sangild instead provides three basic definitions of noise: a musical acoustics definition, a second communicative definition based on distortion or disturbance of a communicative signal, and a third definition based in subjectivity (what is noise to one person can be meaningful ...
Ambient music may have elements of new-age music and drone music, as some works may use sustained or repeated notes. [15] Minimoog Voyager XL, owned by Brian Eno. Ambient music did not achieve large commercial success, being criticized as everything from "dolled-up new age, ... to boring and irrelevant technical noodling". [16]
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.
Musical tones produced by the human voice and all acoustical musical instruments incorporate noises in varying degrees. Most consonants in human speech (e.g., the sounds of f, v, s, z, both voiced and unvoiced th, Scottish and German ch) are characterised by distinctive noises, and even vowels are not entirely noise free.
Presence is similar to ambience, but is distinguished by a lack of explicit background noise. Every location has a distinct presence created by the position of the microphone in relation to the space boundaries. A microphone placed in two different parts of the same room will record two distinct presences.
the speech may sound "choppy" (see noise gate) and difficult to understand; the sudden change in sound level can be jarring to the listener. To counteract these effects, comfort noise is added, usually on the receiving end in wireless or VoIP systems, to fill in the silent portions of transmissions with artificial noise.