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    Multicast distribution of streaming multimedia content
    1.
    发明授权
    Multicast distribution of streaming multimedia content 有权
    流媒体内容的组播分发

    公开(公告)号：US07324542B2

    公开(公告)日：2008-01-29

    申请号：US11037122

    申请日：2005-01-19

    申请人： Jeff Furlong ,  Robert Laughlin Cookson

    发明人： Jeff Furlong ,  Robert Laughlin Cookson

    IPC分类号： H04J3/26

    CPC分类号： H04L12/18 ,  H04L12/1877

    摘要： For offering entertainment services by video streaming content to users, a video encoder creates the required .nsc file for each broadcast channel. This .nsc file is retrieved and stored on a server which notifies each set-top box in the field, via a multicast notifier of the availability of the new service. This notifier contains the multicast address and port to where the .nsc files are being streamed. Once the set-top box retrieves this notification, it attempts to join the dedicated multicast stream, download the .nsc files and store them locally in memory on the set-top box. When a user selects a broadcast channel from their lineup, the set-top box will access the local file to obtain the proper information about that particular ASF stream; hence, it will not have to do an HTTP retrieval.

    摘要翻译： 为了通过视频流内容向用户提供娱乐服务，视频编码器为每个广播频道创建所需的.nsc文件。 该.nsc文件被检索并存储在服务器上，该服务器通过新服务的可用性的多播通知器通知该字段中的每个机顶盒。 此通知程序包含传播.nsc文件所在的多播地址和端口。 一旦机顶盒检索到此通知，它将尝试加入专用的多播流，下载.nsc文件并将其存储在机顶盒的内存中。 当用户从其阵容中选择广播频道时，机顶盒将访问本地文件以获取关于该特定ASF流的适当信息; 因此，它不需要进行HTTP检索。

    Client side pid translation
    5.
    发明申请
    Client side pid translation 有权
    客户端pid翻译

    公开(公告)号：US20070098005A1

    公开(公告)日：2007-05-03

    申请号：US11264132

    申请日：2005-11-02

    申请人： Jeff Furlong ,  Alistair Parker ,  Sean Higgins ,  Gino Dion

    发明人： Jeff Furlong ,  Alistair Parker ,  Sean Higgins ,  Gino Dion

    IPC分类号： H04J3/16

    CPC分类号： H04L65/4076 ,  H04L65/4084 ,  H04L65/607 ,  H04L65/80 ,  H04N21/4344 ,  H04N21/4384

    摘要： In a system that provides decoding of A/V streams, this invention reduces switching delays between different streams by modifying the Program Identification (PID) values of the Audio and Video data to common PID values that are already known by the decoder. This technique allows the decoder to stay in a run state when switching between A/V streams, thereby reducing channel change times.

    摘要翻译： 在提供A / V流解码的系统中，本发明通过将音频和视频数据的程序识别（PID）值修改为解码器已知的公共PID值来减少不同流之间的切换延迟。 这种技术允许解码器在A / V流之间切换时保持在运行状态，从而减少信道改变时间。

    Method and system for accessing programs from multiple triple play service listings
    6.
    发明申请
    Method and system for accessing programs from multiple triple play service listings 审中-公开
    用于从多个三重播放服务列表访问节目的方法和系统

    公开(公告)号：US20070261085A1

    公开(公告)日：2007-11-08

    申请号：US11418132

    申请日：2006-05-05

    申请人： Robert Beaton ,  Karen McKinley ,  Jeff Furlong

    发明人： Robert Beaton ,  Karen McKinley ,  Jeff Furlong

    IPC分类号： H04N7/173 ,  G06F3/00 ,  H04N5/445

    CPC分类号： H04N5/44543 ,  H04N21/4532 ,  H04N21/482 ,  H04N21/4825 ,  H04N21/4826 ,  H04N21/8126 ,  H04N21/84

    摘要： A method for accessing triple play programs provided through a server over a network to a data processing system, the method comprising: receiving respective signals selecting one or more programs from respective program listings for each of one or more triple play services; composing a list of selected programs from the one or more programs; and, displaying the list of selected programs on a display screen of the data processing system, whereby a user may access one or more programs by selecting from the list of selected programs.

