公开(公告)号：SG82034A1

公开(公告)日：2001-07-24

申请号：SG1999005622

申请日：1999-11-11

Applicant: IBM

Inventor： RICHARD STEVEN CHERNOCK ,  PAOLO DETTORI ,  FRANK ANDRE SCHAFFA ,  DAVID ISRAEL SEIDMAN

IPC: G06T1/00 ,  H04N5/222 ,  H04N5/265 ,  H04N7/08 ,  H04N7/081 ,  H04N21/431 ,  H04N21/4725 ,  H04N5/445

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, comprises the steps of: communicating a multimedia presentation file to the receiving device, the 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 the personalized supplementary audio, video, and graphic content, the frame-synchronized information indicating one or more free areas of the multimedia presentation absent significant base multimedia content; extracting the frame-synchronized information from the multimedia presentation file; retrieving the personalized supplementary content from the receiving device; decoding the personalized supplementary content at a time sufficiently in advance of the starting frame timing identifier; and the receiving device selecting an indicated free area and initiating display of one or more items of the personalized supplementary content at frame-accurate times between the starting frame timing identifier and ending frame timing identifier at the frame coordinates in accordance with the frame-synchronized information.