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1. 发明授权

US08885818B2 Authentication of data streams 有权
标题翻译：数据流认证
公开(公告)号：US08885818B2
公开(公告)日：2014-11-11
申请号：US13388426
申请日：2010-08-06
申请人： Reinhold Boehm , Alexander Groeschel , Holger Hoerich , Daniel Homm , Wolfgang A. Schildbach , Michael Schug , Oliver Watzke , Martin Wolters , Thomas Ziegler
发明人： Reinhold Boehm , Alexander Groeschel , Holger Hoerich , Daniel Homm , Wolfgang A. Schildbach , Michael Schug , Oliver Watzke , Martin Wolters , Thomas Ziegler
IPC分类号： H04L9/00 , H04L29/06 , H04L9/32 , G11B20/00 , H04H60/73 , H04N21/44 , H04N21/234 , H04N21/835 , H04H20/31 , H04N21/254 , H04N21/435 , H04N21/6332 , H04H60/37 , H04N21/81 , H04N21/462 , H04N21/654 , H04N21/235
CPC分类号： G11B20/00086 , G11B20/00007 , G11B20/00166 , G11B20/00173 , G11B20/00188 , G11B20/0021 , G11B2020/00028 , H04H20/31 , H04H60/37 , H04H60/73 , H04H2201/50 , H04L65/602 , H04N21/23424 , H04N21/235 , H04N21/2541 , H04N21/435 , H04N21/44016 , H04N21/462 , H04N21/6332 , H04N21/654 , H04N21/8106 , H04N21/835
摘要： The present document relates to techniques for authentication of data streams. Specifically, the present document relates to the insertion of identifiers into a data stream, such as a Dolby Pulse, AAC or HE AAC bitstream, and the authentication and verification of the data stream based on such identifiers. A method and system for encoding a data stream comprising a plurality of data frames is described. The method comprises the step of generating a cryptographic value of a number N of successive data frames and configuration information, wherein the configuration information comprises information for rendering the data stream. The method then inserts the cryptographic value into the data stream subsequent to the N successive data frames.
摘要翻译：本文件涉及用于认证数据流的技术。具体地，本文件涉及将标识符插入诸如杜比脉冲，AAC或HE AAC比特流之类的数据流，以及基于这样的标识符的数据流的认证和验证。描述了一种用于对包括多个数据帧的数据流进行编码的方法和系统。该方法包括生成连续数据帧的N个密码值和配置信息的步骤，其中配置信息包括用于呈现数据流的信息。然后，该方法在N个连续数据帧之后将密码值插入到数据流中。

2. 发明授权

US07526432B2 Apparatus and method for producing a data stream and apparatus and method for reading a data stream 有权
标题翻译：用于产生数据流的装置和方法以及用于读取数据流的装置和方法
公开(公告)号：US07526432B2
公开(公告)日：2009-04-28
申请号：US12018136
申请日：2008-01-22
申请人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
发明人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
IPC分类号： G01L21/04
CPC分类号： H03M7/40
摘要： An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from a first reference point, and a second device for writing at least a part of a code word into the data stream in a second direction of writing, which is opposite to the first direction of writing, starting from the other reference point. In particular, when a raster having a plurality of segments is used to write the code words of variable lengths into the data stream, the number of the code words which can be written starting at raster points is doubled, in the best case, such that the data stream of code words of variable lengths is robust toward a propagation of sequence errors.
摘要翻译：熵编码器包括用于产生包括可变长度的码字的两个参考点的数据流的装置，该装置包括用于在第一写入方向上将码字的至少一部分写入数据流的第一装置从第一参考点开始，以及第二装置，用于从另一个参考点开始，以与第一写入方向相反的第二写入方向将码字的至少一部分写入数据流。特别地，当具有多个段的光栅被用于将可变长度的代码字写入数据流时，可以从光栅点开始写入的代码字的数量加倍，最好是使得可变长度的码字的数据流对于序列错误的传播是鲁棒的。

