发明名称 |
METHOD AND SYSTEM FOR DELIVERING DUAL LAYER HDTV SIGNALS THROUGH BROADCASTING AND STREAMING |
摘要 |
The present invention provides a method and system for delivering SDTV/HDTV services that achieves significant bandwidth savings, while keeping the existing SDTV transmission unchanged. In accordance with one embodiment of the invention, a system is provided for delivering HDTV signals. In this system, an HD enhancement layer containing an HD enhancement data stream is obtained/. The HD enhancement layer is delivered to a server to enable a subscriber to access the server, via a set top terminal, to receive the HD enhancement layer over a network system. In another embodiment of the invention, a base layer containing a SD data stream is also delivered to the set top terminal to allow the terminal to integrate the HD enhancement layer and the base layer into a HDTV output.
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申请公布号 |
WO2004057874(A8) |
申请公布日期 |
2005.03.24 |
申请号 |
WO2003IB05697 |
申请日期 |
2003.12.02 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;ZENG, YONGQIN;BRULS, W.H.A.,(FONS);CHEN, NINGJIANG |
发明人 |
ZENG, YONGQIN;BRULS, W.H.A.,(FONS);CHEN, NINGJIANG |
分类号 |
H04N7/24;H04N7/26;(IPC1-7):H04N7/24 |
主分类号 |
H04N7/24 |
代理机构 |
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地址 |
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