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    • 1. 发明申请
    • Methods and apparatus for persistent control and protection of content
    • 持久控制和保护内容的方法和设备
    • US20080013724A1
    • 2008-01-17
    • US11827856
    • 2007-07-13
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • H04N7/167H04L9/00
    • H04L63/0428H04L63/10H04L2463/101H04N7/1675H04N21/23476H04N21/2541H04N21/26613H04N21/4405H04N21/44055H04N21/44204H04N21/4627H04N21/812H04N21/8193H04N21/835H04N21/8355
    • A novel method and apparatus for protection of streamed media content is disclosed. In one aspect, the apparatus includes control means for governance of content streams or content objects, decryption means for decrypting content streams or content objects under control of the control means, and feedback means for tracking actual use of content streams or content objects. The control means may operate in accordance with rules received as part of the streamed content, or through a side-band channel. The rules may specify allowed uses of the content, including whether or not the content can be copied or transferred, and whether and under what circumstances received content may be “checked-out” of one device and used in a second device. The rules may also include or specify budgets, and a requirement that audit information be collected and/or transmitted to an external server. In a different aspect, the apparatus may include a media player designed to call plugins to assist in rendering content. A “trust plugin” is disclosed, along with a method of using the trust plugin so that a media player designed for use with unprotected content may render protected content without the necessity of requiring any changes to the media player. In one aspect, the streamed content may be in a number of different formats, including MPEG-4, MP3, and the RMFF format.
    • 公开了一种用于保护流媒体内容的新颖方法和装置。 一方面,该装置包括用于控制内容流或内容对象的控制装置,用于在控制装置的控制下解密内容流或内容对象的解密装置,以及用于跟踪内容流或内容对象的实际使用的反馈装置。 控制装置可以根据作为流式内容的一部分接收的规则或者通过边带信道来操作。 规则可以指定内容的允许使用,包括是否可以复制或传输内容,以及是否在什么情况下接收到的内容可以被“检出”一个设备并且在第二设备中使用。 规则还可以包括或指定预算,以及将审计信息收集和/或传送到外部服务器的要求。 在不同的方面,设备可以包括被设计为调用插件来辅助呈现内容的媒体播放器。 公开了一种“信任插件”,以及使用信任插件的方法,使得设计用于不受保护的内容的媒体播放器可以呈现受保护的内容,而不需要对媒体播放器进行任何改变。 在一个方面,流传输的内容可​​以是多种不同的格式,包括MPEG-4,MP3和RMFF格式。
    • 3. 发明申请
    • Methods and Apparatus for Persistent Control and Protection of Content
    • 持久控制和内容保护的方法和装置
    • US20070211891A1
    • 2007-09-13
    • US11747781
    • 2007-05-11
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • Talal ShamoonRalph HillChris RadcliffeJohn Hwa
    • H04L9/18
    • H04N21/43853H04L9/14H04L63/0428H04L63/10H04L2209/603H04L2209/605H04L2209/64H04L2463/101H04N7/167H04N7/1675H04N21/23476H04N21/23605H04N21/2541H04N21/26613H04N21/4343H04N21/4405H04N21/44055H04N21/44204H04N21/4627H04N21/812H04N21/8193H04N21/835H04N21/8352H04N21/8355H04N21/8358
    • A novel method and apparatus for protection of streamed media content is disclosed. In one aspect, the apparatus includes control means for governance of content streams or content objects, decryption means for decrypting content streams or content objects under control of the control means, and feedback means for tracking actual use of content streams or content objects. The control means may operate in accordance with rules received as part of the streamed content, or through a side-band channel. The rules may specify allowed uses of the content, including whether or not the content can be copied or transferred, and whether and under what circumstances received content may be “checked out” of one device and used in a second device. The rules may also include or specify budgets, and a requirement that audit information be collected and/or transmitted to an external server. In a different aspect, the apparatus may include a media player designed to call plugins to assist in rendering content. A “trust plugin” is disclosed, along with a method of using the trust plugin so that a media player designed for use with unprotected content may render protected content without the necessity of requiring any changes to the media player. In one aspect, the streamed content may be in a number of different formats, including MPEG-4, MP3, and the RMFF format.
    • 公开了一种用于保护流媒体内容的新颖方法和装置。 一方面,该装置包括用于控制内容流或内容对象的控制装置,用于在控制装置的控制下解密内容流或内容对象的解密装置,以及用于跟踪内容流或内容对象的实际使用的反馈装置。 控制装置可以根据作为流式内容的一部分接收的规则或者通过边带信道来操作。 规则可以指定内容的允许使用,包括是否可以复制或传送内容,以及是否在什么情况下接收内容可能被“检出”一个设备并在第二设备中使用。 规则还可以包括或指定预算,以及将审计信息收集和/或传送到外部服务器的要求。 在不同的方面,设备可以包括被设计为调用插件来辅助呈现内容的媒体播放器。 公开了一种“信任插件”,以及使用信任插件的方法,使得设计用于不受保护的内容的媒体播放器可以呈现受保护的内容,而不需要对媒体播放器进行任何改变。 在一个方面,流传输的内容可​​以是多种不同的格式,包括MPEG-4,MP3和RMFF格式。