摘要
本文围绕多种既能克服场地限制,又能便捷高效的传输高质量音频的传输技术这一课题进行研究,分析了基于IP音频编解码的3G传输技术、基于COFDM调制技术的移动数字微波传输技术和基于SDH技术的光纤数据链路传输技术这三种技术的技术特性,通过多个应用案例阐述了如何综合利用多元化新型传输方式实现广播直播传输水平的提升。
This paper researches the subject of several transmission technologies which focus on space limitations and efficiently transmission of high-quality audio. It analyses the technical characteristics of three technologies which are 3G transmission technology based on IP audio codec, mobile digital microwave transmission technology based on COFDM modulation technology and fiber optic data link transmission technology based on SDH. It describes how to use new diversified transmission to enhance live broadcast transmission levels through several application cases.
出处
《广播与电视技术》
2015年第11期63-67,共5页
Radio & TV Broadcast Engineering
关键词
现场直播
传输
3G
移动数字微波
光纤数据链路
Live broadcast, Transmission, 3G, Mobile digital microwave, Fiber optic data link