| 发明名称 |
Multiplexed modulation system for robust audio digital television |
| 摘要 |
A method and apparatus for transmitting a digital television signal using a single QAM (quadrature amplitude modulated) carrier which provides audio and video data packets at respective complex symbol data rate levels. One purpose of the invention is to provide a digital television signal which resembles the audio vs. video reception characteristics exhibited by conventional analog television (i.e. NTSC). way communication path.
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| 申请公布号 |
US5561468(A) |
申请公布日期 |
1996.10.01 |
| 申请号 |
US19950396289 |
申请日期 |
1995.02.28 |
| 申请人 |
NORTH AMERICAN PHILIPS CORPORATION |
发明人 |
BRYAN, DAVID A.;HULYALKAR, SAMIR N.;BASILE, CARLO;GUAN, ZHI-YUAN |
| 分类号 |
H04B1/66;H04L7/04;H04L25/497;H04L27/00;H04L27/34;H04N5/21;H04N5/44;H04N7/015;H04N7/08;H04N7/18;H04N7/26;H04N7/54;H04N7/64;(IPC1-7):H04N11/06 |
主分类号 |
H04B1/66 |
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