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A sound speed gradient leads to refraction of sound wavefronts in the direction of lower sound speed, causing the sound rays to follow a curved path. The radius of curvature of the sound path is inversely proportional to the gradient. [2] When the sun warms the Earth's surface, there is a negative temperature gradient in atmosphere.
Psychoacoustics is the branch of psychophysics involving the scientific study of the perception of sound by the human auditory system.It is the branch of science studying the psychological responses associated with sound including noise, speech, and music.
Art therapy is a distinct discipline that incorporates creative methods of expression through visual art media. Art therapy, as a creative arts therapy profession, originated in the fields of art and psychotherapy and may vary in definition. Art therapy encourages creative expression through painting, drawing, or modelling.
Georges Lentz's 43-hour String Quartet(s) at the Cobar Sound Chapel (2022), with loudspeakers in the four walls. Sound installation is an intermedia and time-based art form. It is an expansion of an art installation in the sense that it includes the sound element and therefore the time element. [11]
The goal this acoustics sub-discipline is to reduce the impact of unwanted sound. Scope of noise studies includes the generation, propagation, and impact on structures, objects, and people. Innovative model development; Measurement techniques; Mitigation strategies; Input to the establishment of standards and regulations
Perlin noise is a type of gradient noise developed by Ken Perlin in 1983. It has many uses, including but not limited to: procedurally generating terrain , applying pseudo-random changes to a variable, and assisting in the creation of image textures .
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Grief therapy is a kind of psychotherapy used to treat severe or complicated traumatic grief reactions, [13] which are usually brought on by the loss of a close person (by separation or death) or by community disaster. The goal of grief therapy is to identify and solve the psychological and emotional problems which appeared as a consequence.