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1. 发明申请

WO2010108053A1 METHOD FOR SCALABLE LIVE STREAMING DELIVERY FOR MOBILE AUDIENCES 审中-公开
标题翻译：用于移动移动终端的可扩展流媒体传送方法
公开(公告)号：WO2010108053A1
公开(公告)日：2010-09-23
申请号：PCT/US2010/027893
申请日：2010-03-19
申请人： AZUKI SYSTEMS, INC. , MA, Kevin, J. , XU, Jianguo , NG, Tung , NAIR, Raj , LIN, Ichang , LI, Man
发明人： MA, Kevin, J. , XU, Jianguo , NG, Tung , NAIR, Raj , LIN, Ichang , LI, Man
IPC分类号： G06F15/16
CPC分类号： H04L65/607 , H04L65/4076 , H04L65/605 , H04L65/608 , H04L67/02 , H04N21/44209 , H04N21/6125 , H04N21/631 , H04N21/6373 , H04N21/64322 , H04N21/6437 , H04N21/8456
摘要： A live streaming system/method provides cross platform live streaming capabilities to mobile devices. A file format compatible with legacy HTTP infrastructure is used to deliver media over a persistent connection. Legacy client media players can dynamically change the encoded rate of the media delivered over a persistent connection. Standard HTTP servers may be used without modification, leveraging standard media players embedded in mobile devices for seamless media delivery over wireless networks with high bandwidth fluctuations.
摘要翻译：实时流式传输系统/方法为移动设备提供跨平台直播流功能。与传统HTTP基础架构兼容的文件格式用于通过持久连接传递媒体。传统的客户端媒体播放器可以动态地改变通过持久连接传递的媒体的编码速率。可以使用标准的HTTP服务器，无需修改，利用嵌入在移动设备中的标准媒体播放器，通过无线网络实现高带宽波动的无缝媒体传输。

2. 发明申请

WO1997010656A1 TRANSMITTER CONTROLLED FLOW CONTROL FOR BUFFER ALLOCATION IN WIDE AREA ATM NETWORKS 审中-公开
标题翻译：发送机控制流量控制在宽域ATM网络中的缓冲区分配
公开(公告)号：WO1997010656A1
公开(公告)日：1997-03-20
申请号：PCT/US1996014433
申请日：1996-09-13
申请人： ASCOM NEXION INC. , NAIR, Raj, Krishnan , HUNT, Douglas, H.
发明人： ASCOM NEXION INC.
IPC分类号： H04J03/24
CPC分类号： H04L12/5602 , H04J3/247 , H04L2012/5619 , H04L2012/5636
摘要： A flow control technique for wide area ATM networks is disclosed in which allocation of buffers in a receiver switch (10) is controlled by a transmitter switch (12). The receiver switch (10) periodically transmits feedback messages to the transmitter switch (12) indicative of the state of the fullness of the receiver switch buffers (32). The transmitter switch (12) calculates updated receiver buffer fullness based upon the feedback message and the number of cells (16) transmitted from the transmitter switch (12) to the receiver switch (10) since the feedback message was sent. Transmission of cells (22) from the transmitter switch (12) to the receiver switch (10) is then controlled in accordance with an allocation technique, thereby allocating buffers (32) in the receiving switch (10). The technique may be a roll-off technique in which the number of buffers (32) available to each flow in the transmitter switch (12) is reduced geometrically as the updated receiver buffer state is calculated to be more full. The flow control technique may be applied on either a per link or per flow basis.
摘要翻译：公开了一种用于广域ATM网络的流控制技术，其中接收器开关（10）中的缓冲器的分配由发射机开关（12）控制。接收器开关（10）周期性地将反馈消息发送到指示接收器开关缓冲器（32）的充满状态的发射器开关（12）。发送器开关（12）根据反馈消息和从发送器开关（12）发送到接收器开关（10）的单元（16）的数量，计算更新的接收器缓冲器充满度。然后根据分配技术来控制从发射机交换机（12）向接收机交换机（10）发送小区（22），由此在接收交换机（10）中分配缓冲区（32）。该技术可以是滚降技术，其中当更新的接收器缓冲器状态被计算为更加满时，在发射器开关（12）中的每个流可用的缓冲器（32）的数量几何地减小。流控制技术可以在每个链路或每个流的基础上应用。

