公开(公告)号：US20090187411A1

公开(公告)日：2009-07-23

申请号：US12278882

申请日：2007-02-09

申请人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

发明人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

IPC分类号： G10L19/00

CPC分类号： G10L19/093

摘要： A method is provided for coding a source audio signal, involving the transformation of an amplitude/time space into a multi-component amplitude/phase/time space, including the sinusoidal modeling of the audio signal and the delivery of the sinusoidal components that change over time. The method includes the following steps in which: the components are compared to one another in order to define at least one group with at least two components using at least one similarity criterion; and, for at least one group, at least one reference datum is coded, the reference datum being represented by an evolved phase originating from a first component of the group, known as the reference component, and at least one complement datum is coded, the complement datum being associated with at least a second component from the group and, together with the reference datum, enabling the reconstruction of at least one piece of information that is representative of at least one component.

摘要翻译： 提供了一种用于对源音频信号进行编码的方法，包括将幅度/时间空间变换成多分量幅度/相位/时间空间，包括音频信号的正弦模拟和改变的正弦分量的传递 时间。 该方法包括以下步骤，其中：将组件彼此进行比较，以便使用至少一个相似性标准来定义具有至少两个组件的至少一个组; 并且对于至少一个组，对至少一个参考数据进行编码，参考数据由源自组的第一组件的演进阶段表示，称为参考组件，并且至少一个补码数据被编码， 补充数据与来自该组的至少一个第二组件相关联，并与参考数据一起使能重建代表至少一个组件的至少一条信息。

公开(公告)号：US08224660B2

公开(公告)日：2012-07-17

申请号：US12282731

申请日：2007-03-12

申请人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

发明人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

IPC分类号： G10L19/00

CPC分类号： G10L19/035

摘要： A method is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of at least one transform of the source audio signal, according to at least to distinct coding techniques, delivering at least two sets of data representative of a quantization profile; selecting one of the sets of data representative of a quantization profile, as a function of a predetermined selection criterion; transmitting and/or storing the set of data representative of a selected quantization profile and an indicator representative of the corresponding coding technique.

摘要翻译： 提供了一种用于对源音频信号进行编码的方法。 该方法包括以下步骤：根据至少不同的编码技术编码表示源音频信号的至少一个变换的系数的量化简档，传送表示量化简档的至少两组数据; 根据预定的选择标准选择表示量化曲线的数据组中的一个; 发送和/或存储表示所选择的量化简档的数据集合和表示对应编码技术的指示符。

公开(公告)号：US20090083043A1

公开(公告)日：2009-03-26

申请号：US12282731

申请日：2007-03-12

申请人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

发明人： Pierrick Philippe ,  Christophe Veaux ,  Patrice Collen

IPC分类号： H04B1/66

CPC分类号： G10L19/035

摘要： A method is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of at least one transform of the source audio signal, according to at least to distinct coding techniques, delivering at least two sets of data representative of a quantization profile; selecting one of the sets of data representative of a quantization profile, as a function of a predetermined selection criterion; transmitting and/or storing the set of data representative of a selected quantization profile and an indicator representative of the corresponding coding technique.

摘要翻译： 提供了一种用于对源音频信号进行编码的方法。 该方法包括以下步骤：根据至少不同的编码技术编码表示源音频信号的至少一个变换的系数的量化简档，传送表示量化简档的至少两组数据; 根据预定的选择标准选择表示量化曲线的数据组中的一个; 发送和/或存储表示所选择的量化简档的数据集合和表示对应编码技术的指示符。

公开(公告)号：US08239208B2

公开(公告)日：2012-08-07

申请号：US12757183

申请日：2010-04-09

申请人： Pierrick Philippe ,  Patrice Collen

发明人： Pierrick Philippe ,  Patrice Collen

IPC分类号： G06F15/00 ,  G10L11/00 ,  G10L19/00

CPC分类号： G10L21/038

摘要： The invention concerns a method for spectral enhancement and a device therefor. The inventive method is a method for enhancing spectral content of a signal having an incomplete spectrum including a first spectral band, the method including the following steps: at least transposing the spectral content of the first band into a second spectral band not included in the spectrum to generate a transposed spectrum signal, with spectrum limited to the second spectral band; transforming the spectrum of the transposed spectrum signal to obtain an enhancing signal; combining the incomplete spectrum signal and the enhancing signal to produce a spectrum enhanced signal. The invention is characterized in that the spectral content is subjected to a whitening step.

