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    • 3. 发明授权
    • Method and apparatus for video-on-demand with fast play capability
    • 具有快速播放能力的视频点播方法和装置
    • US6057832A
    • 2000-05-02
    • US982287
    • 1997-12-02
    • Eitan LevNoam CohenMordechai Teicher
    • Eitan LevNoam CohenMordechai Teicher
    • H04N5/93H04N5/92H04N7/32H04N21/2387H04N21/845H04N7/12
    • H04N21/2387H04N21/8455
    • A method and apparatus for processing a coded data stream of video information (e.g., video-on-demand) for selective display according to a Normal PLAY Mode or a Fast PLAY Mode, by splitting the coded data stream into (a) anchor data constituted of anchor picture frames (e.g., I-frames) coded without reference to other picture frames, and (b) complemental data (e.g., B-frames and P-frames) complementing the anchor data; storing the anchor data in an anchor data file and the complemental data in a complemental data file; upon the selection of a Normal PLAY Mode, combining the data of both the anchor data file and the complemental data file to recompose and display the video information; and upon the selection of a fast PLAY mode, displaying only the data of the anchor data file.
    • 一种用于根据普通播放模式或快速播放模式处理用于选择性显示的视频信息(例如,视频点播)的编码数据流的方法和装置,通过将编码数据流分解成(a)构成的锚数据 编码而不参考其他图像帧的锚图像帧(例如,I帧),和(b)补充锚数据的补码数据(例如B帧和P帧); 将锚数据存储在锚数据文件中,并将互补数据存储在补码数据文件中; 在选择普通播放模式时,组合锚数据文件和互补数据文件的数据以重构和显示视频信息; 并且在选择快速播放模式时,仅显示锚数据文件的数据。
    • 5. 发明申请
    • Personalized Insertion of Advertisements in Streaming Media
    • 在流媒体中个性化插入广告
    • US20090307732A1
    • 2009-12-10
    • US12224829
    • 2007-03-06
    • Noam CohenGennady Rafalovich
    • Noam CohenGennady Rafalovich
    • H04N7/173
    • H04N21/812G06Q30/02H04N7/17318H04N21/23424H04N21/235H04N21/25891H04N21/435H04N21/44016H04N21/6582
    • Apparatus (20) for digital media distribution includes a plurality of client devices (26) coupled to a network (24). Each client device is configured to receive and play a primary digital broadcast media stream from a first server (22) and to receive, via the network, an indication of an interval in the primary digital broadcast media stream in which secondary content is to be played on the output device. A control subsystem (36) transmits to the client devices, via the network, a message identifying at least one second server (34) that is to provide the secondary content. The message causes the client devices to suspend reception of the primary digital broadcast media stream at the start time while connecting to receive the secondary content from the at least one second server so as to play the secondary content during the interval.
    • 用于数字媒体分发的设备(20)包括耦合到网络(24)的多个客户端设备(26)。 每个客户端设备被配置为从第一服务器(22)接收和播放主数字广播媒体流,并且经由网络接收要在其中播放次要内容的主数字广播媒体流中的间隔的指示 在输出设备上。 控制子系统(36)经由网络向客户端设备发送标识要提供次要内容的至少一个第二服务器(34)的消息。 该消息导致客户端设备在连接时从起始时间暂停接收主数字广播媒体流,以从至少一个第二服务器接收次要内容,以便在间隔期间播放次要内容。
    • 7. 发明申请
    • Fast channel switching for digital TV
    • 数字电视快速通道切换
    • US20060143669A1
    • 2006-06-29
    • US11321290
    • 2005-12-22
    • Noam Cohen
    • Noam Cohen
    • H04N7/173
    • H04N7/173H04N7/17318H04N21/23424H04N21/4383H04N21/4384H04N21/44016H04N21/472H04N21/6405H04N21/6408H04N21/8455H04N21/8549
    • A method for digital video distribution includes transmitting a multicast stream over a network. Upon receiving, at a time subsequent to a first anchor point and prior to a second anchor point in the multicast stream, a request from a client to begin receiving the multicast stream, a boost stream is generated, including at least a portion of the video data in the frames between the first and second anchor points. The boost stream is transmitted to the client during an interval between the time at which the request was received and the second anchor point in the multicast stream, so as to cause the client to display the video data beginning from the first anchor point. Upon completing transmission of the boost stream, the multicast stream is transmitted to the client beginning from the second anchor point.
    • 一种用于数字视频分发的方法包括通过网络传输多播流。 在接收到多播流中的第一锚定点之后的第二锚定点之前的时间,来自客户端的开始接收多播流的请求时,生成包括视频的至少一部分的升级流 在第一和第二锚定点之间的帧中的数据。 在接收到请求的时间和多播流中的第二锚定点之间的间隔期间,将提升流发送到客户端,以使客户机从第一锚点开始显示视频数据。 在完成升级流的传输之后,多播流从第二个锚点开始传输到客户端。