3. 发明申请

US20080111719A1 APPARATUS AND METHOD FOR PRODUCING A DATA STREAM AND APPARATUS AND METHOD FOR READING A DATA STREAM 有权
公开(公告)号：US20080111719A1
公开(公告)日：2008-05-15
申请号：US12018136
申请日：2008-01-22
申请人： Ralph SPERSCHNEIDER , Martin Dietz , Daniel Homm , Reinhold Bohm
发明人： Ralph SPERSCHNEIDER , Martin Dietz , Daniel Homm , Reinhold Bohm
IPC分类号： H03M7/34
CPC分类号： H03M7/40
摘要： An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from a first reference point, and a second device for writing at least a part of a code word into the data stream in a second direction of writing, which is opposite to the first direction of writing, starting from the other reference point. In particular, when a raster having a plurality of segments is used to write the code words of variable lengths into the data stream, the number of the code words which can be written starting at raster points is doubled, in the best case, such that the data stream of code words of variable lengths is robust toward a propagation of sequence errors.

4. 发明申请

US20120128151A1 Authentication of Data Streams 有权
标题翻译：数据流认证
公开(公告)号：US20120128151A1
公开(公告)日：2012-05-24
申请号：US13388426
申请日：2010-08-06
申请人： Reinhold Boehm , Alexander Groeschel , Holger Hoerich , Daniel Homm , Wolfgang A. Schildbach , Michael Schug , Oliver Watzke , Martin Wolters , Thomas Ziegler
发明人： Reinhold Boehm , Alexander Groeschel , Holger Hoerich , Daniel Homm , Wolfgang A. Schildbach , Michael Schug , Oliver Watzke , Martin Wolters , Thomas Ziegler
IPC分类号： H04L9/18
CPC分类号： G11B20/00086 , G11B20/00007 , G11B20/00166 , G11B20/00173 , G11B20/00188 , G11B20/0021 , G11B2020/00028 , H04H20/31 , H04H60/37 , H04H60/73 , H04H2201/50 , H04L65/602 , H04N21/23424 , H04N21/235 , H04N21/2541 , H04N21/435 , H04N21/44016 , H04N21/462 , H04N21/6332 , H04N21/654 , H04N21/8106 , H04N21/835
摘要： The present invention relates to techniques for authentication of data streams. Specifically, the invention relates to the insertion of identifiers into a data stream, such as a Dolby Pulse, AAC or HE AAC bitstream, and the authentication and verification of the data stream based on such identifiers. A method and system for encoding a data stream comprising a plurality of data frames is described. The method comprises the step of generating a cryptographic value of a number N of successive data frames and configuration information, wherein the configuration information comprises information for rendering the data stream. The method then inserts the cryptographic value into the data stream subsequent to the N successive data frames.
摘要翻译：本发明涉及用于认证数据流的技术。具体地，本发明涉及将标识符插入诸如杜比脉冲，AAC或HE AAC比特流之类的数据流，以及基于这些标识符的数据流的认证和验证。描述了一种用于对包括多个数据帧的数据流进行编码的方法和系统。该方法包括生成连续数据帧的N个密码值和配置信息的步骤，其中配置信息包括用于呈现数据流的信息。然后，该方法在N个连续数据帧之后将密码值插入到数据流中。

5. 发明授权

US08046236B2 Apparatus and method for producing a data stream and apparatus and method for reading a data stream 有权
标题翻译：用于产生数据流的装置和方法以及用于读取数据流的装置和方法
公开(公告)号：US08046236B2
公开(公告)日：2011-10-25
申请号：US12124525
申请日：2008-05-21
申请人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
发明人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
IPC分类号： G10L21/04
CPC分类号： H03M7/40
摘要： An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from a first reference point, and a second device for writing at least a part of a code word into the data stream in a second direction of writing, which is opposite to the first direction of writing, starting from the other reference point. In particular, when a raster having a plurality of segments is used to write the code words of variable lengths into the data stream, the number of the code words which can be written starting at raster points is doubled, in the best case, such that the data stream of code words of variable lengths is robust toward a propagation of sequence errors.
摘要翻译：熵编码器包括用于产生包括可变长度的码字的两个参考点的数据流的装置，该装置包括用于在第一写入方向上将码字的至少一部分写入数据流的第一装置从第一参考点开始，以及第二装置，用于从另一个参考点开始，以与第一写入方向相反的第二写入方向将码字的至少一部分写入数据流。特别地，当具有多个段的光栅被用于将可变长度的代码字写入数据流时，可以从光栅点开始写入的代码字的数量加倍，最好是使得可变长度的码字的数据流对于序列错误的传播是鲁棒的。

