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1. 发明授权

US09847085B2 Filtering in the transformed domain 有权
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.

2. 发明授权

US08788555B2 Method for updating an encoder by filter interpolation 有权
标题翻译：通过滤波器插值更新编码器的方法
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。

3. 发明申请

US20110129092A1 RECONSTRUCTION OF MULTI-CHANNEL AUDIO DATA 有权
标题翻译：重建多通道音频数据
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。

4. 发明授权

US08880411B2 Critical sampling encoding with a predictive encoder 有权
标题翻译：用预测编码器进行关键采样编码
公开(公告)号：US08880411B2
公开(公告)日：2014-11-04
申请号：US13120473
申请日：2009-10-05
申请人： Pierrick Philippe , David Virette
发明人： Pierrick Philippe , David Virette
IPC分类号： G10L21/00 , G10L19/022 , H04R5/00 , H04B1/00 , G10L19/02 , G10L19/107 , G10L19/20 , G10L19/04
CPC分类号： G10L19/022 , G10L19/0212 , G10L19/04 , G10L19/107 , G10L19/20
摘要： A method for encoding and decoding a digital audio signal is provided, said method comprising the steps of: encoding a first sequence of samples of the digital signal according to a transform encoding; encoding a second sequence of samples of the digital signal according to a predictive encoding; wherein the second sequence starts before the end of the first sequence, a subsequence common to the first and second sequences being thus encoded both by predictive encoding and by transform encoding.
摘要翻译：提供了一种对数字音频信号进行编码和解码的方法，所述方法包括以下步骤：根据变换编码对数字信号的第一采样序列进行编码; 根据预测编码对数字信号的第二采样序列进行编码; 其中所述第二序列在所述第一序列结束之前开始，因此通过预测编码和通过变换编码对所述第一和第二序列共同的子序列进行编码。

5. 发明授权

US08253609B2 Transform-based coding/decoding, with adaptive windows 有权
标题翻译：基于变换的编码/解码，具有自适应窗口
公开(公告)号：US08253609B2
公开(公告)日：2012-08-28
申请号：US12809666
申请日：2008-12-11
申请人： Pierrick Philippe , David Virette
发明人： Pierrick Philippe , David Virette
IPC分类号： H03M7/34
CPC分类号： H04N19/60 , G10L19/0212 , G10L19/022
摘要： The present invention provides coding/decoding a digital signal, in particular using a transform with overlap employing weighting windows. In the invention, two consecutive and equal-size blocks of samples of the signal may be weighted by respective different successive windows. These two windows may be chosen independently of each other according to a criterion specific to the characteristics of the signal (entropy, data rate/distortion, etc.) that are determined for each of the two blocks.
摘要翻译：本发明提供对数字信号的编码/解码，特别是使用加权窗口的重叠变换。在本发明中，可以通过相应的不同连续窗口对信号的两个连续和相等大小的样本块进行加权。这两个窗口可以根据针对两个块中的每一个确定的信号特性（熵，数据速率/失真等）的标准彼此独立地选择。

6. 发明授权

US08867752B2 Reconstruction of multi-channel audio data 有权
标题翻译：重建多声道音频数据
公开(公告)号：US08867752B2
公开(公告)日：2014-10-21
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 , G10L19/00 , G10L21/00 , G10L19/008 , H04S3/02 , G10L19/005
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。

7. 发明申请

US20130282387A1 FILTERING IN THE TRANSFORMED DOMAIN 有权
标题翻译：在变换域中进行过滤
公开(公告)号：US20130282387A1
公开(公告)日：2013-10-24
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
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.
摘要翻译：一种用于处理连续样本块形式的信号的方法，所述方法包括对变换域中的当前块应用的子带的变换域，特别是均衡处理进行滤波，以及应用滤波调整处理在变换的域中至少一个与当前块相邻的块。

