| 摘要 |
A system, method and apparatus for selecting and controlling the output of media in a public space. General programming media elements are selected for output in a public space based upon a source indicating available media elements, and upon transient variables especially pertinent to the public space, which are provided independently of user inputs. Metadata media related to but distinct from an output programming media element may be independently selected for output to different devices, via different signal paths and protocols.
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