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Sound art is an artistic activity in which sound is utilized as a primary medium or material. Like many genres of contemporary art, sound art may be interdisciplinary in nature, or be used in hybrid forms. [ 1] According to Brandon LaBelle, sound art as a practice "harnesses, describes, analyzes, performs, and interrogates the condition of ...
Loudness. In acoustics, loudness is the subjective perception of sound pressure. More formally, it is defined as the "attribute of auditory sensation in terms of which sounds can be ordered on a scale extending from quiet to loud". [ 1] The relation of physical attributes of sound to perceived loudness consists of physical, physiological and ...
Noise music. Noise music is a genre of music that is characterised by the expressive use of noise. This type of music tends to challenge the distinction that is made in conventional musical practices between musical and non-musical sound. [ 4] Noise music includes a wide range of musical styles and sound-based creative practices that feature ...
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect. [ 1] Usually the onset of the startle response is a startle reflex reaction. The startle reflex is a brainstem reflectory reaction ...
The acoustic reflex threshold (ART) is the sound pressure level (SPL) from which a sound stimulus with a given frequency will trigger the acoustic reflex. The ART is a function of sound pressure level and frequency. People with normal hearing have an acoustic reflex threshold (ART) around 70–100 dB SPL. People with conductive hearing loss (i ...
e. The waveform of a Gaussian white noise signal plotted on a graph. In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. [ 1] The term is used with this or similar meanings in many scientific and technical disciplines, including physics, acoustical ...
A Foley artist at work. In filmmaking, Foley[ a] is the reproduction of everyday sound effects that are added to films, videos, and other media in post-production to enhance audio quality. [ 1] Foley is named after sound-effects artist Jack Foley. [ 2] Foley sounds are used to enhance the auditory experience of a movie.
Lombard effect. Great tits sing at a higher frequency in noise polluted urban surroundings than quieter ones to help overcome the auditory masking that would otherwise impair other birds hearing their song. [1] Although great tits achieve a change in song frequency by switching song types, [2] in other urban birds the change in frequency might ...