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Patent Title: Method and apparatus for selectably retrieving and outputting digitally stored multimedia presentations with real-time non-interrupting, dynamically selectable introduction of output processing

Assignee: IBM
Patent Number: US5642477
Issue Date: 06-24-1997
Application Number:
File Date:09-22-1994

Abstract: Disclosed are methods and apparatus that facilitate the introduction of filters, converters and effects into an active multimedia stream without interruption of the presentation. A control module or sequence permits such introduction only after verifying the presence of a sufficient supply of buffered presentation data. Responding to a user's request for introduction of a filter, the invention first determines whether its immediate implementation would cause interruption, and either introduces the filter, converter or effect into the data stream as backlogged data continues to be

Notes:

Link to USPTO

IBM Pledge dated 1/11/2005