发明名称 |
FAM TRANSMITTING APPARATUS AND METHOD FOR COMBINING FM SIGNAL AND DIGITAL MODULATED AM SIGNAL |
摘要 |
Disclosed is a frequency amplitude modulation (FAM) transmission apparatus and method by combining a frequency modulation (FM) signal and a digital modulated amplitude modulation (AM) signal. A FAM transmission method includes receiving an FM signal created by modulating an audio signal that includes audio information for mono or stereo broadcasting based on an FM scheme; receiving a digital pulse created by modulating digital data used to provide an additional service for the mono or stereo broadcasting based on an amplitude modulation (AM) affiliated digital modulation scheme; creating an AM signal by by adjusting the digital pulse to have a value greater than 0; and creating a FAM signal by combining the FM signal and the AM signal. |
申请公布号 |
US2017126341(A1) |
申请公布日期 |
2017.05.04 |
申请号 |
US201615337642 |
申请日期 |
2016.10.28 |
申请人 |
Electronics and Telecommunications Research Institute |
发明人 |
KIM Young Su;YANG Kyu Tae;LIM Hyoung Soo;LEE Bong Ho;HUR Nam Ho |
分类号 |
H04H20/49;H04H20/88;H04H40/45;H04H20/48 |
主分类号 |
H04H20/49 |
代理机构 |
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代理人 |
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主权项 |
1. A frequency amplitude modulation (FAM) transmission method, comprising:
receiving a frequency modulation (FM) signal created by modulating an audio signal that includes audio information for mono or stereo broadcasting based on an FM scheme receiving a digital pulse created by modulating digital data used to provide an additional service for the mono or stereo broadcasting based on an amplitude modulation (AM) affiliated digital modulation scheme; creating an AM signal by adjusting the digital pulse to have a value greater than 0; and creating a FAM signal by combining the FM signal and the AM signal. |
地址 |
Daejeon KR |