发明授权
US07295760B2 Digital video system 有权
数字视频系统

Digital video system
摘要:
The erasion level appending range of a file is instructed. According to this instruction, the erasion level is set. When this setting range does not agree with the cell unit of the current cell, the current cell is divided to set a sequence of divided cells. Playback management information of each of the divided cells and current cell is recreated, and erasion level information is appended to playback management information of the divided cell that belongs to the appending range.
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