Importance

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Abstract

A presentation system has a presentation controller and a play back system for presenting multiple digital presentation blocks of content to multiple audiences simultaneously. The blocks are presented through multiple channels that are selectable by the audience. The blocks are presented through presentation contrivances such as headsets or speakers. The playback system may have a wireless transmission system such that the content in the blocks is transmitted wirelessly to the location of the audience. The channels of the playback system are addressable by the presentation controller. The presentation controller has a number of device definitions and pools of play list items, each play list items specifies one or more of the digital presentation blocks. Each device definition defines a group of one or more channels and defines a pool of play list items for playing to the defined group. The presentation controller is able to redefine the pool of a device definition. The channels are in devices and the device definitions define one or more channels within one or more devices. The presentation controller can play playlist items sequentially within a pool. The presentation controller can have context definitions that define a play list item for each pool, and can play the defined play list items concurrently for each context definition.

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First Claim