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1前言目前,国外正在研发将广播与通信特点结合在一起的Hybridcas(t暂译混合广播)。Hybridcast是利用网络使广播业务更高能化的基础技术。可以在此基础上开展多种有魅力的业务。Hybridcast可开展内容极为丰富多彩的业务,诸如:将广播节目引向视频点播(VOD)的业务、使节目视听方法的客户化业务、与社会网络服务(SNS:Social Networking Service)相连协的业务和时髦电话等与移动终端和电视连协的业务。可以说Hybridcast能实现多种多样的新型广播业务。众所周知,广播具有高品质、高可靠、同址性的特征。而通信是以满足各人的个别要求为特征的。为了
1 Introduction At present, Hybridcas is being developed abroad that combines the features of radio and communications. Hybridcast is the basic technology that uses the Internet to make the broadcast service more energy-efficient. On this basis, a variety of attractive business. Hybridcast enables a wide range of content-rich services such as: services that bring radio programs to video on demand (VOD), customized services that enable audio-visual programs, business linked to Social Networking Services (SNS) Stylish phones and other mobile terminals and television companies linked to the business. Hybridcast can be said to achieve a wide variety of new broadcast services. It is well-known that broadcasting has the characteristics of high quality, high reliability and co-locality. Communication is characterized by meeting individual needs. in order to