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    DYNAMIC FRAGMENTATION OF DIGITAL MEDIA
    1.
    发明申请
    DYNAMIC FRAGMENTATION OF DIGITAL MEDIA 审中-公开

    公开(公告)号：WO2010051169A3

    公开(公告)日：2010-05-06

    申请号：PCT/US2009/060984

    申请日：2009-10-16

    Applicant: MICROSOFT CORPORATION

    Inventor： BOCHAROV, John, A. ,  ZHANG, Geqiang ,  VIRDI, Gurpratap ,  SOOD, Vishal

    IPC: G06F15/16 ,  G06Q50/00

    Abstract: Media fragmentation may be provided. First, a request for a manifest may be received from a client. Then, in response to the received request for the manifest, the manifest may be sent to the client. Next, a request may be received from the client for a file fragment. The request may indicate a start time and an end time corresponding to the file fragment. The request may be in a format defined by the manifest. Then a lookup table may be queried for a first byte location in a media file corresponding to the start time and a second byte location in the media file corresponding to the end time. Next, a portion of the media file between the first byte location and the second byte location may be extracted from the media file. The portion may comprise the file fragment. The file fragment may be sent to the client.

    DYNAMICALLY BALANCING USER EXPERIENCES IN A MULTI-USER COMPUTING SYSTEM
    2.
    发明申请
    DYNAMICALLY BALANCING USER EXPERIENCES IN A MULTI-USER COMPUTING SYSTEM 审中-公开
    在多用户计算系统中动态平衡用户体验

    公开(公告)号：WO2007018919A2

    公开(公告)日：2007-02-15

    申请号：PCT/US2006/026956

    申请日：2006-07-11

    Applicant: MICROSOFT CORPORATION

    Inventor： BOWRA, Todd ,  DAVIS, Jeffrey ,  VIRDI, Gurpratap ,  FANG, Nicholas

    IPC: G06F15/173

    CPC classification number: H04L29/06027 ,  G06F9/50 ,  G06F11/3433 ,  G06F2209/504 ,  H04L12/2803 ,  H04L12/2821 ,  H04L43/0817 ,  H04L65/80 ,  H04L2012/2849 ,  Y02D10/22

    Abstract: A media experience policy engine includes three components: an information manager, a policy evaluator, and an enforcement module. The information manager collects information regarding the current state of a media delivery system, such as, for example, usage of a CPU, memory, hard disk, (I/O) interface, and a network. This collected data is then verified by the policy evaluator to see if resource contention is, or is close to, occurring. If so, existing or potential conflicts are dealt with by the enforcement module, which applies corrections, such as, for example, limiting the access of later chronologic users, or degrading the user experience of all users, in accordance with a desired policy in order to vitiate the resource contention and maintain a user experience consistent with the desired policy.

    Abstract translation: 媒体体验策略引擎包括三个组件：信息管理器，策略评估器和执行模块。 信息管理器收集关于媒体传送系统的当前状态的信息，例如CPU，存储器，硬盘（I / O）接口和网络的使用。 然后，该收集的数据由策略评估器进行验证，以查看资源争用是否发生。 如果是这样，现有或潜在的冲突由执行模块处理，执行模块根据期望的策略按照顺序进行更正，例如限制后续时间表用户的访问或降级所有用户的用户体验 破坏资源争用并保持与所需策略一致的用户体验。

    PROTECTING ELEMENTARY STREAM CONTENT
    5.
    发明申请
    PROTECTING ELEMENTARY STREAM CONTENT 审中-公开

    公开(公告)号：WO2007022038A3

    公开(公告)日：2007-02-22

    申请号：PCT/US2006/031556

    申请日：2006-08-10

    Applicant: MICROSOFT CORPORATION

    Inventor： VIRDI, Gurpratap ,  OLIVEIRA, Eduardo, P. ,  KLEMETS, Anders, E. ,  PRITCHETT, Thaddeus, C.

    IPC: H04N7/167

    Abstract: Protecting elementary stream media content is described. In one aspect, Media Access Units (MAUs) of elementary stream content are identified. Each MAU includes one or more data segments representing a single video or audio frame. Encryption boundaries are selected for each MAU. The encryption boundaries are based on one or more data segments associated with the respective MAU. Portions of each MAU are encrypted based on corresponding encryption boundaries. Each MAU is mapped to a MAU Payload Format. The MAU Payload Format allows a media consumer to process each elementary stream associated with the elementary stream content independent of any different elementary stream. The MAU Payload Format also allows a media consumer to process each MAU in an elementary stream independent of any other MAU.

    FLOW CONTROL FOR MEDIA STREAMING
    6.
    发明申请
    FLOW CONTROL FOR MEDIA STREAMING 审中-公开
    流媒体流量控制

    公开(公告)号：WO2006127391A2

    公开(公告)日：2006-11-30

    申请号：PCT/US2006/019243

    申请日：2006-05-18

    Applicant: MICROSOFT CORPORATION

    Inventor： VIRDI, Gurpratap ,  KLEMETS, Anders E.

    IPC: G06F5/00

    CPC classification number: H04L29/06027 ,  H04L47/263 ,  H04L47/30 ,  H04L65/4092 ,  H04L65/80 ,  H04N21/23406 ,  H04N21/2401 ,  H04N21/438 ,  H04N21/44004 ,  H04N21/6373 ,  H04N21/6437

    Abstract: A client device receives streaming content from a host device. The streaming content is placed in one or more buffers prior to processing. Monitoring as to the capacity and fullness of the buffers is performed at the client device and information is sent to the host device. The host device adjusts the rate or flow of the streaming content based on the information provided by the client device.

    Abstract translation: 客户端设备从主机设备接收流内容。 在处理之前，将流内容放置在一个或多个缓冲器中。 关于缓冲器的容量和充满度的监视在客户端设备处执行，信息被发送到主机设备。 主机设备根据客户端设备提供的信息来调整流媒体内容的速率或流量。

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