3. 发明申请

WO2011020088A1 METHOD AND SYSTEM FOR UNIFIED MOBILE CONTENT PROTECTION 审中-公开
标题翻译：用于统一移动内容保护的方法和系统
公开(公告)号：WO2011020088A1
公开(公告)日：2011-02-17
申请号：PCT/US2010/045596
申请日：2010-08-16
申请人： AZUKI SYSTEMS, INC. , NAIR, Raj , MIKHAILOV, Mikhail
发明人： NAIR, Raj , MIKHAILOV, Mikhail
IPC分类号： H04W4/00
CPC分类号： G06F21/10 , G06F2221/2107 , G06Q50/184 , H04L9/0631 , H04L9/0656 , H04L9/0838 , H04L9/0866 , H04L9/30 , H04L63/0428 , H04L65/4084 , H04L67/10 , H04L2209/603 , H04L2463/101 , H04N7/1675 , H04N7/17318 , H04N21/2347 , H04N21/2351 , H04N21/25816 , H04N21/26613 , H04N21/41407 , H04N21/42684 , H04N21/4353 , H04N21/4405 , H04N21/4627 , H04N21/6125 , H04N21/63345 , H04N21/6582 , H04N21/835 , H04N21/8456
摘要： Media content is delivered to a variety of mobile devices in a protected manner based on client-server architecture with a symmetric (private-key) encryption scheme. A media preparation server (MPS) encrypts media content and publishes and stores it on a content delivery server (CDS), such as a server in a content distribution network (CDN). Client devices can freely obtain the media content from the CDS and can also freely distribute the media content further. They cannot, however, play the content without first obtaining a decryption key and license. Access to decryption keys is via a centralized rights manager, providing a desired level of DRM control.
摘要翻译：基于具有对称（私钥）加密方案的客户机 - 服务器架构，媒体内容以受保护的方式传送到各种移动设备。媒体准备服务器（MPS）加密媒体内容并将其发布并存储在诸如内容分发网络（CDN）中的服务器的内容递送服务器（CDS）上。客户端设备可以从CDS自由获取媒体内容，还可以进一步自由地分发媒体内容。然而，他们不能在没有首先获得解密密钥和许可证的情况下播放内容。访问解密密钥是通过集中权限管理器提供所需级别的DRM控制。

4. 发明申请

WO2009097492A1 MEDIA NAVIGATION SYSTEM 审中-公开
标题翻译：媒体导航系统
公开(公告)号：WO2009097492A1
公开(公告)日：2009-08-06
申请号：PCT/US2009/032565
申请日：2009-01-30
申请人： AZUKI SYSTEMS, INC. , ROBERTS, Andrew F. , NAIR, Raj
发明人： ROBERTS, Andrew F. , NAIR, Raj
IPC分类号： G05B11/01
CPC分类号： G06F17/30053 , G06F17/30064 , G06F17/30852 , G06Q30/0277 , G11B27/105 , G11B27/34 , H04N5/445 , H04N21/234363 , H04N21/26258 , H04N21/4312 , H04N21/4314 , H04N21/47217 , H04N21/4722 , H04N21/4725 , H04N21/4728 , H04N21/6547 , H04N21/6587 , H04N21/812 , H04N21/84 , H04N21/8455 , H04N21/8456 , H04N21/8543 , H04N21/8586
摘要： A media navigation system provides a user interface for navigating and interacting with streamed media objects, including video. The system may employ media markers representing time locations within a media file in addition to images or other representations derived from the media object. The system displays a tile layout representing a sequence of the media at an interval comprising a set of sub intervals corresponding to the tiles, and enables a user to click on the tiles to navigate to a next set of tiles which correspond to a different interval, and which replace the currently displayed tiles on the display. Navigation can include zooming in (smaller interval), zooming out (larger interval) and 'panning' (preceding or succeeding interval) at arbitrary intervals. Individual tiles may also include visual indicators of relative importance or activity such as the number of comments associated with a sub interval.
摘要翻译：媒体导航系统提供用于导航和与流媒体对象（包括视频）交互的用户界面。除了从媒体对象导出的图像或其他表示之外，系统还可以使用表示媒体文件内的时间位置的媒体标记。系统以包括与瓦片对应的一组子间隔的间隔显示表示介质序列的瓦片布局，并且使得用户能够点击瓦片以导航到对应于不同间隔的下一组瓦片，并且替换显示器上当前显示的瓦片。导航可以包括以任意间隔放大（较小间隔），缩小（较大间隔）和“平移”（前一个或后续间隔）。单个瓦片还可以包括相对重要性或活动的视觉指示符，例如与子间隔相关联的评论的数量。

