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    • 2. 发明授权
    • Method and system for providing an analog voice-only endpoint with
pseudo multimedia service
    • 用于提供具有伪多媒体服务的模拟语音端点的方法和系统
    • US6020915A
    • 2000-02-01
    • US735286
    • 1996-10-22
    • Richard Frank BrunoHoward Paul KatseffRobert Edward MarkowitzJoseph Thomas O'NeilBethany Scott RobinsonKenneth H. Rosen
    • Richard Frank BrunoHoward Paul KatseffRobert Edward MarkowitzJoseph Thomas O'NeilBethany Scott RobinsonKenneth H. Rosen
    • H04M3/56H04M11/00H04N7/14H04N7/15H04M3/42
    • H04M3/42221H04M3/567H04N7/142H04N7/147H04N7/15H04N7/152H04M2201/41
    • An enduser at a POTS analog voice-only endpoint (136) and endusers at H.320 standard multimedia terminals (101, 102, 103, 104), which each communicate over separate voice, video and data streams, engage in a videoconference with each other in a pseudo multimedia manner through a central platform (135) that provides call conversion capabilities. A document to be shared by a user at the POTS endpoint with users at the multimedia endpoints is transmitted as a data signal from a facsimile machine (137) or PC terminal (138) associated with the POTS user to a server (146) in the platform. The received data signal is then inputted to a multimedia bridge (124) and transmitted on the data stream to each multimedia endpoint for display on a window on each multimedia terminal. Similarly, a document to be shared by a multimedia endpoint is transmitted on a data stream to the multimedia bridge, where it is bridged on the data stream transmitted to the other multimedia endpoints and to the server. The document is then transmitted from the server to the facsimile machine or PC terminal associated with the POTS endpoint. In conventional multimedia conferencing arrangements, voice-activated switching is used to determine which user's video image is bridged onto the video stream transmitted to each multimedia terminal. When the audio signal from the POTS user would cause a video signal from that user's terminal to be bridged to all the multimedia endpoints if in fact that user was at a multimedia terminal, a stored image of that user is retrieved from a database (151) and outputted by the bridge on the video stream transmitted to each multimedia terminal to enable the multimedia participants to visually identify the presently talking enduser.
    • POTS模拟语音终端(136)的终端用户和H.320标准多媒体终端(101,102,103,104)中的终端用户,每个终端用户通过单独的语音,视频和数据流进行通信,与每个终端 其他以伪多媒体方式通过提供呼叫转换能力的中央平台(135)。 在POTS端点处用户在多媒体端点处与用户共享的文档作为来自与POTS用户相关联的传真机(137)或PC终端(138)的数据信号发送到服务器(146) 平台。 然后将所接收的数据信号输入到多媒体网桥(124),并将数据流发送到每个多媒体终端,以在每个多媒体终端的窗口上显示。 类似地,要由多媒体端点共享的文档在数据流上被传送到多媒体网桥,其中桥接在传输到其他多媒体端点的数据流和服务器上。 然后,该文件从服务器发送到与POTS端点相关联的传真机或PC终端。 在传统的多媒体会议装置中,使用语音激活的切换来确定哪个用户的视频图像被桥接到传输到每个多媒体终端的视频流上。 当来自POTS用户的音频信号将导致来自该用户终端的视频信号被桥接到所有的多媒体端点,如果实际上该用户在多媒体终端,则从数据库(151)检索该用户的存储图像, 并由桥上输出的视频流传输到每个多媒体终端,以使多媒体参与者可视地识别当前正在讨论的最终用户。
    • 7. 发明授权
    • Proxy apparatus and method for streaming media information and for increasing the quality of stored media information
    • 用于流媒体信息和用于提高存储的媒体信息的质量的代理装置和方法
    • US07565415B1
    • 2009-07-21
    • US12021552
    • 2008-01-29
    • Robert Edward MarkowitzJoseph Thomas O'NeilKenneth H. RosenPeter H. Stuntebeck
    • Robert Edward MarkowitzJoseph Thomas O'NeilKenneth H. RosenPeter H. Stuntebeck
    • G06F15/16
    • H04L65/60H04N21/222H04N21/2265H04N21/23113H04N21/23439H04N21/25833H04N21/2662H04N21/6377H04N21/658H04N21/6581
    • A proxy apparatus and method for streaming media information via at least one network and for building-up a good quality version of the media information. When a user device communicates with the proxy apparatus using a particular bandwidth and requests that media information be provided from a media server, the proxy apparatus first determines if a version of the media information encoded for the user device's connection bandwidth has been stored in the proxy apparatus. If a version of the media information encoded for the user device's bandwidth is not available from the proxy apparatus, the proxy apparatus sends a request to a media server for the media information. Once the media server receives the request, the media server begins to stream a copy of the media information encoded for the user device's bandwidth to the user device via the network and proxy device. If a version of the media information for the bandwidth is not available from the media server, the version for the largest bandwidth that does not exceed the bandwidth of the user device connection, is streamed to the user device. If the version of the media information has missing packets, the proxy device sends retransmission requests to the media server to obtain the missing packets, thereby building-up a good quality version of the media information.
