Object-based spatial audio is an approach for interactive three-dimensional audio reproduction. This concept not only changes how creators interact with audio content, but also how it is saved and transmitted. Hence, a new process in the reproduction chain called rendering was established. The rendering process generates loudspeaker signals out of an object-based scene. Although recording and mixing have been subject to research in recent years, concepts for object-based mastering are nearly missing. The main difference compared to channel-based mastering is that instead of adjusting loudspeaker channels, audio objects need to be altered. This requires a fundamentally new concept for mastering. In this paper, a new method for mastering object-based audio is presented.

Authors: Hestermann, Simon; Seideneck, Mario; Sladeczek, Christoph
Affiliation: Fraunhofer Institute for Digital Media Technology IDMT, Ilmenau, Germany
AES Conference: 2018 AES International Conference on Spatial Reproduction - Aesthetics and Science (July 2018)
Paper Number: P10-2
Publication Date: July 30, 2018
Session Subject: object-based audio; mastering; spatial sound reproduction

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