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    • 1. 发明授权
    • Method and apparatus for providing full duplex and multipoint IP audio streaming
    • 用于提供全双工和多点IP音频流的方法和装置
    • US07313593B1
    • 2007-12-25
    • US09695193
    • 2000-10-24
    • Brian PulitoMark JohnsonBrian ClineJeff DurhamMark KressinAndrew Lochbaum
    • Brian PulitoMark JohnsonBrian ClineJeff DurhamMark KressinAndrew Lochbaum
    • G06F15/16
    • G06Q10/10
    • A conference server enables collaborative communications among a variety of client processes of varying configurations all operatively coupled over a computer network to each other and to the server. The server receives audio streams from participating client processes in a conference, selects which audio streams are active, and broadcasts one or more of the active audio streams to the client processes participating in the conference depending on the clients receiving capabilities and the conference parameters. The client processes receiving multiple active audio streams perform mixing locally at the client node. Without having to perform mixing at the server, resources are saved and the number of simultaneous participating client processes to the conference may be increased accordingly. The server is further capable of simultaneously accommodating multipoint clients and non-multipoint H.323 clients, as well as operating in multiway and “push to talk” modes.
    • 会议服务器实现各种各样的配置的客户端进程之间的协作通信,这些配置都可以通过计算机网络彼此和服务器可操作地耦合。 服务器在会议中从参与的客户端进程接收音频流,选择哪些音频流是活动的,并且根据客户端的接收能力和会议参数,向参与会议的客户端进程广播一个或多个活动音频流。 接收多个活动音频流的客户端进程在客户端节点处本地进行混合。 无需在服务器上执行混合,节省资源,并可以相应地增加同时参与的会议客户端进程的数量。 该服务器还能够同时容纳多点客户端和非多点H.323客户端,以及以多路和“一键通”方式运行。