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1. 发明申请

US20080039029A1 METHOD AND SYSTEM FOR SYNCHRONIZING AT LEAST TWO MEDIA STREAMS WITHIN ONE PUSH-TO-TALK-OVER-CELLULAR SESSION 审中-公开
标题翻译：用于在一个按钮到细胞过程中同步至少两个介质流的方法和系统
公开(公告)号：US20080039029A1
公开(公告)日：2008-02-14
申请号：US11837850
申请日：2007-08-13
申请人： Pavel DOSTAL , Ivo Sedlacek
发明人： Pavel DOSTAL , Ivo Sedlacek
IPC分类号： H04B1/38
CPC分类号： H04L29/06 , H04L65/1016 , H04L65/4061 , H04L65/607 , H04W4/10 , H04W56/009 , H04W76/45 , H04W84/042
摘要： A service providing receiving client receives at least one first message containing first media and at least one second message containing second media. The first message contains first relative time information, e.g. an RTP timestamp and the second message contains second relative time information (another RTP timestamp). The first relative time information and second relative time information could be used by the service providing receiving client for delivering both media to a media recipient in a synchronized way. The sending push-to-talk-over-cellular (PoC) client, PoC server and receiving PoC client must be changed in the way that the synchronization information needed for the media streams are provided in the Talk Burst Control Protocol messages or Media Burst Control Protocol messages of the Media-floor Control Entity.
摘要翻译：提供接收客户端的服务接收包含第一媒体和包含第二媒体的至少一个第二消息的至少一个第一消息。第一个消息包含第一个相对时间信息，例如 RTP时间戳，并且第二消息包含第二相对时间信息（另一个RTP时间戳）。第一相对时间信息和第二相对时间信息可以被服务提供接收客户端用于以同步的方式将两个媒体传送到媒体接收者。发送即按即说通话蜂窝（PoC）客户端，PoC服务器和接收PoC客户端必须以在通话突发控制协议消息或媒体突发控制中提供媒体流所需的同步信息的方式进行更改媒体层控制实体的协议消息。

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