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1. 发明申请

US20130315567A1 Methods for Efficiently Combining Partial ABR Recordings 有权
标题翻译：有效组合部分ABR记录的方法
公开(公告)号：US20130315567A1
公开(公告)日：2013-11-28
申请号：US13477297
申请日：2012-05-22
申请人： Ashok Narayanan , Atif Faheem
发明人： Ashok Narayanan , Atif Faheem
IPC分类号： H04N5/94
CPC分类号： H04N21/23116 , G11B27/034 , G11B27/105 , H04N5/765 , H04N5/91 , H04N21/2404 , H04N21/8456
摘要： Recording reconstruction from multiple overlapping recordings may be provided. New recorders may copy manifests from working recorders, as opposed to reconstructing from failed recorders, to construct manifests that refer to video fragments from different recorders. Origin servers may follow these reconstructed manifests to obtain any fragment in the recording, in any combination of recorder failure/take-over/restart, as long as there was at least one recorder functioning at all times.
摘要翻译：可以提供从多个重叠记录的记录重建。新记录员可以从工作记录器复制清单，而不是从失败的记录器重建，以构建引用来自不同记录器的视频片段的清单。只要至少有一台录音机始终运行，原始服务器可以遵循这些重建的清单，以便记录中的任何片段，记录器故障/接管/重新启动的任何组合。

2. 发明授权

US09036980B2 Methods for efficiently combining partial ABR recordings 有权
标题翻译：有效组合部分ABR记录的方法
公开(公告)号：US09036980B2
公开(公告)日：2015-05-19
申请号：US13477297
申请日：2012-05-22
申请人： Ashok Narayanan , Atif Faheem
发明人： Ashok Narayanan , Atif Faheem
IPC分类号： H04N5/94 , H04N21/231 , H04N5/91 , G11B27/034 , G11B27/10 , H04N21/24 , H04N21/845 , H04N5/765
CPC分类号： H04N21/23116 , G11B27/034 , G11B27/105 , H04N5/765 , H04N5/91 , H04N21/2404 , H04N21/8456
摘要： Recording reconstruction from multiple overlapping recordings may be provided. New recorders may copy manifests from working recorders, as opposed to reconstructing from failed recorders, to construct manifests that refer to video fragments from different recorders. Origin servers may follow these reconstructed manifests to obtain any fragment in the recording, in any combination of recorder failure/take-over/restart, as long as there was at least one recorder functioning at all times.
摘要翻译：可以提供从多个重叠记录的记录重建。新记录员可以从工作记录器复制清单，而不是从失败的记录器重建，以构建引用来自不同记录器的视频片段的清单。只要至少有一台录音机始终运行，原始服务器可以遵循这些重建的清单，以便记录中的任何片段，记录器故障/接管/重新启动的任何组合。

3. 发明授权

US07835406B2 Surrogate stream for monitoring realtime media 有权
标题翻译：用于监控实时媒体的代理流
公开(公告)号：US07835406B2
公开(公告)日：2010-11-16
申请号：US11764722
申请日：2007-06-18
申请人： David R. Oran , Robert Andrew Drisko , Joshua B. Gahm , Atif Faheem
发明人： David R. Oran , Robert Andrew Drisko , Joshua B. Gahm , Atif Faheem
IPC分类号： H04J3/12
CPC分类号： H04L65/605 , H04L43/00 , H04L43/06 , H04L43/0829 , H04L43/087 , H04L43/106 , H04L65/4007 , H04L65/80 , H04L69/28
摘要： In one embodiment, a separate surrogate monitor stream provides real-time media monitoring statistics for non-media savvy protocols. The surrogate monitor stream contains packet transmission parameters, such as sequence numbers and time stamps, for associated media packets in the non-savvy media stream. The surrogate monitor stream also contains checksums derived from the media packets. The checksums are used to correlate the packets in the surrogate monitor stream with the media packets in the media stream. The information in the surrogate monitor stream is then used in conjunction with the non-savvy media stream to provide real-time media monitoring without having to modify existing infrastructure. For example, head-end video servers do not have to add Real-time Transport Protocol (RTP) support or deal with protocol upgrades like RTP/UDP co-existence.
摘要翻译：在一个实施例中，单独的替代监视流提供非媒体精通协议的实时媒体监视统计。替代监视流包含非精通媒体流中相关联的媒体分组的分组传输参数，例如序列号和时间戳。代理监视流还包含从媒体包导出的校验和。校验和用于将代理监视流中的数据包与媒体流中的媒体数据包相关联。然后，替代监视流中的信息与非精通媒体流结合使用，以提供实时媒体监视，而无需修改现有基础设施。例如，头端视频服务器不必添加实时传输协议（RTP）支持或处理RTP / UDP共存等协议升级。

