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This paper considers the problem of separation of acoustic sources from convolutive mixtures captured by a microphone array. The problem is approached through Plane Wave Decomposition (PWD) of the sound field measured at multiple points along the extension of the array. The directional components of the sound field are analyzed by means of the plenacoustic framework to accurately estimate the direction...
Soundfield imaging is a novel technique for efficiently encoding, representing and processing the wave field captured by a microphone array. Some of the possible applications include source and reflector localization. In this manuscript we discuss the resolution properties of the soundfield image and the trade-offs that need to be considered while designing the “soundfield camera”. Then we propose...
We propose a method for the estimation of the three-dimensional radiation pattern of violins, during the performance of a musician. A microphone array captures the energy radiated by the violin in different directions using beamforming based on sub-arrays. The 3D radiation pattern is estimated allowing the musician to freely move. In particular, a tracking system estimates the position and orientation...
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