发明授权
US5978543A Video disk recorder which compresses video data and inserts addresses of
intra-frames into the user data area of the headers of the intra-frames
失效
视频磁盘记录器,其压缩视频数据并将帧内的地址插入到帧内的头部的用户数据区域中
- 专利标题: Video disk recorder which compresses video data and inserts addresses of intra-frames into the user data area of the headers of the intra-frames
- 专利标题(中): 视频磁盘记录器,其压缩视频数据并将帧内的地址插入到帧内的头部的用户数据区域中
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申请号: US801180申请日: 1997-02-18
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公开(公告)号: US5978543A公开(公告)日: 1999-11-02
- 发明人: Tatsuya Nishimura , Wataru Masuno , Hideaki Ogawa , Akira Yoneyama , Tatsuya Murata
- 申请人: Tatsuya Nishimura , Wataru Masuno , Hideaki Ogawa , Akira Yoneyama , Tatsuya Murata
- 申请人地址: JPX Osaka
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址: JPX Osaka
- 优先权: JPX66-017165 19940214
- 主分类号: H04N5/92
- IPC分类号: H04N5/92 ; G06T9/00 ; G11B27/034 ; G11B27/10 ; G11B27/11 ; G11B27/30 ; G11B27/32 ; H04N5/78 ; H04N5/781 ; H04N5/783 ; H04N5/85 ; H04N5/91 ; H04N5/928 ; H04N9/804 ; H04N9/806 ; H04N9/82 ; H04N19/46 ; H04N19/50 ; H04N19/503 ; H04N19/593 ; H04N19/70 ; H04N5/917 ; H04N7/26
摘要:
A recording apparatus for recording compressed video data has compressed video data generator for generating a compressed video data having a plurality of intra frames each of which has no cross-reference to any other frames, and bidirectional interpolated frames and predictive frames each of which has cross-reference to other frame. In the first cycle operation, address detector detects addresses of the intra frames and stores the detected addresses in a memory. A scan information generator generates, with reference to the stored addresses in the memory, scan information for an independent frame including one or two addresses of advanced intra frames and one or two addresses of previous intra frames. The scan information is inserted to each frame and then recorded on a disk. During the reproduce of the disk, the scan information is detected to have a quick access to the intra frame located near by.
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