    摘要翻译： 一种用于访问通过网络通过服务器提供到数据处理系统的三重播放节目的方法，所述方法包括：从一个或多个节目列表中选择一个或多个节目，从一个或多个三重播放服务中的每一个选择一个或多个节目; 从一个或多个程序中组成选定程序的列表; 以及在所述数据处理系统的显示屏幕上显示所选择的节目的列表，由此用户可以通过从所选节目列表中进行选择来访问一个或多个节目。

    Portable contextual menu for triple play service
    7.
    发明申请
    Portable contextual menu for triple play service 有权
    三重播放服务的便携式上下文菜单

    公开(公告)号：US20070260708A1

    公开(公告)日：2007-11-08

    申请号：US11418134

    申请日：2006-05-05

    申请人： Robert Beaton ,  Jeff Furlong ,  Alistair Parker

    发明人： Robert Beaton ,  Jeff Furlong ,  Alistair Parker

    IPC分类号： G06F15/16

    CPC分类号： H04N5/445 ,  H04N21/25841 ,  H04N21/25891 ,  H04N21/26291 ,  H04N21/2665 ,  H04N21/4131 ,  H04N21/41407 ,  H04N21/42202 ,  H04N21/4227 ,  H04N21/4524 ,  H04N21/4532 ,  H04N21/4622 ,  H04N21/478 ,  H04N21/64322 ,  H04N21/6582

    摘要： A method for accessing triple play services provided through a server over a network to a portable device, the method comprising: receiving a signal from a user defining respective preference levels for the triple play services; determining a location for the portable device; determining which of the triple play services are available at the location; composing a list of available services at the location, the available services in the list being ordered in accordance with the respective preference levels; and, displaying the list on a display screen of the portable device, whereby the user may access the available services by selecting from the list.

    摘要翻译： 一种用于访问通过网络通过服务器提供给便携式设备的三重播放服务的方法，所述方法包括：从定义用于所述三重播放服务的各个偏好级别的用户接收信号; 确定便携式设备的位置; 确定在该位置可用的三重播放服务中的哪一个; 在该位置组成可用服务的列表，列表中可用的服务按照各自的偏好级别进行排序; 以及在所述便携式设备的显示屏幕上显示所述列表，由此所述用户可以通过从所述列表中进行选择来访问所述可用服务。

    Milestone synchronization in broadcast multimedia streams
    9.
    发明申请
    Milestone synchronization in broadcast multimedia streams 有权
    广播多媒体流中的里程碑同步

    公开(公告)号：US20060242240A1

    公开(公告)日：2006-10-26

    申请号：US11090308

    申请日：2005-03-28

    申请人： Alistair Parker ,  Jeff Furlong ,  Gino Dion ,  Sean Higgins ,  Richard Bettelheim ,  Christian Boven

    发明人： Alistair Parker ,  Jeff Furlong ,  Gino Dion ,  Sean Higgins ,  Richard Bettelheim ,  Christian Boven

    IPC分类号： G06F15/16

    CPC分类号： H04N21/6581 ,  H04N7/17318 ,  H04N21/23406 ,  H04N21/2362 ,  H04N21/4384 ,  H04N21/6405 ,  H04N21/6408 ,  H04N21/8455

    摘要： A server at the edge of a broadband network distributes multimedia content streams to clients, while ensuring that the first data delivered to each client is key data (milestones) needed for correctly decoding the stream content. This is obtained by buffering the packets in the incoming stream and transmitting the packets from the buffer in an outgoing stream, starting with the most recent milestone placed in the buffer before a request to join the respective incoming stream is received. As the writing to and reading from the buffer are performed at different rates, the incoming and outgoing streams are eventually synchronized, at which point the client may be switched to receive the incoming stream directly.

    摘要翻译： 宽带网络边缘的服务器将多媒体内容流分发到客户端，同时确保传送给每个客户端的第一个数据是正确解码流内容所需的关键数据（里程碑）。 这是通过缓冲输入流中的数据包，并从输出流中的缓冲区中传送数据包，从接收到相应输入流的请求之前的缓冲区中最新的里程碑开始。 当以不同的速率执行对缓冲器的写入和读取时，输入和输出流最终被同步，在这一点上，客户端可以被直接切换以接收输入流。