Patent ID: 6314569
Filing Date: 2001-11-06
Classification: H04N

Abstract:
A method for displaying an enhanced multimedia presentation including personalized supplementary audio, video, and graphic content selectable by a user and rendered by a receiving device, the method comprising:communicating a multimedia presentation file to said receiving device, said multimedia presentation file comprising base multimedia presentation content and, frame-synchronized information including starting frame timing identifier, ending frame timing identifier, starting frame spatial coordinates, ending frame spatial coordinates, and motion vector specifications for describing frame-accurate location, motion and timing of said personalized supplementary audio, video, and graphic content, said frame-synchronized information indicating one or more free areas of said multimedia presentation absent significant base multimedia content;extracting said frame-synchronized information from said multimedia presentation file;retrieving said personalized supplementary audio, video and graphic content from said receiving device;decoding said personalized supplementary audio, video and graphic content at a time sufficiently in advance of said starting frame timing identifier; andsaid receiving device selecting an indicated free area and initiating display of one or more items of said personalized supplementary audio, video and graphic content at frame-accurate times between said starting frame timing identifier and ending frame timing identifier at said frame coordinates in accordance with said frame-synchronized information.