Apparatus And Method Employing A Perception Based Distance Metric For Spatial Audio

Abstract: An apparatus (100) according to an embodiment is provided. The apparatus comprises an input interface (110) for receiving a plurality of audio objects of an audio sound scene. Moreover, the apparatus (100) comprises a processor (120). Each of the plurality of audio objects represents a sound source being different from any other sound source being represented by any other audio object of the plurality of audio objects; or at least two of the plurality of audio objects represent a same sound source at different locations. The processor (120) is configured to obtain information on a perceptual difference between two audio objects of the plurality of audio objects depending on a distance metric, wherein the distance metric represents perceptual differences in spatial properties of the audio sound scene. And/or, the processor (120) is configured to process the plurality of audio objects to obtain a plurality of audio object clusters or a plurality of processed audio objects depending on the distance metric.

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