Patent ID: 6567470
Filing Date: 2003-05-20
Classification: G11B,H04N

Abstract:
An apparatus for editing compressed picture data recorded on an optical disk in groups of pictures (GOP) units, comprising:input means for inputting uncompressed picture data to be recorded at an insertion point within compressed picture data previously recorded on the optical disk; reproducing means for reproducing from the optical disk a first GOP containing the insertion point and a second GOP following the first GOP; a memory for storing the first GOP and the second GOP; encoding means for encoding the uncompressed picture data as a new GOP; recording means for recording the new GOP onto the optical disk at the insertion point; said reproducing means reproducing from the optical disk a remaining portion of the second GOP following the recorded new GOP; decoding means for decoding the remaining portion of the second GOP using pictures from the second GOP previously stored in memory; said encoding means re-encoding the decoded remaining portion of the second GOP as a third GOP, such that the third GOP is a complete unit that can be uncompressed and viewed; and said recording means recording the third GOP onto the optical disk following the new GOP.