PSY100H1 Study Guide - Interaural Time Difference, Inverse-Square Law, Head-Related Transfer Function
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PSY100H1 Full Course Notes
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Document Summary
Having 2 ears is crucial for determining auditory locations. For most positions in space, sound source will be closer to one ear than to other. 2 potential types of information for determining the source of a sound. Even though sound travels fast, pressure wave will not arrive at both ears at same time. Sounds arrive sooner, albeit very slightly, at ear closer to source. Intensity of sound is greater at ear closer to source. Interaural time difference (itd): difference in time between sound arriving at one ear vs the other. If source is to left, sound will reach left ear first; if to right, will reach right ear first. Terms used to describe locations on imaginary circle that extends around us front, back, left and right. Azimuth: angle of sound source on horizontal plane relative to point in center of head between ears. Measured in degrees, with 0 degrees being straight ahead.
