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It is designed to help the live sound engineer optimize sound reinforcement systems before public performance and actively monitor acoustical parameters in real time while an audio system is in use. Most earlier analysis systems required specific test signals sent through the sound system, ones that would be unpleasant for the audience to hear.
Led by William E. Garity, the chief audio engineer at the Disney studios, technicians developed a multi-channel reproduction system that was dubbed Fantasound, a process that was to be a desirable alternative sound system. The first task was to create the illusion of sound "moving" across neighboring speakers.
Audio system measurements are used to quantify audio system performance. These measurements are made for several purposes. Designers take measurements to specify the performance of a piece of equipment.
The dynamic range of an audio system is a measure of the difference between the smallest and largest amplitude values that can be represented in a medium. Digital and analog differ in both the methods of transfer and storage, as well as the behavior exhibited by the systems due to these methods.
Schematic representation of the three levels of temporal envelope (ENV) and temporal fine structure (TFS) cues conveyed by a band-limited signal processed by the peripheral auditory system. Any sound whose frequency components cover a narrow range (called a narrowband signal) can be considered as an envelope (ENV p, where p denotes the physical ...
A speaker can regulate their vocalizations, particularly their amplitude relative to background noise, with reflexive auditory feedback. Such auditory feedback is known to maintain the production of vocalization since deafness affects the vocal acoustics of both humans [ 17 ] and songbirds [ 18 ] Changing the auditory feedback also changes ...
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Perceptual Evaluation of Audio Quality (PEAQ) is a standardized algorithm for objectively measuring perceived audio quality, developed in 1994–1998 by a joint venture of experts within Task Group 6Q of the International Telecommunication Union's Radiocommunication Sector . It was originally released as ITU-R Recommendation BS.1387 in 1998 and ...