视讯系统技术方案建议书中科软科技股份有限公司12/11/24第1页共68页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共68页目录1视讯技术发展概况..........................................................................................41.1H.264是高清视频编解码协议的标准...........................................................................51.2H.320/H.323长期共存，向SIP协议平滑过渡...........................................................71.3高保真，低延时宽带音频协议AAC-LD成为高品质音频首选..................................91.41080P50P/60P、720P50P/60P高清是新一代视频会议的不二选择...........................102视讯系统选型关注点................................................................................一三2.1稳定性........................................................................................................................一三2.2全高清........................................................................................................................一三2.3可持续性........................................................................................................................142.4扩展性............................................................................................................................142.5标准性............................................................................................................................142.6易用性............................................................................................................................142.7客户化解决方案能力................................................................................................一五2.8本地化服务能力........................................................................................................一五3高清视频系统设计方案建议....................................................................一五3.1系统设计依据............................................................................................................一五3.2系统设计原则................................................................................................................163.3系统组网方案............................................................................................................一八3.3.1组网图....................................................................................................................一八3.3.2方案说明................................................................................................................一八3.3.3系统配置....................................................................................................................194***高清视频系统主要特点..........................................................................204.1全高清............................................................................................................................204.2高流畅性........................................................................................................................204.3高清静态、动态双流....................................................................................................21第2页共68页第1页共68页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共68页4.4CD音质效果................................................................................
