发明名称 |
Integrated video processing system having multiple video sources and implementing picture-in-picture with on-screen display graphics |
摘要 |
An integrated digital video system is configured to implement picture-in-picture merging of video signals from two or more video sources, as well as selective overlaying of on-screen display graphics onto the resultant merged signal. The picture-in-picture signal is produced for display by a television system otherwise lacking picture-in-picture capability. The digital video system can be implemented, for example, as an integrated decode system within a digital video set-top box or a digital video disc player. In one implementation, a decompressed digital video signal is downscaled and merged with an uncompressed video signal to produce the multi-screen display. The uncompressed video signal can comprise either analog or digital video. OSD graphics can be combined within the integrated system with the resultant multi-screen display or only with a received uncompressed analog video signal.
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申请公布号 |
US6519283(B1) |
申请公布日期 |
2003.02.11 |
申请号 |
US19990328756 |
申请日期 |
1999.06.09 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
CHENEY DENNIS P.;CURLEY LAWRENCE D.;LEE WILLIAM R.;RICHARDSON LELAND D.;SVEC RONALD S. |
分类号 |
H04N7/32;G06T9/00;H04N7/26;H04N7/46;H04N7/50;(IPC1-7):H04B1/66 |
主分类号 |
H04N7/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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