- Noise – Wikipedia
This Wikipedia page provides a comprehensive overview of the term “Noise,” covering its definition, types, and various aspects related to different fields such as acoustics, physics, and technology. It also includes information on the measurement of audio-frequency noise voltage and the definition of noise in dictionaries[1]. - Noise (disambiguation) – Wikipedia
The “Noise (disambiguation)” page on Wikipedia offers a wide range of topics related to “Noise,” including its meanings in music, science, technology, arts, and entertainment. It covers various aspects such as noise in music, film and television, literature, and other uses of the term “Noise” in different contexts[2]. - Noise (signal processing) – Wikipedia
This Wikipedia page specifically focuses on noise in the context of signal processing. It discusses the general term “noise” as unwanted modifications that a signal may undergo during capture, storage, or transmission. The page covers different types of noise, measures of noise in signals, and technology related to noise in signal processing[4].
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Citations:
[1] https://en.wikipedia.org/wiki/Noise
[2] https://en.wikipedia.org/wiki/Noise_(disambiguation)
[3] https://en.wikipedia.org/wiki/Wikipedia:List_of_sound_files
[4] https://en.wikipedia.org/wiki/Noise_(signal_processing)
Noise is sound, chiefly unwanted, unintentional, or harmful sound considered unpleasant, loud, or disruptive to mental or hearing faculties. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrations through a medium, such as air or water. The difference arises when the brain receives and perceives a sound.
Acoustic noise is any sound in the acoustic domain, either deliberate (e.g., music or speech) or unintended. In contrast, noise in electronics may not be audible to the human ear and may require instruments for detection.
In audio engineering, noise can refer to the unwanted residual electronic noise signal that gives rise to acoustic noise heard as a hiss. This signal noise is commonly measured using A-weighting or ITU-R 468 weighting.
In experimental sciences, noise can refer to any random fluctuations of data that hinders perception of a signal.
English
Etymology
From Middle English noyse, noise, from Old French noise (“a dispute, wrangle, strife, noise”), of uncertain origin.