V Soft Ltd.

Bitband Technologies, Ltd.

Noam Cohen

Mordechai Teicher

Eitan Lev

Ofer Kruzel

A method for generating a trick replay video stream, including the steps of: selecting from stored data adapted for transmission as a streamed movie a sequence of Intracoded frames (I-frames), and inserting one or more difference frames between consecutive I-frames of the sequence to form the trick replay video stream. Each of the difference frames is constructed to have a zero difference with respect to a preceding I-frame in the sequence. The method further includes transmitting the trick replay video stream to a decoder for display of the streamed movie at an enhanced perceived rate.

Trick mode generation in video streaming

A method and apparatus for processing a coded data stream of video information (e.g., video-on-demand) for selective display according to a Normal PLAY Mode or a Fast PLAY Mode, by splitting the coded data stream into (a) anchor data constituted of anchor picture frames (e.g., I-frames) coded without reference to other picture frames, and (b) complemental data (e.g., B-frames and P-frames) complementing the anchor data; storing the anchor data in an anchor data file and the complemental data in a complemental data file; upon the selection of a Normal PLAY Mode, combining the data of both the anchor data file and the complemental data file to recompose and display the video information; and upon the selection of a fast PLAY mode, displaying only the data of the anchor data file.

Method and apparatus for video-on-demand with fast play capability

In a method and apparatus for browsing through a motion picture in order to locate desired segments in the motion picture, frames are selected from sequential parts of the motion picture according to predetermined sampling critera, e.g., 'by time', 'by tag' or 'by change'. Each selected frame is reduced in size such that the screen can accommodate the simultaneous display of 'n' frames. The frames are displayed sequentially at 'n' sequential locations on the screen according to a predefined closed loop, each frame being displayed in its respective location for a time interval starting with a time delay 't.sub.D ' after the start of the display of the frame at the preceding location in the loop and continuing until the loop has been completed with another frame displayed in its respective location. Thus, only the selected frames need be viewed in order to locate a desired segment, but each selected frame may be viewed for an extended time interval, equal to 'nt.sub.D '.

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Binyamina, Israel

Noam Cohen