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Object-Based 3D Audio Production for Virtual Reality Using the Audio Definition Model

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This paper presents a case study of the production of a virtual reality experience with object-based 3D audio rendering using professional tools and workflows. An object-based production was created using a common digital audio workstation with real-time dynamic binaural sound rendering and visual monitoring of the scene on a head-mounted display. The Audio Definition Model is a standardized meta-data model for representing audio content including object-based, channel-based, and scene-based 3D audio. Using the Audio Definition Model the object-based audio mix could be exported to a single WAV file. Plug-ins were built for a game engine in which the virtual reality application and the graphics were authored to allow import of the object-based audio mix and custom dynamic binaural rendering.

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AES - Audio Engineering Society