    • 一种用于经由至少一个网络流式传输媒体信息并用于建立媒体信息的高质量版本的代理装置和方法。 当用户设备使用特定带宽与代理设备进行通信并请求从媒体服务器提供媒体信息时,代理设备首先确定为用户设备的连接带宽编码的媒体信息的版本是否已被存储在代理中 仪器。 如果针对用户设备的带宽编码的媒体信息的版本不能从代理设备获得,则代理设备向媒体服务器发送针对媒体信息的请求。 一旦媒体服务器接收到请求,媒体服务器开始通过网络和代理设备将用户设备带宽编码的媒体信息的副本流传输给用户设备。 如果媒体服务器不能获得带宽媒体信息的版本,则将不超过用户设备连接带宽的最大带宽的版本流传输到用户设备。 如果媒体信息的版本丢失了报文,则代理设备向媒体服务器发送重发请求,获取丢失的报文,从而构建出高质量的媒体信息。
    • 8. 发明授权
    • Proxy apparatus and method for streaming media information and for increasing the quality of stored media information
    • 用于流媒体信息和用于提高存储的媒体信息的质量的代理装置和方法
    • US07406497B1
    • 2008-07-29
    • US10676485
    • 2003-10-01
    • Robert Edward MarkowitzJoseph Thomas O'NeilKenneth H. RosenPeter H. Stantebeck
    • Robert Edward MarkowitzJoseph Thomas O'NeilKenneth H. RosenPeter H. Stantebeck
    • G06F15/16H04L1/18
    • H04L65/60H04N21/222H04N21/2265H04N21/23113H04N21/23439H04N21/25833H04N21/2662H04N21/6377H04N21/658H04N21/6581
    • A proxy apparatus and method for streaming media information via at least one network and for building-up a good quality version of the media information. When a user device communicates with the proxy apparatus using a particular bandwidth and requests that media information be provided from a media server, the proxy apparatus first determines if a version of the media information encoded for the user device's connection bandwidth has been stored in the proxy apparatus. If a version of the media information encoded for the user device's bandwidth is not available from the proxy apparatus, the proxy apparatus sends a request to a media server for the media information. Once the media server receives the request, the media server begins to stream a copy of the media information encoded for the user device's bandwidth to the user device via the network and proxy device. If a version of the media information for the bandwidth is not available from the media server, the version for the largest bandwidth that does not exceed the bandwidth of the user device connection, is streamed to the user device. If the version of the media information has missing packets, the proxy device sends retransmission requests to the media server to obtain the missing packets, thereby building-up a good quality version of the media information.
    • 一种用于经由至少一个网络流式传输媒体信息并用于建立媒体信息的高质量版本的代理装置和方法。 当用户设备使用特定带宽与代理设备进行通信并请求从媒体服务器提供媒体信息时,代理设备首先确定为用户设备的连接带宽编码的媒体信息的版本是否已被存储在代理中 仪器。 如果针对用户设备的带宽编码的媒体信息的版本不能从代理设备获得,则代理设备向媒体服务器发送针对媒体信息的请求。 一旦媒体服务器接收到请求,媒体服务器开始通过网络和代理设备将用户设备带宽编码的媒体信息的副本流传输给用户设备。 如果媒体服务器不能获得带宽媒体信息的版本,则将不超过用户设备连接带宽的最大带宽的版本流传输到用户设备。 如果媒体信息的版本丢失了报文,则代理设备向媒体服务器发送重发请求,获取丢失的报文,从而构建出高质量的媒体信息。