The Underlying Frequency-extrapolation Mechanism on Auditory Processing

by Michinao Matsui

The effect of auditory continuity was investigated using frequency glides preceding and following a noise burst. The results of the experiments suggested that subjects traced the frequency change of the prenoise glide and perceived its extrapolated trajectory during the noise. The maximum duration of the extrapolation was about 120 ms. The mechanism of frequency extrapolation may play an important role in the auditory scene analysis of a natural sound environment.

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