Sound field reconstruction techniques for recreating immersive audio in entertainment applications are well established. However, these techniques and their underlying principles do no readily upscale to cover larger listening areas with a sizable number of either static or ambulant listeners. In this work, we review the theory and considerations of sound field control and contrast that to the requirements for creating a consistent experience across a large audience. An argument is made that precise sound field control is neither necessary or sufficient, and we propose key challenges and hybrid approaches for further research and development beyond sound field control.
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