Abstract
In this paper, we consider the problem of acoustic source localization using distributed microphone arrays. Time differences of arrival (TDOAs) are estimated using a recently proposed method based on joint direction of arrival (DOA) and range estimation. The TDOAs are used to estimate the location of an acoustic source using a recently proposed method, based on a 4D parameter space defined by the 3D location of the source, and the TDOA. The performance of the proposed method for acoustic source localization is compared to generalized cross-correlation with phase transform (GCC-PHAT), and a method based on joint DOA and pitch estimation, using synthesized harmonic signals with varying source position. Results show a decrease in the error of the estimated position when joint DOA and range estimation is used for TDOA estimation, compared to the GCC-PHAT and joint DOA and pitch methods.
Original language | English |
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Journal | Asilomar Conference on Signals, Systems and Computers. Conference Record |
Pages (from-to) | 491-495 |
Number of pages | 5 |
ISSN | 1058-6393 |
DOIs | |
Publication status | Published - 2014 |
Event | 2014 48th Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States Duration: 2 Nov 2014 → 5 Nov 2014 |
Conference
Conference | 2014 48th Asilomar Conference on Signals, Systems and Computers |
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Country/Territory | United States |
City | Pacific Grove, CA |
Period | 02/11/2014 → 05/11/2014 |
Keywords
- Source Localization
- Speech Processing
- TDOA Estimation