Learning-Based Acoustic Source Localization Using Directional Spectra
2019
This paper proposes to use directional spectra as new features for manifold-learning-based acoustic source localization. We claim that directional spectra not only contain directional information, but are rather discriminative for different positions in a reverberant enclosure. We use these proposed features to build a manifold-learning-based localization algorithm which is applied to single-array localization as well as to Acoustic Sensor Network (ASN) localization. The performance of the proposed algorithm is benchmarked by comprehensive experiments carried out in a simulated environment, with comparison to a blind approach based on triangulation, as well as by Gaussian Process Regression (GPR)-based localization.
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