Matthew Goupell

10:30 am on Thursday, June 20, 2024
12:00 pm on Thursday, June 20, 2024

Dominant Channel Theory: Why is 700 Hz so important for interaural time difference sensitivity and sound localization?

It has been well understood for decades that low-frequency interaural time differences (ITDs) are critical for humans to achieve their exquisite sound localization and speech perception in noise abilities. We have been investigating binaural perception across a range of sound pressure levels to better understand the underlying binaural frequency importance and the mechanisms that contribute to these abilities. Our new data suggest a rethinking of the classic ITD-frequency binaural display that enhances the importance of the 700-Hz channel.

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