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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Trinkle, M. Hashemi-Sakhtsari, A. |
| Copyright Year | 2015 |
| Description | Author affiliation: Language Technol. & Fusion Group, Defence Sci. & Technol. Organ., Edinburgh, SA, Australia (Hashemi-Sakhtsari, A.) || Dept. of Electr. Electron. Eng., Univ. of Adelaide, Adelaide, SA, Australia (Trinkle, M.) |
| Abstract | This paper introduces a Direction of Arrival (DOA) estimation technique for microphone arrays that has improved robustness in reverberant environments. The technique applies a separate beamformer at each frequency to estimate the DOA of the speech signal at that frequency. A histogram of the DOA estimates from all frequencies is then formed, which represents the probability of the signal coming from any particular direction. The histograms can be averaged over consecutive data blocks to improve the reliability. The peak of this angular probability distribution gives an estimate of the DOA. This technique can be used to determine the probability of the person being at any particular location in the room, by combining the angular probability distributions from multiple microphone arrays at different locations in the room. |
| Starting Page | 166 |
| Ending Page | 170 |
| File Size | 245557 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781479983896 |
| DOI | 10.1109/ICIEA.2015.7334104 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2015-06-15 |
| Publisher Place | New Zealand |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Direction-of-arrival estimation Microphone arrays Frequency estimation Histograms Arrays Speech Room Reverberation Speaker Localisation Microphone Array DOA Estimation |
| Content Type | Text |
| Resource Type | Article |
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