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    • 1. 发明申请
    • Play-out Control for a Media Data Stream
    • 媒体数据流播放控制
    • US20110231870A1
    • 2011-09-22
    • US13032888
    • 2011-02-23
    • Frank HartungDaniel CatreinThorsten LohmarThomas Rusert
    • Frank HartungDaniel CatreinThorsten LohmarThomas Rusert
    • H04N7/173
    • H04L65/607H04L65/4076H04L65/601H04N21/4345H04N21/462H04N21/4623H04N21/8455
    • A technique for controlling a play-out of a media data stream at a receiving device is provided. The media data stream comprises one or more programs, and each program comprises one or more program components. In a method implementation of the technique, a zone description is defined. The zone description is defined for a media zone for at least one program or at least one program component in the media stream and identifies the media zone for the at least one program or the at least one program component. In a next step, the zone description is associated to a program specific information data segment. The program specific information data segment is part of the media stream and comprises data specifying information at least regarding to the at least one program or at least one program component. The method also comprises transmitting the media data stream towards the receiving device.
    • 提供了一种用于控制在接收设备处的媒体数据流的播放的技术。 媒体数据流包括一个或多个节目,并且每个节目包括一个或多个节目组件。 在该技术的方法实现中,定义了区域描述。 区域描述是针对媒体流中的至少一个节目或至少一个节目组成部分的媒体区域定义的,并识别该至少一个节目或该至少一个节目组件的媒体区域。 在下一步中,区域描述与节目特定信息数据段相关联。 节目特定信息数据段是媒体流的一部分,并且包括至少关于至少一个节目或至少一个节目组件的指定信息的数据。 该方法还包括向接收设备发送媒体数据流。
    • 3. 发明授权
    • Play-out control for a media data stream
    • 媒体数据流播放控制
    • US08914822B2
    • 2014-12-16
    • US13032888
    • 2011-02-23
    • Frank HartungDaniel CatreinThorsten LohmarThomas Rusert
    • Frank HartungDaniel CatreinThorsten LohmarThomas Rusert
    • H04N21/462H04N21/845H04N21/434H04N21/4623H04L29/06
    • H04L65/607H04L65/4076H04L65/601H04N21/4345H04N21/462H04N21/4623H04N21/8455
    • A technique for controlling a play-out of a media data stream at a receiving device is provided. The media data stream comprises one or more programs, and each program comprises one or more program components. In a method implementation of the technique, a zone description is defined. The zone description is defined for a media zone for at least one program or at least one program component in the media stream and identifies the media zone for the at least one program or the at least one program component. In a next step, the zone description is associated to a program specific information data segment. The program specific information data segment is part of the media stream and comprises data specifying information at least regarding to the at least one program or at least one program component. The method also comprises transmitting the media data stream towards the receiving device.
    • 提供了一种用于控制在接收设备处的媒体数据流的播放的技术。 媒体数据流包括一个或多个节目,并且每个节目包括一个或多个节目组件。 在该技术的方法实现中,定义了区域描述。 区域描述是针对媒体流中的至少一个节目或至少一个节目组成部分的媒体区域定义的,并识别该至少一个节目或该至少一个节目组件的媒体区域。 在下一步中,区域描述与节目特定信息数据段相关联。 节目特定信息数据段是媒体流的一部分,并且包括至少关于至少一个节目或至少一个节目组件的指定信息的数据。 该方法还包括向接收设备发送媒体数据流。
    • 8. 发明授权
    • Technique for handling media content to be accessible via multiple media tracks
    • 用于处理可通过多个媒体轨道访问的媒体内容的技术
    • US08798264B2
    • 2014-08-05
    • US13130866
    • 2008-11-26
    • Daniel CatreinFrank HartungThomas Rusert
    • Daniel CatreinFrank HartungThomas Rusert
    • H04L9/00
    • H04N21/2541H04N21/234327H04N21/835H04N21/8451H04N21/85406
    • A method of handling media content comprises providing a set of one or more first layer data items that are to be accessible via a first media track. Each first layer data item is decodable to be rendered as a portion of the media content. Moreover, a set of one or more second layer data items is provided that are to be accessible via at least one second media track, each second layer data item being decodable to be rendered in combination with at least one decoded first layer data item as an enhanced portion of the media content. With each second layer data item a track reference index is associated that identifies the first media track via which the first layer data items are accessible. Then, the second layer data items and the associated track reference indices are encrypted for being transmitted to a content recipient.
    • 处理媒体内容的方法包括提供可经由第一媒体轨道访问的一组或多个第一层数据项的集合。 每个第一层数据项可解码以被呈现为媒体内容的一部分。 此外,提供一组一个或多个第二层数据项,其可以经由至少一个第二媒体轨道访问,每个第二层数据项可解码以与至少一个解码的第一层数据项组合呈现为 媒体内容的增强部分。 对于每个第二层数据项,轨道参考索引被相关联,其标识第一层数据项可被访问的第一媒体轨道。 然后,第二层数据项和关联的轨道参考索引被加密以便发送给内容接收方。
    • 9. 发明申请
    • Technique for Handling Media Content to be Accessible via Multiple Media Tracks
    • 通过多媒体轨道处理媒体内容可访问的技术
    • US20110261957A1
    • 2011-10-27
    • US13130866
    • 2008-11-26
    • Daniel CatreinFrank HartungThomas Rusert
    • Daniel CatreinFrank HartungThomas Rusert
    • H04L9/18H04L9/08G06F21/24
    • H04N21/2541H04N21/234327H04N21/835H04N21/8451H04N21/85406
    • A technique for protecting media content that is to be accessible via multiple media tracks of a media file is provided. A method implementation of this technique comprises the step of providing a set of one or more first layer data items that are to be accessible via a first media track, with each first layer data item being decodable to be rendered as a portion of the media content. Moreover, a set of one or more second layer data items is provided that are to be accessible via at least one second media track, with each second layer data item being decodable to be rendered in combination with at least one decoded first layer data item as an enhanced portion of the media content. With each second layer data item a track reference index is associated that allows to identify the first media track via which the first layer data items are accessible. Then, in a next step, the second layer data items and the associated track reference indices (plus optionally the first layer data items) are encrypted for being transmitted to a content recipient.
    • 提供了一种用于保护可通过媒体文件的多个媒体轨道访问的媒体内容的技术。 该技术的方法实现包括提供可经由第一媒体轨道访问的一个或多个第一层数据项的集合的步骤,其中每个第一层数据项可解码以被呈现为媒体内容的一部分 。 此外,提供一组一个或多个第二层数据项,其可以经由至少一个第二媒体轨道访问,其中每个第二层数据项可解码以与至少一个解码的第一层数据项组合呈现为 媒体内容的增强部分。 对于每个第二层数据项,轨道参考索引被关联,其允许识别第一层数据项可访问的第一媒体轨道。 然后,在下一步骤中,第二层数据项和关联的轨道参考索引(可选地,加上第一层数据项)被加密以被发送到内容接收方。