4. 发明申请

US20100254462A1 METHOD FOR REDUCING MEMORY USAGE WITH ACCELERATED CHANNEL CHANGES 审中-公开
标题翻译：减少存储器使用速度更快的方法
公开(公告)号：US20100254462A1
公开(公告)日：2010-10-07
申请号：US12491113
申请日：2009-06-24
申请人： Eric Colin Friedrich , Robert Andrew Drisko , Joshua Bernard Gahm , Atif Faheem
发明人： Eric Colin Friedrich , Robert Andrew Drisko , Joshua Bernard Gahm , Atif Faheem
IPC分类号： H04N11/02 , H04L12/56
CPC分类号： H04N21/6405 , H04N21/26616 , H04N21/4384 , H04N21/44004 , H04N21/6408
摘要： Optimizations for rapid channel changes may be provided. In response to a channel change request, rate shaping may be used to provide a unicast packet stream at a first transmission rate for a first time interval before reducing the rate of the unicast packet stream to a lower transmission rate for a second time interval. During the second time interval, a multicast packet stream may be joined and the video frames associated with the unicast packet stream, which may lag behind the multicast packet stream, and the multicast packet stream may be synchronized.
摘要翻译：可以提供快速通道更改的优化。响应于信道改变请求，速率整形可以用于在第一时间间隔内以第一传输速率提供单播分组流，在第二时间间隔将单播分组流的速率降低到较低传输速率之前。在第二时间间隔期间，可以连接多播分组流，并且与多播分组流相关联的可能落后于多播分组流的视频帧和多播分组流可以被同步。

5. 发明申请

US20080310316A1 Surrogate Stream for Monitoring Realtime Media 有权
标题翻译：用于监控实时媒体的代理流
公开(公告)号：US20080310316A1
公开(公告)日：2008-12-18
申请号：US11764722
申请日：2007-06-18
申请人： David R. Oran , Robert Andrew Drisko , Joshua B. Gahm , Atif Faheem
发明人： David R. Oran , Robert Andrew Drisko , Joshua B. Gahm , Atif Faheem
IPC分类号： G06F11/00
CPC分类号： H04L65/605 , H04L43/00 , H04L43/06 , H04L43/0829 , H04L43/087 , H04L43/106 , H04L65/4007 , H04L65/80 , H04L69/28
摘要： In one embodiment, a separate surrogate monitor stream provides real-time media monitoring statistics for non-media savvy protocols. The surrogate monitor stream contains packet transmission parameters, such as sequence numbers and time stamps, for associated media packets in the non-savvy media stream. The surrogate monitor stream also contains checksums derived from the media packets. The checksums are used to correlate the packets in the surrogate monitor stream with the media packets in the media stream. The information in the surrogate monitor stream is then used in conjunction with the non-savvy media stream to provide real-time media monitoring without having to modify existing infrastructure. For example, head-end video servers do not have to add Real-time Transport Protocol (RTP) support or deal with protocol upgrades like RTP/UDP co-existence.
摘要翻译：在一个实施例中，单独的替代监视流提供非媒体精通协议的实时媒体监视统计。替代监视流包含非精通媒体流中相关联的媒体分组的分组传输参数，例如序列号和时间戳。代理监视流还包含从媒体包导出的校验和。校验和用于将代理监视流中的数据包与媒体流中的媒体数据包相关联。然后，替代监视流中的信息与非精通媒体流结合使用，以提供实时媒体监视，而无需修改现有基础设施。例如，头端视频服务器不必添加实时传输协议（RTP）支持或处理RTP / UDP共存等协议升级。

6. 发明授权

US08014393B1 Bandwidth optimized rapid channel change in IP-TV network 有权
标题翻译：带宽优化IP-TV网络中的快速通道改变
公开(公告)号：US08014393B1
公开(公告)日：2011-09-06
申请号：US12367183
申请日：2009-02-06
申请人： Atif Faheem , Joshua B. Gahm , Kapil Sharma , David R. Oran , Robert Andrew Drisko
发明人： Atif Faheem , Joshua B. Gahm , Kapil Sharma , David R. Oran , Robert Andrew Drisko
IPC分类号： H04L12/56 , H04J3/26
CPC分类号： H04L47/2416 , H04L12/185 , H04L47/15 , H04N21/4384 , H04N21/6405
摘要： A technique is provided for rapid channel change (RCC) processing in a programming distribution network. The RCC process herein is configured to transmit unicast stream of packets (“RCC burst”) during a “fast-fill” interval for up to a full duration of the multicast join window, or until it is stopped by a an explicit message sent from the user terminal. The unicast stream of packets is transmitted at a full rate of an access link (i.e., the bottleneck link) on a path to the user terminal beyond an earliest time when the user terminal could join a multicast stream of packets for a new channel requested by the user terminal.
摘要翻译：提供了一种用于编程分发网络中快速通道改变（RCC）处理的技术。这里的RCC处理被配置为在“快速填充”间隔期间发送单播数据包流（“RCC突发”），持续多达多播连接窗口的整个持续时间，或者直到由...发送的显式消息停止用户终端。在用户终端可以加入用于新的信道的分组的组播流的最早时间之前，在到达用户终端的路径上以分组的全速率传输分组的单播流（即，瓶颈链路）用户终端。

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