Horizontal Plane Localization Ability and Response Time as a Function of Signal Bandwidth
Horizontal plane localization tests were performed on 21 subjects with normal hearing. The aim was to determine the effect of bandwidth limitation on localization ability. Signals were band limited to 4 kHz, 10 kHz, and 25 kHz. It was found that localization cues above 10 kHz contributed significantly to localization ability, especially if the sound source was located in front of the listener. Response time also increased if cues above 10 kHz were removed.
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