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1. 发明授权

US07480701B2 Mixed-media service collections for multimedia platforms 有权
标题翻译：多媒体平台的混合媒体服务收藏
公开(公告)号：US07480701B2
公开(公告)日：2009-01-20
申请号：US11013303
申请日：2004-12-15
申请人： Geoffrey Smith , Daniel J. Zigmond , Dustin L. Green , James Armand Baldwin , Kevin T. Carle , Patrik Schnell , Peter T. Barrett
发明人： Geoffrey Smith , Daniel J. Zigmond , Dustin L. Green , James Armand Baldwin , Kevin T. Carle , Patrik Schnell , Peter T. Barrett
IPC分类号： G06F15/16
CPC分类号： H04N21/4627 , H04N7/167 , H04N21/234327 , H04N21/235 , H04N21/4312 , H04N21/4314 , H04N21/435 , H04N21/443 , H04N21/4516 , H04N21/4532 , H04N21/454 , H04N21/4621 , H04N21/4821 , H04N21/84
摘要： A mixed-media service collection for multimedia platforms allows simultaneous access to various mixed-media services for rendering multimedia content, depending on current client conditions. In one implementation, in response to the client accessing a service collection, for example, by changing channels, only some of the mixed-media services in the service collection are simultaneously actuated based on client conditions. The client conditions may include the availability of subsystems to implement services and the client's authorization to receive services. If client conditions do not allow some services in the service collection to be actuated, then other services in the service collection are available to be actuated instead.
摘要翻译：多媒体平台的混合媒体服务集合允许根据当前的客户端条件同时访问各种混合媒体服务，以呈现多媒体内容。在一个实现中，响应于客户端访问服务集合，例如通过改变信道，仅基于客户端条件同时启动服务集合中的一些混合媒体服务。客户端条件可能包括实现服务的子系统的可用性和客户端接收服务的授权。如果客户端条件不允许服务集合中的一些服务被激活，则服务集合中的其他服务可以被启动。

2. 发明授权

US08514891B2 Media stream splicer 有权
标题翻译：媒体流拼接器
公开(公告)号：US08514891B2
公开(公告)日：2013-08-20
申请号：US12210590
申请日：2008-09-15
申请人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
发明人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
IPC分类号： H04H20/28 , H04N7/173
CPC分类号： H04L65/605 , H04L29/06027 , H04L65/4076 , H04N5/4401 , H04N5/50 , H04N21/23424 , H04N21/26616 , H04N21/4263 , H04N21/4383 , H04N21/4384 , H04N21/44016 , H04N21/6405 , H04N21/6408
摘要： An implementation is described herein, which facilitates a fast channel change by receiving and decoding a unicast acquisition media stream that corresponds to a soon-to-be-requested target multicast media stream. It does this before requesting the target multicast media stream of the new channel. Once the transmission of the unicast stream is caught up with the multicast stream, this implementation splices from the unicast acquisition stream to the target multicast media stream.
摘要翻译：本文描述了一种实现方式，其通过接收和解码对应于即将被要求的目标多播媒体流的单播获取媒体流来促进快速信道改变。它在请求新频道的目标多播媒体流之前执行此操作。一旦单播流的传输被多播流捕获，则该实现从单播获取流到目标多播媒体流。

3. 发明授权

US07430222B2 Media stream splicer 有权
标题翻译：媒体流拼接器
公开(公告)号：US07430222B2
公开(公告)日：2008-09-30
申请号：US10789128
申请日：2004-02-27
申请人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
发明人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
IPC分类号： H04H20/28 , H04N7/173
CPC分类号： H04L65/605 , H04L29/06027 , H04L65/4076 , H04N5/4401 , H04N5/50 , H04N21/23424 , H04N21/26616 , H04N21/4263 , H04N21/4383 , H04N21/4384 , H04N21/44016 , H04N21/6405 , H04N21/6408
摘要： An implementation is described herein, which facilitates a fast channel change by receiving and decoding a unicast acquisition media stream that corresponds to a soon-to-be-requested target multicast media stream. It does this before requesting the target multicast media stream of the new channel. Once the transmission of the unicast stream is caught up with the multicast stream, this implementation splices from the unicast acquisition stream to the target multicast media stream.
摘要翻译：本文描述了一种实现方式，其通过接收和解码对应于即将被要求的目标多播媒体流的单播获取媒体流来促进快速信道改变。它在请求新频道的目标多播媒体流之前执行此操作。一旦单播流的传输被多播流捕获，则该实现从单播获取流到目标多播媒体流。