6. 发明申请

US20050144541A1 Device and method for concealing an error 有权
标题翻译：隐藏错误的设备和方法
公开(公告)号：US20050144541A1
公开(公告)日：2005-06-30
申请号：US10976540
申请日：2004-10-29
申请人： Daniel Homm , Ralph Sperschneider
发明人： Daniel Homm , Ralph Sperschneider
IPC分类号： G10L19/00 , H04N19/895 , G06F11/00
CPC分类号： G10L19/005 , H04N19/69 , H04N19/895
摘要： A device for concealing an error in an erroneous or potentially erroneous information unit generates output values of a forward decoder and a backward decoder which differ and thus indicate an error-concealment area. The different values for one and the same information unit are examined with regard to a predetermined criterion so as to select that value which meets the predetermined criterion, i.e. which is plausible. Thus, an elimination or reduction of the continuation errors introduced in the decoding of blocks of reversible code words of variable lengths is achieved without impacting the compression rate.
摘要翻译：用于隐藏错误或可能错误的信息单元中的错误的装置产生不同的因此指示错误隐藏区域的正向解码器和后向解码器的输出值。对于一个和相同信息单元的不同值，对于预定标准进行检查，以便选择满足预定标准的值，即似乎合理。因此，可以在不影响压缩率的情况下实现在可变长度的可逆码字的块的解码中引入的连续错误的消除或减少。

7. 发明授权

US07433825B1 Apparatus and method for producing a data stream and apparatus and method for reading a data stream 有权
标题翻译：用于产生数据流的装置和方法以及用于读取数据流的装置和方法
公开(公告)号：US07433825B1
公开(公告)日：2008-10-07
申请号：US09913708
申请日：2000-01-17
申请人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
发明人： Ralph Sperschneider , Martin Dietz , Daniel Homm , Reinhold Böhm
IPC分类号： G10L21/04
CPC分类号： H03M7/40
摘要： An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from a first reference point, and a second device for writing at least a part of a code word into the data stream in a second direction of writing, which is opposite to the first direction of writing, starting from the other reference point. In particular, when a raster having a plurality of segments is used to write the code words of variable lengths into the data stream, the number of the code words which can be written starting at raster points is doubled, in the best case, such that the data stream of code words of variable lengths is robust toward a propagation of sequence errors.
摘要翻译：熵编码器包括用于产生包括可变长度的码字的两个参考点的数据流的装置，该装置包括用于在第一写入方向上将码字的至少一部分写入数据流的第一装置从第一参考点开始，以及第二装置，用于从另一个参考点开始，以与第一写入方向相反的第二写入方向将码字的至少一部分写入数据流。特别地，当具有多个段的光栅被用于将可变长度的代码字写入数据流时，可以从光栅点开始写入的代码字的数量加倍，最好是使得可变长度的码字的数据流对于序列错误的传播是鲁棒的。

8. 发明授权

US07428684B2 Device and method for concealing an error 有权
标题翻译：隐藏错误的设备和方法
公开(公告)号：US07428684B2
公开(公告)日：2008-09-23
申请号：US10976540
申请日：2004-10-29
申请人： Daniel Homm , Ralph Sperschneider
发明人： Daniel Homm , Ralph Sperschneider
IPC分类号： G06F11/00
CPC分类号： G10L19/005 , H04N19/69 , H04N19/895
摘要： A device for concealing an error in an erroneous or potentially erroneous information unit generates output values of a forward decoder and a backward decoder which differ and thus indicate an error-concealment area. The different values for one and the same information unit are examined with regard to a predetermined criterion so as to select that value which meets the predetermined criterion, i.e. which is plausible. Thus, an elimination or reduction of the continuation errors introduced in the decoding of blocks of reversible code words of variable lengths is achieved without impacting the compression rate.
摘要翻译：用于隐藏错误或可能错误的信息单元中的错误的装置产生不同的因此指示错误隐藏区域的正向解码器和后向解码器的输出值。对于一个和相同信息单元的不同值，对于预定标准进行检查，以便选择满足预定标准的值，即似乎合理。因此，可以在不影响压缩率的情况下实现在可变长度的可逆码字的块的解码中引入的连续错误的消除或减少。

