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Created with Fabric.js 1.4.5 Chapter 10 Auditory Perception The intensity or amplitude of a sound changes how loud we precieve it to be. The frequency of a sound changes the pitch we precieve What is sound? Localization - differences in amplitude, time, and spectral perception Non-speech sounds - perceptual experiences depend on interacting characteristics of stimuli and listeners psychological state and context Speech perception - speech research is much more complex involving perceptual illusions and categorical perception. Psychodynamics - uses laboratory settings to test the limits of auditory perception Gestalt Psychology - concentrates on perception of parts of a pattern as a whole Auditory Scene Analysis - combined elements of Gestalt and Psychodynamics Sound is the vibration of objects. When we hear something, the vibration travels into our ear to our ossicles and then into our cochlea. There tiny hairs called cilia transform the vibration into a electrical stimulus that travels through the auditory nerve and into our brain to become the sound we perceive AMPLITUDE = LOUDNESS FREQUENCY = PITCH Research methods Ecological approaches - looks at people as individual systems with individuals experiences that influence behavior Areas of Research Attention and distraction - individuals can usually only attend to one sound at a time Interaction with other senses - other senses can effect how we perceive sound Research applications Applied use of sound Sonification Warning sounds Machine speech recognition Forensic application
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