4. 发明申请

US20090010273A1 Media Stream Splicer 有权
公开(公告)号：US20090010273A1
公开(公告)日：2009-01-08
申请号：US12210590
申请日：2008-09-15
申请人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
发明人： Dustin L. Green , John H. Grossman, IV , James Armand Baldwin , Peter T. Barrett
IPC分类号： H04J3/26
CPC分类号： H04L65/605 , H04L29/06027 , H04L65/4076 , H04N5/4401 , H04N5/50 , H04N21/23424 , H04N21/26616 , H04N21/4263 , H04N21/4383 , H04N21/4384 , H04N21/44016 , H04N21/6405 , H04N21/6408
摘要： An implementation is described herein, which facilitates a fast channel change by receiving and decoding a unicast acquisition media stream that corresponds to a soon-to-be-requested target multicast media stream. It does this before requesting the target multicast media stream of the new channel. Once the transmission of the unicast stream is caught up with the multicast stream, this implementation splices from the unicast acquisition stream to the target multicast media stream.
摘要翻译：本文描述了一种实现方式，其通过接收和解码对应于即将被要求的目标多播媒体流的单播获取媒体流来促进快速信道改变。它在请求新频道的目标多播媒体流之前执行此操作。一旦单播流的传输被多播流捕获，则该实现从单播获取流到目标多播媒体流。

5. 发明授权

US08037200B2 Media organization for distributed sending of media data 有权
标题翻译：用于分发发送媒体数据的媒体组织
公开(公告)号：US08037200B2
公开(公告)日：2011-10-11
申请号：US12326818
申请日：2008-12-02
申请人： Peter T. Barrett , Dustin L. Green , James Armand Baldwin
发明人： Peter T. Barrett , Dustin L. Green , James Armand Baldwin
IPC分类号： G06F15/16
CPC分类号： H04N21/6581 , H04N7/17336 , H04N21/222 , H04N21/2318 , H04N21/26208
摘要： Media data is distributed across multiple devices and is locatable using a hashing function and a hash table. The media data is partially replicated based on popularity thereof. In a described implementation, a media data block is locatable by hashing a media data indicator to produce a media data hash value that maps to a bin of the hash table. The bin is associated with at least one device that stores and/or with a sender that is capable of sending to clients the media data blocks mapping thereto. Each bin may have primary and secondary roles. Devices holding primary roles store all of the media data blocks mapping to a bin. Devices holding secondary roles replicate the media data blocks mapping to the bin that are also within a top predetermined popularity percentage. Popularity is determined based on numbers of clients currently requesting a particular media data portion.
摘要翻译：媒体数据分布在多个设备上，并且可以使用散列函数和散列表进行定位。媒体数据基于其受欢迎程度被部分复制。在所描述的实现中，通过对媒体数据指示符进行散列以产生映射到散列表的一个bin的媒体数据散列值来定位媒体数据块。该箱与至少一个存储和/或与能够向客户端发送映射到其的媒体数据块的发送器的设备相关联。每个bin可能具有主要和次要角色。保存主要角色的设备将所有媒体数据块映射到一个bin。持有辅助角色的设备将映射到本机的媒体数据块复制到也在最高预定的百分比之内。流行度是根据当前请求特定媒体数据部分的客户端数确定的。

