【摘要】 目前,宽带网应用日益广泛,如何有效利用广电丰富的内容和宽带网络资源提供增值服务,成为迫切需要解决的一个问题。本文介绍了一种基于宽带IP网的多通道MPEG-1/2编播一体化的关键实现技术。利用该技术,可在一台标准工控设备上实现四通道MPEG-1/2音视频的实时编码,并直接在宽带IP网上进行直播。更多还原

【Abstract】 The radio and TV industry possesses a rich content and advanced broadbandnetwork platform and how to realize the content publishing and transmission is aprincipal problem to be resolved at present. An IP network-based live webcasttechnology and system are introduced. By this system a multichannel A/V signalcan be converted into a MPEG-1/2 stream, which will be transported in real time toa remote receiving unit in monocast, multicast and broadcast mode over a broadbandIP network, thus realizing the added value on broadband A/V services.更多还原