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Auditory Perception And Neural Encoding Of Spectral Modulation, Sittiprapa Isarangura
Auditory Perception And Neural Encoding Of Spectral Modulation, Sittiprapa Isarangura
USF Tampa Graduate Theses and Dissertations
Most natural acoustic sounds consist of multiple frequencies. An important auditory perceptual ability to resolve such acoustic properties is referred to as spectral processing and includes frequency resolution, frequency selectivity and spectral envelope perception. Frequency resolution, as demonstrated by masking techniques, indicates that our auditory system functions as an auditory filter bank with overlapping bandpass filters. These filters allow for the effective separation of sounds into different frequency bands or channels. Acoustic components that fall within a given filter or passband are considered to be processed “within channel” and are perceptually resolved using “local” spectral cues, whereas components in different …