6. 发明授权

US07614071B2 Architecture for distributed sending of media data 失效
标题翻译：用于分发发送媒体数据的体系结构
公开(公告)号：US07614071B2
公开(公告)日：2009-11-03
申请号：US10800251
申请日：2004-03-12
申请人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
发明人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
IPC分类号： H04N7/173
CPC分类号： H04N21/2312 , H04N7/17336 , H04N21/23103 , H04N21/2318 , H04N21/26208 , H04N21/26216 , H04N21/47202 , H04N21/632 , H04N21/6405 , H04N21/6581 , H04N21/8352 , H04N21/8456
摘要： Media data is distributed across multiple devices, and decentralized media data dissemination architecture is formed. Multiple respective senders are associated with multiple respective distributed portions of the media data. Multiple schedulers are associated with clients and are capable of scheduling the sending of media data thereto. Schedulers formulate send requests that stipulate particular media data portions and designate destination clients. These send requests are transmitted to the multiple senders in accordance with the associated respective distributed portions in conjunction with the stipulated particular media data portion of each send request. The senders are capable of sending the stipulated particular media data portions of the send requests to the designated destination clients without routing through the schedulers. In a described implementation, a sender and a scheduler are present on each device of the multiple devices.
摘要翻译：媒体数据分布在多个设备上，形成分散的媒体数据传播架构。多个相应的发送者与媒体数据的多个相应分布的部分相关联。多个调度器与客户端相关联，并且能够调度向其发送媒体数据。调度器制定了规定特定媒体数据部分并指定目标客户端的发送请求。这些发送请求结合每个发送请求的规定的特定媒体数据部分，根据关联的各个分配部分被发送到多个发送者。发送者能够将发送请求的规定的特定媒体数据部分发送到指定的目的地客户端而不通过调度器路由。在所描述的实现中，在多个设备的每个设备上存在发送者和调度器。

7. 发明授权

US07562375B2 Fast channel change 有权
标题翻译：快速通道更改
公开(公告)号：US07562375B2
公开(公告)日：2009-07-14
申请号：US10684138
申请日：2003-10-10
申请人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
发明人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
IPC分类号： G06F13/00 , H04N7/173 , H04N5/268
CPC分类号： H04L12/185 , H04N7/17336 , H04N21/23106 , H04N21/4383 , H04N21/472 , H04N21/6405 , H04N21/6408 , H04N21/6581
摘要： In an exemplary server implementation, a server is configured to retain at least one independent frame for each video channel of multiple video channels that are being distributed using multicast communications and is adapted to respond to channel change requests from clients by transmitting the retained at least one independent frame of a requested video channel to a requesting client using a unicast communication. In an exemplary method implementation, a method for fast channel changing in a multicast video distribution architecture includes: detecting a channel change request that indicates a requested channel, the requested channel corresponding to a multicast group; and transmitting a retained intra frame for the requested channel as a unicast communication.
摘要翻译：在示例性服务器实现中，服务器被配置为保留使用多播通信分发的多个视频信道的每个视频信道的至少一个独立帧，并且适于通过发送所保留的至少一个所请求的视频信道的独立帧到使用单播通信的请求客户端。在一种示例性方法实现中，一种用于多播视频分发架构中的快速信道改变的方法包括：检测指示所请求的信道的信道改变请求，所述信道对应于多播组; 以及将所请求的信道的保留帧内帧作为单播通信发送。