摘要翻译： 本发明涉及一种用于光谱增强的方法及其装置。 本发明的方法是一种用于增强具有包括第一频谱带的不完整频谱的信号的频谱含量的方法，该方法包括以下步骤：至少将第一频带的频谱内容转换成不包括在频谱中的第二频谱带 以产生频谱受限于第二光谱带的转置频谱信号; 变换频谱信号的频谱以获得增强信号; 组合不完整的频谱信号和增强信号以产生频谱增强信号。 本发明的特征在于对光谱含量进行白化步骤。

公开(公告)号：US07742927B2

公开(公告)日：2010-06-22

申请号：US10257916

申请日：2001-04-12

申请人： Pierrick Philippe ,  Patrice Collen

发明人： Pierrick Philippe ,  Patrice Collen

IPC分类号： G06F15/00 ,  G10L11/00 ,  G10L19/00

CPC分类号： G10L21/038

摘要： The present invention relates to a spectral enhancement method and to an apparatus carrying out this method. The method of the invention enhanced the spectral content of a signal having an incomplete spectrum including a first spectral frequency band, the method comprising the following stages: at least one spectral content transposition of said first frequency band into a second spectral frequency band not included in said spectrum for the purpose of generating a transposed spectrum signal having a spectrum limited to said second spectral frequency band, shaping the spectrum of the transposed spectrum signal for the purpose of producing an enhanced signal, combining an incomplete spectrum signal and the enhanced signal for the purpose of producing an enhanced spectrum signal, characterized in that said spectral content is subject to a stage of whitening.

摘要翻译： 本发明涉及一种频谱增强方法和涉及该方法的装置。 本发明的方法增强了具有包括第一频谱频带的不完整频谱的信号的频谱含量，该方法包括以下阶段：将所述第一频带的至少一个频谱内容转置成不包括在第二频谱频带中的第二频谱频带 所述频谱用于产生具有限于所述第二频谱频带的频谱的转置频谱信号的目的，对转置的频谱信号的频谱进行整形，以产生增强的信号，将不完整的频谱信号和增强的信号组合为 产生增强光谱信号的目的在于，其特征在于所述光谱含量经受白化阶段。

公开(公告)号：US20090171672A1

公开(公告)日：2009-07-02

申请号：US12278547

申请日：2007-02-05

申请人： Pierrick Philippe ,  Patrice Collen ,  Christophe Veaux

发明人： Pierrick Philippe ,  Patrice Collen ,  Christophe Veaux

IPC分类号： G10L19/00

CPC分类号： G10L19/022 ,  G10L19/167 ,  G10L19/24

摘要： A method of hierarchically coding a source audio signal in the form of a data stream (200) comprising a base level (207) and at least two hierarchical enhancement levels (208, 209, 210, 211), each of said levels being organized in successive frames.At least one frame of at least one enhancement level (208, 209, 210, 211) has a duration less than the duration of at least one frame of said base level (207), and at least one indication representative of an order used for a set of frames corresponding to the duration of at least one frame of said base level (207) is inserted into said stream.

摘要翻译： 以包括基本电平（207）和至少两个分层增强电平（208,209,210,211）的数据流（200）的形式对源音频信号进行分层编码的方法，每个所述电平被组织在 连续帧。 至少一个至少一个增强级别（208,209,210,211）的帧具有小于所述基本级（207）的至少一个帧的持续时间的持续时间，并且至少一个指示代表用于 对应于所述基本电平（207）的至少一个帧的持续时间的一组帧被插入到所述流中。

公开(公告)号：US08321230B2

公开(公告)日：2012-11-27

申请号：US12278547

申请日：2007-02-05

申请人： Pierrick Philippe ,  Patrice Collen ,  Christophe Veaux

发明人： Pierrick Philippe ,  Patrice Collen ,  Christophe Veaux

IPC分类号： G10L19/00

CPC分类号： G10L19/022 ,  G10L19/167 ,  G10L19/24

摘要： Hierarchical coding of a source audio signal in the form of a data stream including a base level and at least two hierarchical enhancement levels, each of the levels being organized in successive frames. At least one frame of at least one enhancement level has a duration less than the duration of at least one frame of the base level. At least one indication representative of an order used for a set of enhancement level frames corresponding to the duration of at least one frame of the base level is inserted into the data stream.

