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    STORAGE MANAGEMENT OF A RECORDING DEVICE IN A MULTI-USER SYSTEM
    2.
    发明公开
    STORAGE MANAGEMENT OF A RECORDING DEVICE IN A MULTI-USER SYSTEM 审中-公开

    公开(公告)号：EP3340245A1

    公开(公告)日：2018-06-27

    申请号：EP17200222.2

    申请日：2008-09-30

    申请人： Rovi Guides, Inc.

    发明人： CRANER, Michael L. ,  KNEE, Robert A.

    IPC分类号： G11B19/00 ,  H04N5/76

    CPC分类号： G11B19/00 ,  H04N5/76 ,  H04N21/4334 ,  H04N21/4335 ,  H04N21/4424 ,  H04N21/4532 ,  H04N21/4667 ,  H04N21/47214 ,  H04N21/4751 ,  H04N21/4753

    摘要： Systems and methods for managing the storage of recordings in a recording device in which the recordings were requested by several users are provided. Each user may be assigned a storage space limit defining the amount of storage space each user is entitled to use. In some embodiments, the storage space limit may be flexibly increased to take advantage of extra space available from other users. The system may intelligently borrow space from other users to limit the risk that a requested recording is canceled due to unavailable storage resources. In some embodiments, the system may jointly allocate a recording to several users who commonly requested a recording. The system may also set aside space in the recording device that is saved exclusively for a particular user. In some embodiments, the recording device may allocate the storage resources based on the usage of the recordings.

    SYSTEMS AND METHODS FOR ENHANCED TRICK-PLAY FUNCTIONS
    3.
    发明公开
    SYSTEMS AND METHODS FOR ENHANCED TRICK-PLAY FUNCTIONS 审中-公开
    用于增强特技功能的系统和方法

    公开(公告)号：EP3322179A2

    公开(公告)日：2018-05-16

    申请号：EP17192187.7

    申请日：2006-12-12

    申请人： Rovi Guides, Inc.

    发明人： CRANER, Michael L.

    IPC分类号： H04N7/173 ,  H04N21/266 ,  H04N21/433 ,  H04N21/472

    CPC分类号： H04N21/6587 ,  H04N7/17309 ,  H04N21/2387 ,  H04N21/26616 ,  H04N21/4312 ,  H04N21/4316 ,  H04N21/4331 ,  H04N21/4334 ,  H04N21/44004 ,  H04N21/47202 ,  H04N21/47208 ,  H04N21/47217 ,  H04N21/812

    摘要： Systems and methods for rewinding a video to a point before the video was first viewed. Video transmitted by a media source is cached by a remote server. Upon a trick-play request for the video, the server generates a rewind stream that includes the video that was transmitted by the media source before the user started to view the video. Upon receiving the rewind stream, the user's equipment may cache the rewind stream in a rewind buffer and rewind or play from the rewind buffer. The server may also generate and transmit a forward stream of the video that the media source has not yet transmitted. The user's equipment may cache the forward stream in a forward buffer. To perform trick-play operations with the video, the user's equipment may migrate the playback of the video to the rewind and forward buffers and rewind or fast-forward the video from the buffers.

    摘要翻译： 用于在视频第一次被观看之前将视频倒回到某一点的系统和方法。 由媒体源传输的视频由远程服务器缓存。 在对视频进行特技播放请求后，服务器会生成一个倒带流，其中包含用户开始观看视频之前由媒体源传输的视频。 收到倒带流后，用户的设备可以将倒带流缓存在倒带缓冲区中，并倒带或从倒带缓冲区播放。 服务器还可以生成并传输媒体源尚未传输的视频的前向流。 用户的设备可以将前向流缓存在前向缓冲区中。 为了对视频进行特技播放操作，用户的设备可以将视频的播放转移到倒带和前向缓冲器，并倒带或快进缓冲器中的视频。