8. 发明授权

US07545812B2 Scheduling scheme for distributed sending of media data 有权
标题翻译：分发发送媒体数据的调度方案
公开(公告)号：US07545812B2
公开(公告)日：2009-06-09
申请号：US10798993
申请日：2004-03-12
申请人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
发明人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
IPC分类号： H04L12/56
CPC分类号： H04N21/2318 , H04N7/17336 , H04N21/23103 , H04N21/26208 , H04N21/47202 , H04N21/6405 , H04N21/8456
摘要： Media data is distributed across multiple devices, and the media data is sent therefrom by multiple senders under control of multiple schedulers. For media data blocks in a look-ahead region, schedulers transmit look ahead requests to senders in order to reserve upcoming media data blocks. In a described implementation, a look ahead request identifies a media data block. The receiving sender increments a block usage counter corresponding to the identified media data block responsive to the look ahead request. As part of a look ahead operation, if the media data block is not already in RAM, the sender preloads the media data block into RAM. While the block usage counter indicates that the corresponding media data block is locked, the sender maintains the media data block in RAM. A look ahead cancel message transmitted from the scheduler to the sender prompts the sender to decrement the block usage counter.
摘要翻译：媒体数据分布在多个设备上，并且媒体数据由多个发送者在多个调度器的控制下由其发送。对于预览区域中的媒体数据块，调度器向发送者发送预先请求，以便保留即将到来的媒体数据块。在所描述的实现中，前瞻请求识别媒体数据块。响应于前瞻请求，接收发送者增加对应于所识别的媒体数据块的块使用计数器。作为前瞻操作的一部分，如果媒体数据块尚未在RAM中，则发送器将媒体数据块预加载到RAM中。当块使用计数器指示对应的媒体数据块被锁定时，发送器将媒体数据块保持在RAM中。从调度器发送到发送方的向前取消消息提示发送方递减块使用计数器。

9. 发明授权

US07443791B2 Priority mechanism for distributed sending of media data 有权
标题翻译：分发发送媒体数据的优先机制
公开(公告)号：US07443791B2
公开(公告)日：2008-10-28
申请号：US10800287
申请日：2004-03-12
申请人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
发明人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
IPC分类号： G01R31/08
CPC分类号： H04N21/2318 , H04N7/17336 , H04N21/26208 , H04N21/47202 , H04N21/6405 , H04N21/8456
摘要： Media data is distributed across multiple devices, and multiple schedulers and senders are installed across the multiple devices. Schedulers formulate send requests that stipulate particular media data portions and designate destination clients. Each send request is associated with a send priority. The send requests are transmitted from the multiple schedulers to the multiple senders. The senders rank respective received send requests according to their associated send priorities. Based on the ranked respective send requests and responsive to a respective send bandwidth of each sender, the senders ascertain respective threshold priorities. Each respective threshold priority corresponds to the lowest send priority of all send requests that have been accepted for sending by a respective sender. By comparing individual send priorities associated with individual send requests to respective threshold priorities, the schedulers are able to determine which send requests are selected for sending by respective senders.
摘要翻译：媒体数据分布在多个设备上，多个设备之间安装了多个调度程序和发送者。调度器制定了规定特定媒体数据部分并指定目标客户端的发送请求。每个发送请求与发送优先级相关联。发送请求从多个调度器发送到多个发送者。发送者根据其相关的发送优先级对相应的接收到的发送请求进行排序。基于排列的各个发送请求并响应于每个发送者的相应发送带宽，发送者确定相应的阈值优先级。每个相应的阈值优先级对应于已经被相应发送者发送接收的所有发送请求的最低发送优先级。通过将与各个发送请求相关联的各个发送优先级与相应的阈值优先级相比较，调度器能够确定哪些发送请求被选择用于由各个发送者发送。

10. 发明授权

US07516232B2 Media organization for distributed sending of media data 失效
公开(公告)号：US07516232B2
公开(公告)日：2009-04-07
申请号：US10800309
申请日：2004-03-12
申请人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
发明人： Peter T. Barrett , James Armand Baldwin , Dustin L. Green
IPC分类号： G06F15/16
CPC分类号： H04N21/6581 , H04N7/17336 , H04N21/222 , H04N21/2318 , H04N21/26208
摘要： Media data is distributed across multiple devices and is locatable using a hashing function and a hash table. The media data is partially replicated based on popularity thereof. In a described implementation, a media data block is locatable by hashing a media data indicator to produce a media data hash value that maps to a bin of the hash table. The bin is associated with at least one device that stores and/or with a sender that is capable of sending to clients the media data blocks mapping thereto. Each bin may have primary and secondary roles. Devices holding primary roles store all of the media data blocks mapping to a bin. Devices holding secondary roles replicate the media data blocks mapping to the bin that are also within a top predetermined popularity percentage. Popularity is determined based on numbers of clients currently requesting a particular media data portion.

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