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11. 发明授权

US08489392B2 System and method for modeling speech spectra 有权
标题翻译：语音谱建模系统和方法
公开(公告)号：US08489392B2
公开(公告)日：2013-07-16
申请号：US11855108
申请日：2007-09-13
申请人： Jani Nurminen , Sakari Himanen
发明人： Jani Nurminen , Sakari Himanen
IPC分类号： G10L11/06
CPC分类号： G10L25/93 , G10L19/0204 , G10L2025/935
摘要： A system and method for modeling speech in such a way that both voiced and unvoiced contributions can co-exist at certain frequencies. In various embodiments, three spectral bands (or bands of up to three different types) are used. In one embodiment, the lowest band or group of bands is completely voiced, the middle band or group of bands contains both voiced and unvoiced contributions, and the highest band or group of bands is completely unvoiced. The embodiments of the present invention may be used for speech coding and other speech processing applications.
摘要翻译：一种用于对语音进行建模的系统和方法，使得有声和无声的贡献可以在某些频率下共存。在各种实施例中，使用三个光谱带（或多达三种不同类型的频带）。在一个实施例中，最低频带或频带组完全浊音，中间频带或频带组包含有声和无声贡献，并且最高频带或组的频带完全无声。本发明的实施例可以用于语音编码和其他语音处理应用。

12. 发明申请

US20090094027A1 Method, Apparatus and Computer Program Product for Providing Improved Voice Conversion 失效
标题翻译：提供改进语音转换的方法，设备和计算机程序产品
公开(公告)号：US20090094027A1
公开(公告)日：2009-04-09
申请号：US11867033
申请日：2007-10-04
申请人： Jani Nurminen , Elina Helander
发明人： Jani Nurminen , Elina Helander
IPC分类号： G10L15/26
CPC分类号： G10L13/033 , G10L2021/0135
摘要： An apparatus for providing improved voice conversion includes a sub-feature generator and a transformation element. The sub-feature generator may be configured to define sub-feature units with respect to a feature of source speech. The transformation element may be configured to perform voice conversion of the source speech to target speech based on the conversion of the sub-feature units to corresponding target speech sub-feature units using a conversion model trained with respect to converting training source speech sub-feature units to training target speech sub-feature units.
摘要翻译：用于提供改进的语音转换的装置包括子特征生成器和变换元件。子特征生成器可以被配置为相对于源语音的特征定义子特征单元。转换元件可以被配置为基于使用针对转换训练源语音子特征而训练的转换模型，将子特征单元转换为对应的目标语音子特征单元来执行源语音到目标语音的语音转换单位训练目标语音子特征单位。

13. 发明申请

US20070094019A1 Compression and decompression of data vectors 失效
标题翻译：数据向量的压缩和解压缩
公开(公告)号：US20070094019A1
公开(公告)日：2007-04-26
申请号：US11256667
申请日：2005-10-21
申请人： Jani Nurminen
发明人： Jani Nurminen
IPC分类号： G10L19/12
CPC分类号： H03M7/40 , G10L2019/0005
摘要： For an enhanced sequential compression of data vectors in a respective compression pass, a current data vector is mapped to at least one current code vector of at least one codebook in at least one quantization stage. The at least one codebook is reordered taking account of at least one intermediate result from the current compression pass and at least one intermediate result from a preceding compression pass. At least one codebook index that is associated in the at least one reordered codebook to the at least one current code vector is then provided for further use. For a decompression of compressed data vectors represented by such codebook indices, at least one codebook index is mapped to at least one code vector of at least one equally reordered codebook.
摘要翻译：为了在相应的压缩过程中对数据向量进行增强的顺序压缩，将当前数据矢量映射到至少一个量化级中的至少一个码本的至少一个当前码矢量。考虑到来自当前压缩遍的至少一个中间结果和来自前一压缩遍的至少一个中间结果，重新排序至少一个码本。然后提供至少一个与至少一个重排序码本相关联的至少一个当前码矢量的码本索引用于进一步使用。对于由这样的码本索引表示的压缩数据向量的解压缩，至少一个码本索引被映射到至少一个同样重排的码本的至少一个码矢量。

14. 发明授权

US08380496B2 Method and system for pitch contour quantization in audio coding 有权
标题翻译：音频编码中音调轮廓量化的方法和系统
公开(公告)号：US08380496B2
公开(公告)日：2013-02-19
申请号：US12150307
申请日：2008-04-25
申请人： Anssi Rämö , Jani Nurminen , Sakari Himanen , Ari Heikkinen
发明人： Anssi Rämö , Jani Nurminen , Sakari Himanen , Ari Heikkinen
IPC分类号： G10L11/04 , G10L19/00
CPC分类号： G10L19/032 , G10L19/09
摘要： A method and device for improving coding efficiency in audio coding. From the pitch values of a pitch contour of an audio signal, a plurality of simplified pitch contour segments are generated to approximate the pitch contour, based on one or more pre-selected criteria. The contour segments can be linear or non-linear with each contour segment represented by a first end point and a second end point. If the contour segments are linear, then only the information regarding the end points, instead of the pitch values, are provided to a decoder for reconstructing the audio signal. The contour segment can have a fixed maximum length or a variable length, but the deviation between a contour segment and the pitch values in that segment is limited by a maximum value.
摘要翻译：一种提高音频编码效率的方法和装置。根据音频信号的音调轮廓的音调值，基于一个或多个预先选择的标准，生成多个简化俯仰轮廓线段以近似俯仰轮廓。轮廓段可以是由第一终点和第二终点表示的每个轮廓段线性或非线性的。如果轮廓段是线性的，则仅将关于终点而不是音调值的信息提供给用于重建音频信号的解码器。轮廓段可以具有固定的最大长度或可变长度，但轮廓段与该段中的俯仰值之间的偏差受到最大值的限制。

