A Monaural Cue Sound Localizer |
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| Authors: | John G Harris Chiang-Jung Pu Jose C Principe |
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| Affiliation: | (1) Computational Neuro-Engineering Laboratory, Department of Computer and Electrical Engineering, University of Florida, Gainesville, FL, 32611 |
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| Abstract: | We describe the first single microphone sound localization system and its inspiration from theories of human monaural sound localization. Reflections and diffractions caused by the external ear (pinna) allow humans to estimate sound source elevations using only one ear. Our single microphone localization model relies on a specially shaped reflecting structure that serves the role of the pinna. Specially designed analog VLSI circuitry uses echo-time processing to localize the sound. A CMOS integrated circuit has been designed, fabricated, and successfully demonstrated on actual sounds. |
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| Keywords: | sound localization neuromorphic echo detection monaural localization |
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