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    • 13. 发明授权
    • Video/audio network
    • 视频/音频网络
    • US08625589B2
    • 2014-01-07
    • US12805816
    • 2010-08-20
    • Jian-Rong ChenDaniel WilsonDaphne Economou
    • Jian-Rong ChenDaniel WilsonDaphne Economou
    • H04L12/28
    • H04L7/02H04L12/18H04L12/185H04L29/06027H04L45/10H04L45/16H04L49/201H04L49/351H04L49/352H04L49/602H04L65/4076H04N21/43632H04N21/6405
    • A packet-based data network including: an audio/video network comprising: a packet-switched network over which data including audio and/or video data packets can be carried; at least one data source connected to the network and operable to assemble packetised data comprising audio/video data at a first resolution and at a second resolution greater than the first resolution, and to transmit data packets carrying multiple audio/video streams at the first resolution by multicast network transmission; at least one client connected to the network, being a data handling device for handling packetised audio/video data and being arranged to join the multicast group to receive the multiple audio/video streams at the first resolution, wherein the client is associated with a graphical user interface configured in conjunction with a processor to select an audio/video stream, and the processor is arranged to issue a unicast command to cause transmission of a selected audio/video stream at the second resolution from the source to the client.
    • 一种基于分组的数据网络,包括:音频/视频网络,包括:分组交换网络,可以在其上承载包括音频和/或视频数据分组的数据; 至少一个数据源连接到网络并且可操作以以第一分辨率和大于第一分辨率的第二分辨率来组合包括音频/视频数据的分组化数据,以及以第一分辨率发送携带多个音频/视频流的数据分组 通过组播网络传输; 连接到网络的至少一个客户端是用于处理分组化音频/视频数据的数据处理设备,并被安排为加入多播组以第一分辨率接收多个音频/视频流,其中客户端与图形相关联 用户界面,其被配置为与处理器配置以选择音频/视频流,并且所述处理器被布置为发布单播命令以使所述第二分辨率的所选音频/视频流从所述源传送到所述客户端。
    • 15. 发明申请
    • Video/audio network
    • 视频/音频网络
    • US20110055416A1
    • 2011-03-03
    • US12805816
    • 2010-08-20
    • Jian-Rong ChenDaniel WilsonDaphne Economou
    • Jian-Rong ChenDaniel WilsonDaphne Economou
    • G06F15/16
    • H04L7/02H04L12/18H04L12/185H04L29/06027H04L45/10H04L45/16H04L49/201H04L49/351H04L49/352H04L49/602H04L65/4076H04N21/43632H04N21/6405
    • A packet-based data network including: an audio/video network comprising: a packet-switched network over which data including audio and/or video data packets can be carried; at least one data source connected to the network and operable to assemble packetised data comprising audio/video data at a first resolution and at a second resolution greater than the first resolution, and to transmit data packets carrying multiple audio/video streams at the first resolution by multicast network transmission; at least one client connected to the network, being a data handling device for handling packetised audio/video data and being arranged to join the multicast group to receive the multiple audio/video streams at the first resolution, wherein the client is associated with a graphical user interface configured in conjunction with a processor to select an audio/video stream, and the processor is arranged to issue a unicast command to cause transmission of a selected audio/video stream at the second resolution from the source to the client.
    • 一种基于分组的数据网络,包括:音频/视频网络,包括:分组交换网络,可以在其上承载包括音频和/或视频数据分组的数据; 至少一个数据源连接到网络并且可操作以以第一分辨率和大于第一分辨率的第二分辨率来组合包括音频/视频数据的分组化数据,以及以第一分辨率发送携带多个音频/视频流的数据分组 通过组播网络传输; 连接到网络的至少一个客户端是用于处理分组化音频/视频数据的数据处理设备,并被安排为加入多播组以第一分辨率接收多个音频/视频流,其中客户端与图形相关联 用户界面,其被配置为与处理器配置以选择音频/视频流,并且所述处理器被布置为发布单播命令以使所述第二分辨率的所选音频/视频流从所述源传送到所述客户端。
    • 18. 发明申请
    • Video/audio network
    • 视频/音频网络
    • US20050195823A1
    • 2005-09-08
    • US10507559
    • 2004-01-16
    • Jian-Rong ChenDaniel Wilson
    • Jian-Rong ChenDaniel Wilson
    • H04L12/18H04L12/751H04L12/761H04L12/931H04L29/06H04L12/56H04J3/26H04L12/28
    • H04L7/02H04L12/18H04L12/185H04L29/06027H04L45/10H04L45/16H04L49/201H04L49/351H04L49/352H04L49/602H04L65/4076H04N21/43632H04N21/6405
    • A packet-based data network comprises: a packet-based network switch; a plurality of packetised data sources coupled to the network, the packetised data comprising at least one of audio data or video data; at least one destination, being a data handling device for handling data from the packetised data sources, coupled to the network; and a network control arrangement coupled to the network, the network control arrangement being arranged to provide virtual circuit-switched connections for transfer of packetised data from sources to destinations via the network switch by: a) assigning multicast group identifiers to the sources, so that the sources launch packetised data onto the network as multicast data packets identified by the multicast group identifiers; and b) instructing a destination to issue a request to the network switch to join the multicast group of a source so as to receive data packets from that source.
    • 基于分组的数据网络包括:基于分组的网络交换机; 耦合到所述网络的多个打包数据源,所述打包数据包括音频数据或视频数据中的至少一个; 至少一个目的地,是用于处理耦合到所述网络的来自所述打包数据源的数据的数据处理装置; 以及耦合到所述网络的网络控制装置,所述网络控制装置被布置成通过以下方式提供虚拟电路交换连接,用于经由所述网络交换机从源传送到目的地的分组数据:a)向所述源分配多播组标识符,使得 源将分组数据发送到网络,作为由多播组标识符标识的多播数据分组; 以及b)指示目的地向网络交换机发出请求以加入源的多播组,以便从该源接收数据分组。