15. 发明授权

US08131550B2 Method, apparatus and computer program product for providing improved voice conversion 失效
标题翻译：用于提供改进的语音转换的方法，装置和计算机程序产品
公开(公告)号：US08131550B2
公开(公告)日：2012-03-06
申请号：US11867033
申请日：2007-10-04
申请人： Jani Nurminen , Elina Helander
发明人： Jani Nurminen , Elina Helander
IPC分类号： G10L13/00
CPC分类号： G10L13/033 , G10L2021/0135
摘要： An apparatus for providing improved voice conversion includes a sub-feature generator and a transformation element. The sub-feature generator may be configured to define sub-feature units with respect to a feature of source speech. The transformation element may be configured to perform voice conversion of the source speech to target speech based on the conversion of the sub-feature units to corresponding target speech sub-feature units using a conversion model trained with respect to converting training source speech sub-feature units to training target speech sub-feature units.
摘要翻译：用于提供改进的语音转换的装置包括子特征生成器和变换元件。子特征生成器可以被配置为相对于源语音的特征定义子特征单元。转换元件可以被配置为基于使用针对转换训练源语音子特征而训练的转换模型，将子特征单元转换为对应的目标语音子特征单元来执行源语音到目标语音的语音转换单位训练目标语音子特征单位。

16. 发明申请

US20060080090A1 Reusing codebooks in parameter quantization 审中-公开
标题翻译：在参数量化中重用码本
公开(公告)号：US20060080090A1
公开(公告)日：2006-04-13
申请号：US10961471
申请日：2004-10-07
申请人： Anssi Ramo , Sakari Himanen , Jani Nurminen
发明人： Anssi Ramo , Sakari Himanen , Jani Nurminen
IPC分类号： G10L19/12
CPC分类号： G10L19/07
摘要： The present invention provides a new methodology for reusing codebooks for a multistage vector quantization of parameter quantizers of signals. Prior art multistage vector quantization is done in such a way that each stage has different optimized codebooks. The prior art codebooks, thus, use quite a lot of a memory storage space. Using the same codebook stages several times, according to the present invention, reduces the memory usage and a codebook structure maintains good quality by using optimized codebooks for the most important (first) stages in the quantization. The number of codebooks is reduced by reusing the same codebooks in the refining stages. Additionally, according to the present invention, using many predictors is space-wise efficient since they need only a few of coefficients instead of larger codebooks.
摘要翻译：本发明提供了一种用于重新使用信号参数量化器的多级矢量量化码本的新方法。现有技术的多级矢量量化是以每一级具有不同优化码本的方式完成的。因此，现有技术的码本使用相当多的存储器存储空间。使用相同的码本阶段，根据本发明，通过使用量化中最重要的（第一）级的优化码本来减少存储器使用并且码本结构保持良好的质量。通过在精炼阶段重复使用相同的码本来减少码本的数量。此外，根据本发明，使用许多预测器是空间有效的，因为它们仅需要少数系数而不是较大的码本。

17. 发明申请

US20060074924A1 Optimization of text-based training set selection for language processing modules 有权
标题翻译：优化语言处理模块的基于文本的训练集选择
公开(公告)号：US20060074924A1
公开(公告)日：2006-04-06
申请号：US10944517
申请日：2004-09-17
申请人： Jian Tilei , Jani Nurminen
发明人： Jian Tilei , Jani Nurminen
IPC分类号： G06F7/00
CPC分类号： G10L15/063 , G10L13/08
摘要： A device and a method provide for selection of a database from a corpus using an, optimization function. The method includes defining a size of a database, calculating a distance using a distance function for each pair in a set of pairs, and executing an optimization function using the distance to select each entry saved in the database until the number of saved entries equals the size of the database. Each pair in the set of pairs includes either two entries selected from a corpus or one entry selected from a set of previously selected entries and another entry selected from a set of a remaining portion of the corpus. The distance function may be a Levenshtein distance function or a generalized Levenshtein distance function.
摘要翻译：设备和方法使用优化功能提供从语料库中选择数据库。该方法包括定义数据库的大小，使用一组对中的每对的距离函数计算距离，以及使用距离来执行优化功能，以选择保存在数据库中的每个条目，直到保存的条目数等于数据库的大小。该组对中的每一对包括从语料库中选择的两个条目或从一组先前选择的条目中选择的一个条目以及从语料库的剩余部分的集合中选择的另一条目。距离函数可以是Levenshtein距离函数或广义Levenshtein距离函数。

