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Noise control principles are implemented into technology and design in a variety of ways, including control by redesigning sound sources, the design of noise barriers, sound absorbers, suppressors, and buffer zones, and the use of hearing protection (earmuffs or earplugs).
This falls within the domain of physical acoustics. In fluids, sound propagates primarily as a pressure wave. In solids, mechanical waves can take many forms including longitudinal waves, transverse waves and surface waves. Acoustics looks first at the pressure levels and frequencies in the sound wave and how the wave interacts with the ...
Sound is defined as "(a) Oscillation in pressure, stress, particle displacement, particle velocity, etc., propagated in a medium with internal forces (e.g., elastic or viscous), or the superposition of such propagated oscillation.
The production of speech is a highly complex motor task that involves approximately 100 orofacial, laryngeal, pharyngeal, and respiratory muscles. [2] [3] Precise and expeditious timing of these muscles is essential for the production of temporally complex speech sounds, which are characterized by transitions as short as 10 ms between frequency bands [4] and an average speaking rate of ...
This version is intended to be played back on eight speakers surrounding the audience in a 360° circle, using (unlike Cage's original version) stereo source recordings heard in adjacent speaker pairs. [8] Octophonic sound (in the general sense of eight-channel playback) was stimulated primarily by "the equal coverage it provides to all ...
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Since it is simpler all other representations, including the one where the chord is regarded as a single complex sound, the chord is perceived as a compound. If the generative tone is inharmonic, like a bell-like sound, the interval structure is still recognizable as displacements of a tone spectrum, whose pitch can be even undetectable.
Auditory display is the use of sound to communicate information from a computer to the user. [1] The primary forum for exploring these techniques is the International Community for Auditory Display (ICAD), which was founded by Gregory Kramer in 1992 as a forum for research in the field.