Adaptive and progressive audio stream scrambling
    1.
    发明授权
    Adaptive and progressive audio stream scrambling 有权
    自适应和渐进式音频流加扰

    公开(公告)号:US08184809B2

    公开(公告)日:2012-05-22

    申请号:US11100121

    申请日:2005-04-06

    IPC分类号: H04N7/167

    摘要: A process for distributing digital audio sequences according to a nominal stream format that include a succession of frames, each of which includes at least one digital audio block grouping a plurality of coefficients corresponding to digitally coded audio elements, including modifying at least one block of an original stream of sequences, in an adaptive manner on the original stream as a function of at least a part of characteristics representative of the structure, content and parameters of the original stream, a target profile and external events.

    摘要翻译: 一种用于根据包括一系列帧的标称流格式分配数字音频序列的过程,每个帧包括至少一个对与数字编码音频元素相对应的多个系数进行分组的数字音频块,包括修改至少一个 原始流序列,以原始流的自适应方式作为代表原始流的结构,内容和参数,目标简档和外部事件的至少一部分特征的函数。

    Adaptive and progressive scrambling of audio streams
    4.
    发明申请
    Adaptive and progressive scrambling of audio streams 有权
    音频流的自适应和逐行扰码

    公开(公告)号:US20050289063A1

    公开(公告)日:2005-12-29

    申请号:US11100121

    申请日:2005-04-06

    IPC分类号: H04N7/167 H04B3/00

    摘要: A process for distributing digital audio sequences according to a nominal stream format that include a succession of frames, each of which includes at least one digital audio block grouping a plurality of coefficients corresponding to digitally coded audio elements, including modifying at least one block of an original stream of sequences, in an adaptive manner on the original stream as a function of at least a part of characteristics representative of the structure, content and parameters of the original stream, a target profile and external events.

    摘要翻译: 一种用于根据包括一系列帧的标称流格式分配数字音频序列的过程,每个帧包括至少一个对与数字编码音频元素相对应的多个系数进行分组的数字音频块,包括修改至少一个 原始流序列,以原始流的自适应方式作为代表原始流的结构,内容和参数,目标简档和外部事件的至少一部分特征的函数。

    ADAPTIVE AND PROGRESSIVE AUDIO STREAM SCRAMBLING
    7.
    发明申请
    ADAPTIVE AND PROGRESSIVE AUDIO STREAM SCRAMBLING 有权
    自适应和渐进式音频流

    公开(公告)号:US20120201384A1

    公开(公告)日:2012-08-09

    申请号:US13449437

    申请日:2012-04-18

    IPC分类号: H04K1/04

    摘要: A process for distributing digital audio sequences according to a nominal stream format that include a succession of frames, each of which includes at least one digital audio block grouping a plurality of coefficients corresponding to digitally coded audio elements, including modifying at least one block of an original stream of sequences, in an adaptive manner on the original stream as a function of at least a part of characteristics representative of the structure, content and parameters of the original stream, a target profile and external events.

    摘要翻译: 一种用于根据包括一系列帧的标称流格式分配数字音频序列的过程,每个帧包括至少一个对与数字编码音频元素相对应的多个系数进行分组的数字音频块,包括修改至少一个 原始流序列,以原始流的自适应方式作为代表原始流的结构,内容和参数,目标简档和外部事件的至少一部分特征的函数。

    SECURE AUDIO STREAM SCRAMBLE SYSTEM
    8.
    发明申请
    SECURE AUDIO STREAM SCRAMBLE SYSTEM 有权
    安全音频流控制系统

    公开(公告)号:US20100076773A1

    公开(公告)日:2010-03-25

    申请号:US12628534

    申请日:2009-12-01

    IPC分类号: G10L21/00 G06F17/00

    CPC分类号: H04K1/00 G10L19/00

    摘要: A process for distributing digital audio sequences according to a nominal flux format including a succession of fields, each of which includes at least one digital block clusterizing a selected number of coefficients corresponding to single audio elements that are digitally coded inside the flux and utilized by audio decoders that are able to play it to be able to decode it correctly, including a preparatory step including modifying at least one of the coefficients, and a transmission step including a primary flux in compliance with a nominal format including blocks that were modified during the preparatory step and by a route separated from the primary flux by an additional piece of digital information which allows reconstruction of the original flux starting with a calculation, on recipient equipment, as a function of the primary flux and of the additional information.

