Patent ID: 6295094
Filing Date: 2001-09-25
Classification: H04N

Abstract:
A video decoder for providing instant replay, comprising:a memory for storing compressed video information;a write controller for receiving the compressed video information and for writing it to the memory;a marker for marking portions of the received compressed video with tags corresponding to the location in the memory of where the portions of the compressed video information are stored;a decompressor fori) receiving the compressed video information and the tags from the memory,ii) decompressing the compressed video information, andiii) storing the tags;a display processor fori) receiving the tags and the decompressed video information,ii) displaying the decompressed video information, andiii) storing the tag of a recently displayed decompressed frame; anda read controller for, upon request for instant replay, receiving the tag of a recently displayed decompressed frame and for accessing the locations in the memory corresponding to a sequence of previously displayed compressed frames for redisplay by the display processor.