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Browse Conference Publications > Circuits and Systems, 2003. I ... Help

A low-power CMOS integrated circuit for bearing estimation

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4 Author(s)
Julian, P. ; Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA ; Andreou, A. ; Mandolesi, P. ; Goldberg, D.

We present the design and testing of a micropower integrated circuit for the estimation of the bearing angle of a sound source with respect to a pair of microphones. The algorithm is based on a modified binary cross-correlation approach suitable for low-power operation. The circuit has been tested and operates at 600 μW at performance levels matching theoretical simulations.

Published in:
Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on  (Volume:5 )

Date of Conference: 25-28 May 2003

Page(s):
V-305 - V-308 vol.5
Print ISBN:
0-7803-7761-3
INSPEC Accession Number:
7762793
Digital Object Identifier :
10.1109/ISCAS.2003.1206263

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