2022年第46卷第10期54网络多媒体etworkMultimediaN文献引用格式:闫丙锋.高清演播室视音频系统的设计与实践[J].电声技术,2022,46(10):54-58,62.YANBF.DesignandpracticeofvideoandaudiosysteminHDstudio[J].AudioEngineering,2022,46(10):54-58,62.中图分类号:TN948.12文献标识码:ADOI:10.16311/j.audioe.2022.10.016高清演播室视音频系统的设计与实践闫丙锋(南京市高淳区融媒体中心,江苏南京211300)摘要:以高淳区融媒体中心高清演播室的建设为例,探索县级融媒体中心高清演播室中视音频系统的设计与实践,论述演播室系统的概念,结合实际案例,分析视音频系统的设计思路,讨论信号流程、设备配置,探讨高清演播室系统的建设。系统设计可以通过配置实现高清、标清兼容,通过2选1应急切换实现视频矩阵和切换台主备工作模式,通过冗余配置,保证演播室的可靠性,通过预留保证了系统的可扩展性。县级融媒体中心在高清演播室系统建设上,要重视视音频系统设计,整体设计要体现系统的先进性和严谨性,在资源有限的情况下,通过创新实现功能、节约成本。关键词:高清演播室;融媒体;视频系统;音频系统DesignandPracticeofVideoandAudioSysteminHDStudioYANBingfeng(ConvergentMediaCenter,Gaochundistrict,Nanjing211300,China)Abstract:Takingtheconstructionofhigh-definitionstudioinGaochundistrictconvergentmediacenterasanexample,thispaperexploresthedesignandpracticeofthevideoandaudiosysteminthehigh-definitionstudiointhecounty-levelconvergentmediacenter,discussestheconceptofthestudiosystem,analyzesthedesignideasofthevideoandaudiosystem,discussesthesignalflow,equipmentconfiguration,anddiscussestheconstructionofthehigh-definitionstudiosystem.Thesystemdesigncanrealizehigh-definitionandstandard-definitioncompatibilitythroughconfiguration,realizethevideomatrixandthemainandstandbyworkingmodesoftheswitchingstationthroughemergencyswitchingofoneoutoftwo,ensurethereliabilityofthestudiothroughredundancyconfiguration,andensurethescalabilityofthesystemthroughreservation.Thecounty-levelconvergentmediacentershouldpayattentiontothedesignofthevideoandaudiosystemintheconstructionofthehigh-definitionstudiosystem.Theoveralldesignshouldreflecttheprogressivenessa...