| 基于FPGA的音频监控系统的设计与实现 |
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| 引用本文： | 王 龙,陈晓光.基于FPGA的音频监控系统的设计与实现[J].太赫兹科学与电子信息学报,2010,8(5):582-587. |
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| 作者姓名： | 王 龙 陈晓光 |
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| 作者单位： | 复旦大学通信科学与工程系,上海200433 |
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| 摘 要： | 广播电台信号的监控是播出安全的重要保障。为了实现对电台音频信号的远程和本地监控,提出了利用FPGA来处理数字音频信号,并将处理的结果网络化传输的系统方案。文中具体阐述了系统中的音频采集、音频分析、音频切换、网络传输模块和软件的设计,并给出了系统实物图和实际测试结果。测试表明,该系统工作可靠,性能稳定,减轻了电台听音人员的负担。
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| 关 键 词： | 音频监控 现场可编程门阵列 自动切换 网络传输 |
| 收稿时间： | 2009/9/28 0:00:00 |
| 修稿时间： | 2009/12/27 0:00:00 |
Designing and implementing audio monitoring system with FPGA platform |
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| WANG Long and CHEN Xiao-guang.Designing and implementing audio monitoring system with FPGA platform[J].Journal of Terahertz Science and Electronic Information Technology,2010,8(5):582-587. |
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| Authors: | WANG Long and CHEN Xiao-guang |
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| Affiliation: | (Department of Communication Science and Engineering,Fudan University,Shanghai 200433,China) |
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| Abstract: | Radio broadcast signal monitoring is an important guarantee for the safety of broadcasting.A systematic solution to process digital signal based on FPGA platform is presented,aiming for the audio remote and local monitoring.Specially addressed in the paper includes audio signal acquisition,analysis,switching,network transmission modules and software designs.Also,the picture of actual object and test results are given.Test shows that the system is reliable and of stable performance,greatly reducing the burden of the radio listener in the broadcast station. |
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| Keywords: | audio monitoring Field-Programmable Gate Array automatic switching network transmission |
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