PSYC 2390 Chapter Notes -Sound Pressure, Monaural, Sound Localization
1 Aug 2013
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Cues to location of a sound (2 dimensions) Auditory space: extends all around your head in all directions. 3 dimensions: azimuth: left to right, elevation: up and down, distance: close and far. Different in vision in that when a sound is heard, it stimulates a cochlea based on the sound frequency and gives no information about sound localization. When you have something that comes from right, hits right ear before left ear. Compare time in which a sound hits left ear and right ear. If comes from straight ahead or behind: hits both ears at same time. This cue works best for : low frequencies. Because time between peak and bottom is longer time therefore easier to tell (more time) Differences in sound pressure level of the sound reaching the two ears. If it comes from right, it is louder on the right. If it from straight ahead or behind, equally as loud on either side.
