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41. 发明申请

US20120072611A1 SYSTEM AND METHOD FOR ADAPTIVE SEGMENT PREFETCHING OF STREAMING MEDIA 有权
标题翻译：用于流媒体自适应分段预处理的系统和方法
公开(公告)号：US20120072611A1
公开(公告)日：2012-03-22
申请号：US13216517
申请日：2011-08-24
申请人： Kunal Kandekar , Richard J. Walsh , Alfredo C. Issa , Ravi Reddy Katpelly
发明人： Kunal Kandekar , Richard J. Walsh , Alfredo C. Issa , Ravi Reddy Katpelly
IPC分类号： G06F15/16
CPC分类号： H04N7/17318 , H04N21/23406 , H04N21/4331 , H04N21/6587
摘要： Systems and methods are provided for obtaining look-ahead segments for a streaming media item during playback such that the viewer can easily skip to the look-ahead segments without experiencing any substantial interruption or delay in playback. In general, a streaming media source begins streaming a media item to a streaming media client for playback. In one embodiment, the streaming media client selects one or more segments of the media item as one or more look-ahead segments to prefetch from the streaming media source. Then, while the media item is being streamed to the streaming media client for playback, the streaming media client prefetches the one or more look-ahead segments of the media item from the streaming media source. The look-ahead segments are thereafter utilized to enable the viewer to skip ahead in playback without experiencing a substantial interruption or delay in playback.
摘要翻译：系统和方法被提供用于在播放期间获得用于流媒体项目的预先段，使得观看者可以容易地跳到预览段而不会在播放中经历任何实质的中断或延迟。通常，流媒体源开始将媒体项流送到流媒体客户端进行播放。在一个实施例中，流媒体客户机将媒体项目的一个或多个片段选择为从流媒体源预取的一个或多个预览片段。然后，当媒体项目被流传输到流媒体客户端以进行播放时，流媒体客户端从流媒体源预取媒体项目的一个或多个预先段。此后，先行片段用于使观众能够在播放中跳过，而不会在播放中出现实质的中断或延迟。

42. 发明申请

US20120066711A1 VIRTUALIZED HOME THEATER SERVICE 审中-公开
标题翻译： VIRTUALIZED家庭影院服务
公开(公告)号：US20120066711A1
公开(公告)日：2012-03-15
申请号：US12694595
申请日：2010-01-27
申请人： Gregory M. Evans , Scott Curtis , Kunal Kandekar , Ravi Reddy Katpelly
发明人： Gregory M. Evans , Scott Curtis , Kunal Kandekar , Ravi Reddy Katpelly
IPC分类号： H04N7/04 , H04N7/173
CPC分类号： H04N21/6156 , H04N21/43615 , H04N21/43637 , H04S3/008
摘要： The present disclosure relates to a Wide Area Network (WAN) based home theater system. In one embodiment, a home theater at a subscriber premises includes multiple home theater components, which include multiple audio playback components and a video playback component. Each home theater component is enabled to receive data from and send data to a virtualized home theater service via a WAN. In operation, the virtualized home theater service processes multimedia content to provide a separate content stream for each home theater component. The virtualized home theater service also provides absolute playback timestamps for the media content streams. The absolute playback timestamps are preferably provided to substantially synchronize playback of the media content streams by the home theater components as well as to accommodate for network delays.
摘要翻译：本公开涉及基于广域网（WAN）的家庭影院系统。在一个实施例中，用户住宅处的家庭影院包括多个家庭影院组件，其包括多个音频回放组件和视频播放组件。每个家庭影院组件都能够通过WAN接收数据并将数据发送到虚拟家庭影院服务。在操作中，虚拟家庭影院服务处理多媒体内容以为每个家庭影院组件提供单独的内容流。虚拟家庭影院服务还为媒体内容流提供绝对播放时间戳。绝对播放时间戳优选地被提供以基本上同步家庭影院组件的媒体内容流的播放以及适应网络延迟。

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