5. 发明申请

WO2011139305A1 METHOD AND APPARATUS FOR CARRIER CONTROLLED DYNAMIC RATE ADAPTATION AND CLIENT PLAYOUT RATE REDUCTION 审中-公开
标题翻译：载体控制动态速率适应和客户播放速率降低的方法与装置
公开(公告)号：WO2011139305A1
公开(公告)日：2011-11-10
申请号：PCT/US2010/060317
申请日：2010-12-14
申请人： AZUKI SYSTEMS, INC. , MA, Kevin J. , NAIR, Raj , HICKEY, Robert , XU, Jianguo
发明人： MA, Kevin J. , NAIR, Raj , HICKEY, Robert , XU, Jianguo
IPC分类号： H04N7/12
CPC分类号： H04L65/60 , H04L29/0809 , H04L29/08099 , H04L65/103 , H04L65/105 , H04L65/602 , H04L67/02 , H04L67/2842 , H04L67/2847 , H04N21/222 , H04N21/6405 , H04N21/64738
摘要： A method and system is provided for controlling bandwidth rate limiting and client rendering rate limiting in a video delivery network. The method provides network service providers with a means for overriding video delivery data rates selected through dynamic client bitrate adaptation, as well as video data rendering rates of the clients, to limit the impact of network congestion. A system is also specified for implementing a client and a proxy computer in accordance with the method. The system works transparently with standard HTTP-based video delivery systems and includes an HTTP proxy cache infrastructure to support bandwidth rate limiting and client rending rate limiting. The system further provides for administrative overrides of client bitrate selection and client bandwidth usage.
摘要翻译：提供了一种用于控制视频传送网络中的带宽速率限制和客户端渲染速率限制的方法和系统。该方法为网络服务提供商提供了覆盖通过动态客户端比特率适配选择的视频传送数据速率以及客户端的视频数据呈现速率的手段，以限制网络拥塞的影响。还指定了根据该方法实现客户机和代理计算机的系统。该系统使用标准的基于HTTP的视频传送系统透明地工作，并且包括一个HTTP代理缓存架构，以支持带宽速率限制和客户端渲染速率限制。该系统进一步提供客户端比特率选择和客户端带宽使用的管理覆盖。

6. 发明申请

WO2010111261A1 METHOD AND SYSTEM FOR EFFICIENT STREAMING VIDEO DYNAMIC RATE ADAPTATION 审中-公开
标题翻译：用于有效流动视频动态速率适应的方法和系统
公开(公告)号：WO2010111261A1
公开(公告)日：2010-09-30
申请号：PCT/US2010/028309
申请日：2010-03-23
申请人： AZUKI SYSTEMS, INC. , MA, Kevin J. , XU, Jianguo , NG, Tung , NAIR, Raj , LIN, Ichang , WU, Chin-Cheng
发明人： MA, Kevin J. , XU, Jianguo , NG, Tung , NAIR, Raj , LIN, Ichang , WU, Chin-Cheng
IPC分类号： G06F15/16
CPC分类号： H04L65/607 , G06Q30/0241 , H04L43/0876 , H04L43/0882 , H04L65/4069 , H04L65/608 , H04L65/80 , H04L67/02 , H04L67/32 , H04L69/16
摘要： A streaming media system employs dynamic rate adaptation. The method includes a file format compatible with legacy HTTP infrastructure to deliver media over a persistent connection. The method further includes the ability for legacy client media players to dynamically change the encoded delivery rate of the media over a persistent connection. The method provided works transparently with standard HTTP servers, requiring no modification and leverages standard media players embedded in mobile devices for seamless media delivery over wireless networks with high bandwidth fluctuations. A system is also specified for implementing a client and server in accordance with the method.
摘要翻译：流媒体系统采用动态速率适配。该方法包括与传统HTTP基础设施兼容的文件格式，以通过持久连接传递媒体。该方法还包括传统客户端媒体播放器通过持久连接来动态地改变媒体的编码传送速率的能力。所提供的方法与标准HTTP服务器透明地工作，不需要修改，并利用嵌入在移动设备中的标准媒体播放器，通过具有高带宽波动的无线网络进行无缝媒体传输。还指定了根据该方法实现客户端和服务器的系统。