    摘要翻译: 根据包括一系列字段的标称通量格式来分配数字音频序列的过程,每个字段包括至少一个数字块,所述至少一个数字块将对应于通量内的数字编码的单个音频元素的选定数量的系数聚类并被音频利用 能够播放它以能够正确解码的解码器,包括准备步骤,包括修改系数中的至少一个,以及传输步骤,包括符合包括在准备期间被修改的块的标称格式的主要通量 通过附加的数字信息片段与主要通量分离的路线,其允许从接收设备开始的计算开始重建原始通量,作为主要通量和附加信息的函数。

    Secure audio stream scramble system
    9.
    发明授权
    Secure audio stream scramble system 有权
    安全音频流加扰系统

    公开(公告)号:US07630492B2

    公开(公告)日:2009-12-08

    申请号:US11092533

    申请日:2005-03-29

    IPC分类号: H04K1/10 H04L9/00

    CPC分类号: H04K1/00 G10L19/00

    摘要: A process for distributing digital audio sequences according to a nominal flux format including a succession of fields, each of which includes at least one digital block clusterizing a selected number of coefficients corresponding to single audio elements that are digitally coded inside the flux and utilized by audio decoders that are able to play it to be able to decode it correctly, including a preparatory step including modifying at least one of the coefficients, and a transmission step including a primary flux in compliance with a nominal format including blocks that were modified during the preparatory step and by a route separated from the primary flux by an additional piece of digital information which allows reconstruction of the original flux starting with a calculation, on recipient equipment, as a function of the primary flux and of the additional information.

    摘要翻译: 根据包括一系列字段的标称通量格式来分配数字音频序列的过程,每个字段包括至少一个数字块,所述至少一个数字块将对应于通量内的数字编码的单个音频元素的选定数量的系数聚类并被音频利用 能够播放它以能够正确解码的解码器,包括准备步骤,包括修改系数中的至少一个,以及传输步骤,包括符合包括在准备期间被修改的块的标称格式的主要通量 通过附加的数字信息片段与主要通量分离的路线,其允许从接收设备开始的计算开始重建原始通量,作为主要通量和附加信息的函数。

    Apparatus and method for scrambling, descrambling and secured distribution of audiovisual sequences stemming from DCT-based video coders
    10.
    发明申请
    Apparatus and method for scrambling, descrambling and secured distribution of audiovisual sequences stemming from DCT-based video coders 审中-公开
    用于对来自基于DCT的视频编码器的视听序列进行加扰,解扰和保证分发的装置和方法

    公开(公告)号:US20060164544A1

    公开(公告)日:2006-07-27

    申请号:US11387628

    申请日:2006-03-23

    IPC分类号: H04N7/12

    摘要: A process and system for secured distribution of video sequences in accordance with the digital stream format based on a DCT transformation constituted of frames including blocks with a fixed or variable size, at least a part of which blocks is calculated with the aid of temporal prediction and spatial prediction optimized from adjacent blocks, in which the prediction mode, cutting into blocks and decoding and filtering parameters for the display are indicted in the binary stream, wherein an analysis of the stream is made prior to transmission to client equipment to generate a modified main stream with the format of the original stream, and with complementary information of any format comprising the digital information suitable for allowing the reconstruction of these modified frames, then the modified main stream and the complementary information are transmitted separately during the distribution phase from a server to the equipment of an addressee.

    摘要翻译: 一种用于根据基于由具有固定或可变大小的块的帧构成的DCT变换根据数字流格式来安全地分发视频序列的过程和系统,其中至少一部分借助时间预测被计算, 从相邻块优化的空间预测,其中在二进制流中指示预测模式,切入块和用于显示的解码和滤波参数,其中在传输到客户端设备之前进行流的分析以生成修改的主 流与原始流的格式,以及包括适于允许重建这些修改的帧的数字信息的任何格式的补充信息,则在分发阶段期间将修改的主流和补充信息分别从服务器传送到 收件人的设备。