Patent ID: 6178289
Filing Date: 2001-01-23
Classification: H04N

Abstract:
A video shuffling apparatus for shuffling video data based on a shuffling system of digital video cassette recorder (VCR) standard, the video shuffling apparatus comprising:a first address generator for generating a first interlace address and a first shuffle address according to interlace addressing and shuffle addressing based on the shuffling system;a memory which has a storage capacity for the video data of a frame;a second address generator for generating a second interlace address and a second shuffle address by using the first interlace address and the first shuffle address, wherein a second shuffle address for reading the video data of a previous frame from said memory is the same as a second interlace address for writing the video data of a current frame in said memory, and a second shuffle address for reading the video data of the current frame from said memory is the same as a second interlace address for writing the video data of a next frame in said memory; anda controller for controlling said memory according to a first mode for writing input video data to said memory using said second interlace address and reading out the video data recorded in said memory using said second shuffle address, or a second mode for writing input video data to said memory using said second shuffle address and reading out the video data recorded in said memory using said second interlace address, to thereby continuously shuffle video data frames.