Patent ID: 6819862
Filing Date: 2004-11-16
Classification: G11B,H04N

Abstract:
An information recording method for recording information on an optical disc, the optical disc configured to store video object data and control information for controlling the video object data, wherein:the video object data recorded on the optical disc includes a plurality of groups of pictures, the control information includes a plurality of program chains including cells, each cell being configured to enable management of a reproducing period of the video object data, and each program chain configured to enable management of a reproducing order of the video object data in a unit of the cells, the program chains comprise different program chains, a cell of one of the program chains and a cell of another one of the program chains enabling reproduction of a same portion of the video object data, the control information includes type information indicating if a corresponding portion of the video object data is inhibited from reproduction, and the reproduction inhibited portion of the video object data includes a start point and an end point located at intermediate positions of the groups of pictures, the information recording method comprising: recording the video object data and the control information on the optical disc; setting the video object data reproduction inhibited portion; setting the type information showing reproduction inhibition corresponding to a portion of the video object data included in the reproduction inhibited portion; and deleting the portion of the video object data from the optical disc, wherein a group of pictures including the end point of the reproduction inhibited portion in an intermediate portion is not deleted so that the group of pictures can be reproduced from a beginning of the group of pictures.