Apparatus, Method And Computer Program For Synthesizing A Spatially Extended Sound Source Using Elementary Spatial Sectors

Abstract: An apparatus for synthesizing a spatially extended sound source (SESS) (7000), comprises: a storage (200, 2000) for storing rendering data items for different elementary spatial sectors covering a rendering range for a listener; a sector identification processor (4000) for identifying, from the different elementary spatial sectors, a set of elementary spatial sectors belonging to the spatially extended sound source based on listener data and spatially extended sound source data; a target data calculator (5000) for calculating target rendering data from the rendering data items for the set of elementary spatial sectors; and an audio processor (300, 3000) for processing an audio signal representing the spatially extended sound source using the target rendering data.

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