Title :
Eye Array Placement in Enclosed Areas
Author :
Alghassi, Hedayat ; Tafazoli, Shahram ; Lawrence, Peter
Author_Institution :
British Columbia Univ., Vancouver
Abstract :
We have presented [1, 2, 3, 4] a new signal processing algorithm accompanied with a novel array structure for sound source localization in three-dimensional spaces. Our localization methodology has some analogy to the eye in the localization of light rays. In this paper we will show that by placing the so called "eye array" in a trihedral corner of an enclosed area, we can substantially reduce the early reverberation effect of the room in our algorithm. This is the consequences of both the retroreflection property of the orthogonal trihedral corners plus the pseudo-coincidence of the approximation cells with the source direction in our algorithm.
Keywords :
acoustic signal detection; array signal processing; approximation cell; enclosed area; eye array placement; orthogonal trihedral corner; retroreflection property; reverberation effect; signal processing; sound source localization; three-dimensional space; Acoustic sensors; Approximation algorithms; Interpolation; Microphone arrays; Retina; Reverberation; Sensor systems; Shape measurement; Signal processing algorithms; Speech;
Conference_Titel :
Electrical and Computer Engineering, 2007. CCECE 2007. Canadian Conference on
Conference_Location :
Vancouver, BC
Print_ISBN :
1-4244-1020-7
Electronic_ISBN :
0840-7789
DOI :
10.1109/CCECE.2007.262