Contribution
Testing Sound Localization Theories on the Horizontal Plane
* Presenting author
Abstract:
Sound localisation is an ability of detecting and using cues, such as time, spectral or intensity difference between ears.The project aims to explore the hearing threshold in combination with directonal hearing and how localisation of sound varies with different sound directions. Our investigations, focused primarily of the horizontal plane, are based on five subjects.Using different frequencies and sound directions, five subjects were instructed to sit in the middle of a designated sound system. As a means to document sound pressure levels and the corresponding frequencies, the subjects were asked to signal when they were able to hear frequencies between 125 and 12.000 kHz from nine different directions. Meanwhile, the subjects were instructed not change their position during the testing, as to obtain measured values that are as accurate as possible. The aim of the project was to get a first impression of how directional localization and hearing level are intertwined with each other, and to apply the theories learned.