广电系统环绕声信号处理技术与应用分析  

Analysis of Surround Sound Signal Processing Technology and Application in Radio and'Television System

作　　者：李志远 LI Zhiyuan(Shouguang Convergence Media Center,Shouguang 262700,China)

机构地区：[1]寿光市融媒体中心,山东寿光262700

出　　处：《电声技术》2025年第1期96-99,共4页Audio Engineering

摘　　要：广电系统中环绕声技术的应用日益广泛,有助于改善听众体验。通过分析环绕声信号在采集、编码、传输以及还原等环节的处理技术,探讨了不同环绕声格式的特点及其在广电系统中的应用。实验对比了各种环绕声处理方案对音质、空间感、兼容性的影响,结果表明基于对象的音频技术在空间定位精度和跨平台兼容性方面表现优异。同时,自适应比特率传输和高效编解码算法显著增强了系统性能。最后,指出当前技术面临的挑战,并提出相应的优化建议,为广电系统环绕声应用的进一步发展提供参考。Surround sound technology is widely used in radio and television system,which is helpful to improve the audience experience.By analyzing the processing technology of surround sound signal in acquisition,coding,transmission and restoration,the characteristics of different surround sound formats and their applications in radio and television systems are discussed.The effects of various surround sound processing schemes on sound quality,spatial sense and compatibility are compared.The results show that object-based audio technology is excellent in spatial positioning accuracy and cross-platform compatibility.At the same time,adaptive bit rate transmission and efficient coding and decoding algorithms significantly enhance the system performance.Finally,the challenges faced by the current technology are pointed out,and the corresponding optimization suggestions are put forward,which provides a reference for the further development of surround sound application in radio and television systems.

关 键 词：广电系统 环绕声 信号处理 空间音频 音频编解码 

分 类 号：TN912.27[电子电信—通信与信息系统]