Importance

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Abstract

A tool for scheduling the delivery of media objects within varying constraints of available bandwidth. In a preferred embodiment in which the invention is enabled by software executable on a general purpose multimedia grade computer, a system designer orchestrates the playback of a series of media objects on a playback 'score' analogous to a musical score. The system designer can also see the results of his or her work by playing back the playback score in real time on a corresponding runtime view. The media objects are represented on the playback score as playback icons. Responsive to the designer's manipulation of playback icons on the playback score, the present invention further creates and displays a corresponding download score, also viewable by the system designer, in which download icons (corresponding to playback icons on the playback score) are automatically deployed and arranged to fill up a displayed 'pipe' of available bandwidth. The topographical area of the download icons, as displayed, corresponds to the data size of the media objects. The download icons are displayed as rectangular or square-cornered polygonal shapes. As the playback score becomes more information-rich, the pipe tends to fill to capacity with download icons. Eventually, as more information is added, delivery tends towards an error condition where download can no longer keep up with demand (i.e. the pipe is full). When this happens, the invention highlights this condition to the designer. The designer must then take action to correct the error condition so that delivery of media objects is once again compatible with playback. Alternatively, in a second embodiment, the system automatically degrades the content of media objects according to preselected sequences and conditions. The corresponding reduction in data-richness of degraded media objects causes the delivery thereof to again be compatible with playback.

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First Claim