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Representing a complex acoustic scene with audio objects is desirable but challenging in object-based spatial audio production and reproduction, especially when concurrent sound signals are present in the scene. Source separation (SS) provides a potentially useful and enabling tool for audio object extraction. These extracted objects are often remixed to reconstruct a sound field in the reproduction...
In existing audio-visual blind source separation (AV-BSS) algorithms, the AV coherence is usually established through statistical modelling, using e.g., Gaussian mixture models (GMMs). These methods often operate in a low-dimensional feature space, rendering an effective global representation of the data. The local information, which is important in capturing the temporal structure of the data, however,...
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