Title :
A comparison of algorithms for sound localization
Author :
Julidn, P. ; Andreou, Andreas G. ; Riddle, Larry ; Shamma, Shihab ; Cauwenberghs, Gert
Author_Institution :
Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA
Abstract :
In this paper, we compare the performance of four algorithms for sound localization: one-bit correlation, one-bit correlation derivative, and two methods inspired from biology, namely, gradient flow and sterausis. We employ real-data recorded from four microphones to compare the localization performance.
Keywords :
CMOS analogue integrated circuits; acoustic correlation; acoustic field; acoustic signal detection; analogue processing circuits; direction-of-arrival estimation; gradient methods; hearing; microphones; CMOS technology; algorithm comparison; bearing angle; biology inspired methods; cochlea channels; gradient flow; localization performance; microphones; micropower sound localizer; one-bit correlation; one-bit correlation derivative; sampled data analog architecture; sound localization; sterausis; Circuits; Clocks; Delay effects; Frequency estimation; Goniometers; Hardware; Microphones; Quantization; Sampling methods; Shift registers;
Conference_Titel :
Circuits and Systems, 2003. ISCAS '03. Proceedings of the 2003 International Symposium on
Print_ISBN :
0-7803-7761-3
DOI :
10.1109/ISCAS.2003.1205942
