Psychoacoustics is a branch of psychophysics that studies auditory perception. From its inception, psychoacoustics has been a multidisciplinary field that is closely related to acoustics, audiology, biophysics, cognitive psychology, neuroscience, and signal processing.

Most psychoacoustic studies gain insights about auditory perception by conducting behavioral experiments. In a typical psychoacoustic experiment, acoustic stimuli are presented to human subjects and the subjects are instructed to perform a behavioral task and generate responses accordingly. For example, in order to study the subject’s hearing sensitivity at a certain frequency, a pure tone at this frequency could be presented to the subject, and the subject’s task is to indicate whether the pure-tone stimulus is audible by either raising his or her hand or pressing a corresponding button. This way, the level ...

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