摘要翻译： 以包括基本电平和至少两个分层增强电平的数据流的形式的源音频信号的分层编码，每个电平被组织在连续的帧中。 至少一个至少一个增强级别的帧具有小于基本级别的至少一个帧的持续时间的持续时间。 至少一个代表用于一组对应于基本级别的至少一个帧的持续时间的增强级别帧的顺序的指示被插入到数据流中。

公开(公告)号：US09847085B2

公开(公告)日：2017-12-19

申请号：US13995718

申请日：2011-12-16

申请人： Pierrick Philippe ,  David Virette

发明人： Pierrick Philippe ,  David Virette

IPC分类号： G10L19/00 ,  G10L19/26 ,  G10L19/02 ,  G10L19/022

CPC分类号： G10L19/00 ,  G10L19/02 ,  G10L19/0204 ,  G10L19/0212 ,  G10L19/022 ,  G10L19/26

摘要： A method for processing a signal in the form of consecutive sample blocks, the method comprising filtering in a transformed domain of sub-bands, and particularly equalization processing, applied to a current block in the transformed domain, and filtering-adjustment processing that is applied in the transformed domain to at least one block adjacent to the current block.

公开(公告)号：US08788555B2

公开(公告)日：2014-07-22

申请号：US13056154

申请日：2009-07-03

申请人： Pierrick Philippe ,  David Virette

发明人： Pierrick Philippe ,  David Virette

IPC分类号： G06F17/17

CPC分类号： G10L19/0212 ,  H03H17/0264

摘要： A method for updating the processing capacity of an encoder or decoder to use a modulated transform having a size greater than a predetermined initial size is provided, particularly, where the encoders or decoders are for storing an initial prototype filter defined by an ordered set of initial size coefficients. A step is provided for constructing a prototype filter of a size greater than the initial size to implement the modulated transform of the greater size by inserting at least one coefficient between two consecutive coefficients of the initial prototype filter.

摘要翻译： 提供了一种用于更新编码器或解码器以使用尺寸大于预定初始尺寸的调制变换的处理能力的方法，特别地，其中编码器或解码器用于存储由初始化的有序集合定义的初始原型滤波器 尺寸系数。 提供了一个步骤，用于构建大于初始尺寸的原型滤波器，以通过在初始原型滤波器的两个连续系数之间插入至少一个系数来实现较大尺寸的调制变换。

公开(公告)号：US20110129092A1

公开(公告)日：2011-06-02

申请号：US13056169

申请日：2009-07-03

申请人： David Virette ,  Pierrick Philippe

发明人： David Virette ,  Pierrick Philippe

IPC分类号： H04R5/00

CPC分类号： G10L19/008 ,  G10L19/005 ,  H04R2420/03 ,  H04S3/02

摘要： A method for processing sound data is provided for the reconstruction of multi-channel audio data on the basis at least of data on a reduced number of channels and of spatialization data. A test is carried out to determine whether the spatialization data received are valid. If the test is positive, a spatialization value is predicted according to a per respective model of a plurality of models. A prediction model is chosen on the basis of the spatialization values thus predicted and on the basis of the spatialization data received, to permit, in case of subsequent reception of defective spatialization data, a prediction according to this chosen model of a spatialization value and to use this predicted spatialization value for the reconstruction of the multi-channel audio data.

摘要翻译： 提供用于处理声音数据的方法，用于至少基于减少数量的信道和空间数据的数据的重建多声道音频数据。 进行测试以确定接收到的空间化数据是否有效。 如果测试是正的，则根据多个模型的每个相应模型来预测空间化值。 基于如此预测的空间化值，并且基于所接收的空间化数据来选择预测模型，以便在随后接收不合格的空间数据的情况下，根据该空间化值的所选择的模型进行预测，并且 使用该预测的空间化值来重建多声道音频数据。