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    • 8. 发明申请
    • SPEEDING UP CHANNEL CHANGE
    • 加快频道更改
    • US20070234395A1
    • 2007-10-04
    • US11762348
    • 2007-06-13
    • Vincent DureauJoel ZdepskiPatty Kim
    • Vincent DureauJoel ZdepskiPatty Kim
    • H04N7/00
    • H04N21/4405H04N5/4401H04N5/50H04N7/163H04N21/4263H04N21/4383H04N21/4384
    • A method and apparatus is described to reduce delay when changing channels in a television environment. The method may comprise receiving a plurality of television channels from a remote content provider wherein each channel includes channel information used to display the channel. At least one channel of the plurality of channels may be identified as a stored channel and channel information of the at least one stored channel may be stored in storage (e.g. in a circular buffer). Thereafter, upon selection of the stored channel, the stored channel information is accessed for display. In an example embodiment, the storage may be updated to maintain a most recently received I-frame and subsequent MPEG signals of the stored channel. Accordingly, when changing channels it may not be necessary to wait for the next I-frame to display a newly selected channel.
    • 描述了在电视环境中改变频道时减少延迟的方法和装置。 该方法可以包括从远程内容提供商接收多个电视频道,其中每个频道包括用于显示频道的频道信息。 多个信道中的至少一个信道可以被识别为存储的信道,并且至少一个存储的信道的信道信息可以存储在存储器中(例如,在循环缓冲器中)。 此后,在选择所存储的频道后,存储所存储的频道信息以进行显示。 在示例实施例中,可以更新存储以维持最近接收的存储信道的I帧和后续MPEG信号。 因此,当改变频道时,可能不需要等待下一个I帧来显示新选择的频道。
    • 10. 发明授权
    • System and method for recording pushed data
    • 用于记录推送数据的系统和方法
    • US07000245B1
    • 2006-02-14
    • US09662949
    • 2000-09-15
    • Ludovic PierreVincent DureauAlain Delpuch
    • Ludovic PierreVincent DureauAlain Delpuch
    • H04N7/16H04N7/00H04N7/06H04N5/445
    • H04N5/4401H04N7/16H04N21/235H04N21/4331H04N21/4349H04N21/435H04N21/6543H04N21/858
    • A method for recording pushed interactive data streams of a program. A pushed data stream is broadcast to a receiving station. The data stream includes one or more data objects. The data stream may also reference to live data objects which are intended for immediate consumption and become obsolete thereafter. The data stream may include a file table and object properties corresponding to the data objects. When the data stream is received by the receiving station, the individual data objects are extracted from the data stream. The data objects, accompanying object properties and the file table are then stored on a storage device. Data objects which are external to the data stream or to the program (e.g., data objects from other carousels) are retrieved and are also stored. Live data objects are not stored, but references to these data objects are stored, so that when the program is replayed, current versions of the referenced live data objects can be used. A program not being recorded may contain data objects which are flagged to be cached which are recorded automatically. Consequently, other programs may subsequently access them from the recording when they are played.
    • 一种用于记录程序的推送的交互式数据流的方法。 推送的数据流被广播到接收站。 数据流包括一个或多个数据对象。 数据流还可以引用用于立即消费的实时数据对象,并在此之后变得过时。 数据流可以包括对应于数据对象的文件表和对象属性。 当接收站接收到数据流时,从数据流中提取各个数据对象。 然后将数据对象,伴随对象属性和文件表存储在存储设备上。 数据流或程序外部的数据对象(例如,来自其他转盘的数据对象)被检索并且也被存储。 实时数据对象不存储,但存储对这些数据对象的引用,因此当重放程序时,可以使用引用的实时数据对象的当前版本。 未被记录的节目可能包含自动记录的被标记为缓存的数据对象。 因此,其他程序随后可以在播放时从记录中访问它们。