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Application of Object-Based Audio for Automated Mixing of Live Football Broadcast

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The challenge of creating a live sound mix for a sports event such as a football/soccer match cannot be underestimated. The mixing engineer needs to constantly raise and lower the levels of the faders corresponding to the pitch-side microphones that cover the area of the pitch containing the action at that point in time such that the on-pitch sounds can be heard over the crowd noise. This paper presents an automation of this process based on the detection of audio objects in the microphone feeds and then controls the levels of the faders on the mixing console accordingly. This paper includes a brief description of the underlying algorithms for the detection of ball-kicks and whistle-blows and describes how such a system can be integrated into current broadcast workflows.

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