Field Tests for Immersive and Interactive Broadcast Audio Production using MPEG-H 3D Audio
Next Generation Audio offers new features for the consumer such as advanced user interactivity, immersive sound and optimized reproduction across different classes of playback devices. All of these strongly depend on additional information that is affixed to the audio in the shape of metadata. Thus, some processes of the final sound reproduction assembly shift from the mix process during production to the rendering stage in the consumers’ device. Using the MPEG-H TV Audio System as an example, this paper outlines the workflow for Next Generation Audio content creation with a focus on broadcast production for live and offline applications. Initially, the MPEG-H TV Audio Systems fundamentals will be detailed. It is shown, how new tools can be integrated into well-established production workflows and how they ensure full control of produced mixes in anticipation of the end users’ experience. Use cases for immersive and interactive audio broadcasts are presented by example of an international music competition and a major tennis event. Finally, an outlook to future requirements and improvements is given.
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