9. 发明申请

US20080219355A1 APPARATUS AND METHOD FOR PRODUCING A DATA STREAM AND APPARATUS AND METHOD FOR READING A DATA STREAM 有权
标题翻译：用于产生数据流的装置和方法以及用于读取数据流的装置和方法
公开(公告)号：US20080219355A1
公开(公告)日：2008-09-11
申请号：US12124525
申请日：2008-05-21
申请人： Ralph SPERSCHNEIDER , Martin Dietz , Daniel Homm , Reinhold Bohm
发明人： Ralph SPERSCHNEIDER , Martin Dietz , Daniel Homm , Reinhold Bohm
IPC分类号： H04N7/26
CPC分类号： H03M7/40
摘要： An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from a first reference point, and a second device for writing at least a part of a code word into the data stream in a second direction of writing, which is opposite to the first direction of writing, starting from the other reference point. In particular, when a raster having a plurality of segments is used to write the code words of variable lengths into the data stream, the number of the code words which can be written starting at raster points is doubled, in the best case, such that the data stream of code words of variable lengths is robust toward a propagation of sequence errors.
摘要翻译：熵编码器包括用于产生包括可变长度的码字的两个参考点的数据流的装置，该装置包括用于在第一写入方向上将码字的至少一部分写入数据流的第一装置从第一参考点开始，以及第二装置，用于从另一个参考点开始，以与第一写入方向相反的第二写入方向将码字的至少一部分写入数据流。特别地，当具有多个段的光栅被用于将可变长度的代码字写入数据流时，可以从光栅点开始写入的代码字的数量加倍，最好是使得可变长度的码字的数据流对于序列错误的传播是鲁棒的。

10. 发明授权

US07003448B1 Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signal 有权
标题翻译：用于编码音频信号中的错误隐藏的方法和装置，以及用于对编码的音频信号进行解码的方法和装置
公开(公告)号：US07003448B1
公开(公告)日：2006-02-21
申请号：US09980534
申请日：2000-04-12
申请人： Pierre Lauber , Martin Dietz , Juergen Herre , Reinhold Boehm , Ralph Sperschneider , Daniel Homm
发明人： Pierre Lauber , Martin Dietz , Juergen Herre , Reinhold Boehm , Ralph Sperschneider , Daniel Homm
IPC分类号： G10L19/00
CPC分类号： G10L19/005
摘要： In a method for concealing an error in an encoded audio signal a set of spectral coefficients is subdivided into at least two sub-bands (14), whereupon the sub-bands are subjected to a re-verse transform (16). A specific prediction is performed (18) for each quasi time signal of a sub-band to obtain an estimated temporal representation for a sub-band of a set of spectral coefficients following the current set. A forward transform (20) of the time signal of each sub-band provides estimated spectral coefficients which can be used (28) instead of erroneous spectral coefficients of a following set of spectral coefficients, e.g. in order to conceal transmission errors. Transforming at the sub-band level provides independence from transform characteristics such as block length, window type and MDCT algorithm while at the same time preserving spectral processing for error concealment. Thus the spectral characteristics of audio signals can also be taken into account during error concealment.
摘要翻译：在用于隐藏编码音频信号中的错误的方法中，一组频谱系数被细分为至少两个子带（14），于是子带经受逆变换（16）。对于子带的每个准时间信号执行特定的预测（18），以获得在当前集合之后的一组频谱系数的子带的估计时间表示。每个子带的时间信号的正向变换（20）提供可以使用的估计的频谱系数（28），而不是以下的频谱系数集合的错误频谱系数，例如。以掩盖传输错误。在子带级变换提供独立于诸如块长度，窗口类型和MDCT算法的变换特征，同时保留用于错误隐藏的频谱处理。因此，在错误隐藏期间也可以考虑音频信号的频谱特性。

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