7. 发明申请

WO2009149063A1 MEDIA MASHUP SYSTEM 审中-公开
标题翻译：媒体混搭系统
公开(公告)号：WO2009149063A1
公开(公告)日：2009-12-10
申请号：PCT/US2009/045939
申请日：2009-06-02
申请人： AZUKI SYSTEMS, INC. , NAIR, Raj , ROBERTS, Andrew, F. , LIN, Ichang
发明人： NAIR, Raj , ROBERTS, Andrew, F. , LIN, Ichang
IPC分类号： G06F15/16
CPC分类号： G06F8/38 , H04L65/4084 , H04L65/602 , H04L67/04 , H04L67/20
摘要： A media mashup system functions as a virtualizable endpoint called an Intelligent Multimedia Pod, or IMP, that ensures a reliable and high-quality multimedia user-experience for a variety of mobile user devices such as intelligent phones etc. The media mashup platform uses a web 2.0 media mashup model that offers several key features including Near Real Time (NRT) service continuity, control-proxy for a mobile-friendly web-surfing experience, finely-filtered content aggregation based on meta-data, context sensors and buddy blaster content sharing / recommendation. These features are brought together using a web 2.0 service mashup model that integrates media meta-data together with various context sensors including mobility-related sensors such as location and presence, time-of-day, voice commands, as well as time-shifted playback.
摘要翻译：媒体混搭系统充当虚拟化端点，称为智能多媒体荚或IMP，可确保为各种移动用户设备（如智能手机等）提供可靠和高质量的多媒体用户体验。媒体混搭平台使用网络 2.0媒体混搭模式提供了几个关键功能，包括近实时（NRT）服务连续性，适用于移动友好的网络冲浪体验的控制代理，基于元数据的精细过滤的内容聚合，上下文传感器和Buddy Blaster内容共享 /推荐。这些功能使用Web 2.0服务混搭模型汇集在一起，该模型将媒体元数据与各种上下文传感器集成，包括移动性相关的传感器，如位置和状态，时间，语音命令以及时移播放。

8. 发明申请

WO2011068784A1 METHOD AND SYSTEM FOR SECURE AND RELIABLE VIDEO STREAMING WITH RATE ADAPTATION 审中-公开
标题翻译：用于安全和可靠的视频流与速率适应的方法和系统
公开(公告)号：WO2011068784A1
公开(公告)日：2011-06-09
申请号：PCT/US2010/058306
申请日：2010-11-30
申请人： AZUKI SYSTEMS, INC. , MA, Kevin J. , BARTOS, Radim , XU, Jianguo , NAIR, Raj , HICKEY, Robert , LIN, IChang
发明人： MA, Kevin J. , BARTOS, Radim , XU, Jianguo , NAIR, Raj , HICKEY, Robert , LIN, IChang
IPC分类号： G06F15/173
CPC分类号： H04N21/6125 , H04L63/0428 , H04L65/4015 , H04L65/4084 , H04L65/602 , H04L65/608 , H04L65/80 , H04N21/23418 , H04N21/64322
摘要： A system for media delivery includes a server-side proxy for aggregating and encrypting stream data for efficient HTTP-based distribution over an unsecured network. A client-side proxy decrypts and distributes the encapsulated stream data to client devices. A multicast-based infrastructure may be used for increased scalability. The encoded rate of the media delivered over the persistent HTTP proxy connections may be dynamically adapted. The client-side proxy may be integrated within a mobile device for maximum network security and reliability.
摘要翻译：用于媒体传送的系统包括用于聚合和加密流数据的服务器端代理，用于通过不安全网络进行高效的基于HTTP的分发。客户端代理将封装的流数据解密并分发给客户端设备。可以使用基于组播的基础设施来提高可扩展性。通过持久HTTP代理连接传递的媒体的编码速率可以动态调整。客户端代理可以集成在移动设备内，以实现最大的网络安全性和可靠性。

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