Patent ID: 7127735

Claim:
A video-on-demand system comprising: a video server, wherein the video server comprises, a video database which manages a plurality of video programs and stores digest information corresponding to the video programs, a control unit which controls a transmission to a user terminal of a selected video program from the video database, based upon a user request and user profile information from said user terminal, and which generates a highlight stream of said selected video program up to an interrupted position of said selected video program using digest information of said selected video program upon interruption of a display of said selected video, and wherein said user profile information includes an ID and corresponding position information of said selected video program that has been interrupted, and a buffer which temporarily stores the video program and transmits a video stream of the stored video program to the user terminal under the control of the control unit, wherein the buffer temporarily stores the highlight stream from the control unit and transmits said highlight stream to the user terminal under the control of the control unit, and wherein the highlight stream has a structure with multiple levels of details, each level comprising a plurality of video segments and each segment summarizing contents in a portion of a corresponding video program, wherein said control unit stops said transmission, generates said highlight stream and stores said highlight stream in said video server directly responsive to a user stop request for said selected video program from said user terminal.