1. An interactive audiovisual system comprising: an image detection computing system configured to determine a position of at least a portion of a person in an interactive area based on one or more images of the interactive area received from an imaging device, wherein the position is determined without the need for a tracking device associated with at least the portion of the person; an interactive media module configured to use the determined position to generate a video control signal and an audio control signal; a video beam controller configured to receive the video control signal and to adjust a position of a video image projected from a video projection device based on at least the video control signal; and an audio beam controller configured to receive the audio control signal and to adjust a direction of an audio signal emitted from an audio device based on at least the audio control signal.