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Sound source localization of digital hearing aids using wavelet based multivariate statistical method

Sound source localization of digital hearing aids using wavelet based multivariate statistical method,10.1007/s11767-011-0497-9,Journal of Electronics

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Sound source localization of digital hearing aids using wavelet based multivariate statistical method  
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The letter proposed a sound source localization method of digital hearing aids using wavelet based multivariate statistics with the Generalized Cross Correlation (GCC) algorithm. Haar wavelet is used to decompose GCC sequences and extract four wavelet characteristics. And then, Hotelling T2 statistical method is used to fuse the four wavelet characteristics. The statistical value is used to judge the number of sound sources and obtain corresponding time delay estimation which is used to localize the position of sound source. The experimental results show that the proposed method has better robustness in an environment with severe noise and reverberation. Meanwhile, the complexity of algorithm is moderate, which is available for sound source localization of hearing aids.
Journal: Journal of Electronics (china) , vol. 27, no. 4, pp. 571-576, 2010
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