发明申请
US20090222855A1 Method and apparatuses for hierarchical transmission/reception in digital broadcast
审中-公开
数字广播中分级发送/接收的方法和装置
- 专利标题： Method and apparatuses for hierarchical transmission/reception in digital broadcast
- 专利标题（中）： 数字广播中分级发送/接收的方法和装置
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申请号： US11920372申请日： 2005-05-24
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公开(公告)号： US20090222855A1公开(公告)日： 2009-09-03
- 发明人: Jani Vare , Harri Pekonen , Tommi Auranen , Miska Hannuksela , Pekka Talmola , Jussi Vesma
- 申请人： Jani Vare , Harri Pekonen , Tommi Auranen , Miska Hannuksela , Pekka Talmola , Jussi Vesma
- 国际申请： PCT/FI2005/000239 WO 20050524
- 主分类号： H04N5/445
- IPC分类号： H04N5/445 ; H04N5/40 ; H04N5/44
摘要：
In accordance with various aspects of the invention, there is being provided a method and apparatus for transmitting, and a method and apparatus for receiving a digital broadcast signal including a hierarchical modulation having a high priority stream and a low priority stream. The content to be received or transmitted in encoded into two stream so that a first stream is configured to be transmitted or received with the high priority stream, and a second stream to be transmitted/received with the low priority stream is configured to contain additional information for increasing the bitrate of the first stream.
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