18. 发明授权

US08086057B2 Dynamic quantizer structures for efficient compression 有权
标题翻译：用于高效压缩的动态量化器结构
公开(公告)号：US08086057B2
公开(公告)日：2011-12-27
申请号：US11855778
申请日：2007-09-14
申请人： Jani Nurminen , Sakari Himanen
发明人： Jani Nurminen , Sakari Himanen
IPC分类号： G06K9/00
CPC分类号： H04N19/126 , G10L19/032 , H04N19/46
摘要： A method and system are introduced that provide dynamic quantizer structures which are configurable during run time. A quantizer configuration and data are stored in a binary format. The dynamic quantizer data is represented as a bitstream, and the bitstream in turn is used as additional input during initialization (or re-initialization/re-configuration) of a speech coder. A configuration header fully specifies the structure and configuration of the dynamic quantizer for each quantized parameter, and the dynamic quantizer data and configurations are fully and dynamically allocated into the speech coder memory. This enables easy re-configuration of a codec associated with the quantizer structures for different scenarios. The use of dynamic quantizer structures in turn enhances compression efficiency of an input signal. The dynamic quantizer structures can also be applied to other compression applications that allow lossy compression.
摘要翻译：引入了一种提供在运行时可配置的动态量化器结构的方法和系统。量化器配置和数据以二进制格式存储。动态量化器数据被表示为比特流，并且在语音编码器的初始化（或重新初始化/重新配置）期间，比特流又被用作附加输入。配置头完全指定每个量化参数的动态量化器的结构和配置，动态量化器数据和配置被完全和动态地分配到语音编码器存储器中。这使得能够容易地重新配置与用于不同场景的量化器结构相关联的编解码器。动态量化器结构的使用又提高了输入信号的压缩效率。动态量化器结构也可以应用于允许有损压缩的其他压缩应用。

19. 发明申请

US20080275695A1 Method and system for pitch contour quantization in audio coding 有权
标题翻译：音频编码中音调轮廓量化的方法和系统
公开(公告)号：US20080275695A1
公开(公告)日：2008-11-06
申请号：US12150307
申请日：2008-04-25
申请人： Anssi Ramo , Jani Nurminen , Sakari Himanen , Ari Heikkinen
发明人： Anssi Ramo , Jani Nurminen , Sakari Himanen , Ari Heikkinen
IPC分类号： G10L11/04
CPC分类号： G10L19/032 , G10L19/09
摘要： A method and device for improving coding efficiency in audio coding. From the pitch values of a pitch contour of an audio signal, a plurality of simplified pitch contour segments are generated to approximate the pitch contour, based on one or more pre-selected criteria. The contour segments can be linear or non-linear with each contour segment represented by a first end point and a second end point. If the contour segments are linear, then only the information regarding the end points, instead of the pitch values, are provided to a decoder for reconstructing the audio signal. The contour segment can have a fixed maximum length or a variable length, but the deviation between a contour segment and the pitch values in that segment is limited by a maximum value.
摘要翻译：一种提高音频编码效率的方法和装置。根据音频信号的音调轮廓的音调值，基于一个或多个预先选择的标准，生成多个简化俯仰轮廓线段以近似俯仰轮廓。轮廓段可以是由第一终点和第二终点表示的每个轮廓段线性或非线性的。如果轮廓段是线性的，则仅将关于终点而不是音调值的信息提供给用于重建音频信号的解码器。轮廓段可以具有固定的最大长度或可变长度，但轮廓段与该段中的俯仰值之间的偏差受到最大值的限制。

20. 发明申请

US20080109218A1 SYSTEM AND METHOD FOR MODELING SPEECH SPECTRA 有权
标题翻译：用于建模语音频谱的系统和方法
公开(公告)号：US20080109218A1
公开(公告)日：2008-05-08
申请号：US11855108
申请日：2007-09-13
申请人： Jani Nurminen , Sakari Himanen
发明人： Jani Nurminen , Sakari Himanen
IPC分类号： G10L21/00
CPC分类号： G10L25/93 , G10L19/0204 , G10L2025/935
摘要： A system and method for modeling speech in such a way that both voiced and unvoiced contributions can co-exist at certain frequencies. In various embodiments, three spectral bands (or bands of up to three different types) are used. In one embodiment, the lowest band or group of bands is completely voiced, the middle band or group of bands contains both voiced and unvoiced contributions, and the highest band or group of bands is completely unvoiced. The embodiments of the present invention may be used for speech coding and other speech processing applications.
摘要翻译：一种用于对语音进行建模的系统和方法，使得有声和无声的贡献可以在某些频率下共存。在各种实施例中，使用三个光谱带（或多达三种不同类型的频带）。在一个实施例中，最低频带或频带组完全浊音，中间频带或频带组包含有声和无声贡献，并且最高频带或组的频带完全无声。本发明的实施例可以用于语音编码和其他语音处理应用。

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