Patent ID: 6173317
Filing Date: 2001-01-09
Classification: G06F,H04L,H04N

Abstract:
In a client computer having a processor, memory and a display device, said client computer coupled to a stream server and at least one web server via a network, a method for synchronizing the display of video frames of a video stream with the display of displayable events, said method comprising the steps of:receiving a plurality of video frames of said video stream from said stream server for display in a video window of said display device, each said video frame associated with a time stamp;displaying said video frames in said video window;receiving a first plurality of annotation frames of a first annotation stream from said stream server;interpreting said first plurality of annotation frames which is associated with a first selected subset of said video frames, each of said first plurality of annotation frames including an event locator and an event time marker, and wherein said event time markers of said first plurality of annotation frames corresponds to the respective time stamps of said first selected subset of video frames, and each said event locator points to one of a first plurality of displayable events stored in said at least one web server; andretrieving and synchronously displaying in a first event window of said display device the displayable event pointed to by the event locator of each of said first plurality of annotation frames whenever the event time marker of each of said first plurality of annotation frames matches the time stamp associated with the video frame currently being displayed in said video window.