8. 发明申请

US20100076754A1 LOW-DELAY TRANSFORM CODING USING WEIGHTING WINDOWS 有权
标题翻译：使用称重窗口的低延迟变换编码
公开(公告)号：US20100076754A1
公开(公告)日：2010-03-25
申请号：US12448734
申请日：2007-12-18
申请人： Balazs Kovesi , David Virette , Pierrick Philippe
发明人： Balazs Kovesi , David Virette , Pierrick Philippe
IPC分类号： G10L19/02
CPC分类号： G10L19/022
摘要： The invention relates to transform coding/decoding of a digital audio signal represented by a succession of frames, using windows of different lengths. For the coding within the meaning of the invention, it is sought to detect (51) a particular event, such as an attack, in a current frame (Ti): and, at least if said particular event is detected at the start of the current frame (53), a short window (54) is directly applied in order to code (56) the current frame (Ti) without applying a transition window. Thus, the coding has a reduced delay in relation to the prior art. In addition, an ad hoc processing is applied during decoding in order to compensate for the direct passage from a long window to a short window during coding.
摘要翻译：本发明涉及使用不同长度的窗口的由一系列帧代表的数字音频信号的变换编码/解码。对于本发明意义上的编码，寻求在当前帧（Ti）中检测（51）特定事件，例如攻击，并且至少如果在该帧的起始处检测到所述特定事件当前帧（53），直接应用短窗口（54）以便在不应用转换窗口的情况下对当前帧（Ti）进行编码（56）。因此，与现有技术相比，编码具有减小的延迟。此外，在解码期间应用ad hoc处理，以补偿在编码期间从长窗口到短窗口的直接传递。

9. 发明授权

US08615390B2 Low-delay transform coding using weighting windows 有权
标题翻译：使用加权窗口的低延迟变换编码
公开(公告)号：US08615390B2
公开(公告)日：2013-12-24
申请号：US12448734
申请日：2007-12-18
申请人： Balazs Kovesi , David Virette , Pierrick Philippe
发明人： Balazs Kovesi , David Virette , Pierrick Philippe
IPC分类号： G06F15/00 , G10L19/00 , G10L25/00 , G10L21/00 , G10L25/90 , G10L21/02
CPC分类号： G10L19/022
摘要： The invention relates to transform coding/decoding of a digital audio signal represented by a succession of frames, using windows of different lengths. For the coding within the meaning of the invention, it is sought to detect (51) a particular event, such as an attack, in a current frame (Ti); and, at least if said particular event is detected at the start of the current frame (53), a short window (54) is directly applied in order to code (56) the current frame (Ti) without applying a transition window. Thus, the coding has a reduced delay in relation to the prior art. In addition, an ad hoc processing is applied during decoding in order to compensate for the direct passage from a long window to a short window during coding.
摘要翻译：本发明涉及使用不同长度的窗口的由一系列帧代表的数字音频信号的变换编码/解码。对于本发明意义上的编码，寻求在当前帧（Ti）中检测（51）特定事件，例如攻击; 并且至少如果在当前帧（53）的开始处检测到所述特定事件，则直接应用短窗口（54），以便在不应用转换窗口的情况下对当前帧（Ti）进行编码（56）。因此，与现有技术相比，编码具有减小的延迟。此外，在解码期间应用ad hoc处理，以补偿在编码期间从长窗口到短窗口的直接传递。

10. 发明申请

US20110178809A1 CRITICAL SAMPLING ENCODING WITH A PREDICTIVE ENCODER 有权
标题翻译：用预测编码器进行关键采样编码
公开(公告)号：US20110178809A1
公开(公告)日：2011-07-21
申请号：US13120473
申请日：2009-10-05
申请人： Pierrick Philippe , David Virette
发明人： Pierrick Philippe , David Virette
IPC分类号： G10L19/00
CPC分类号： G10L19/022 , G10L19/0212 , G10L19/04 , G10L19/107 , G10L19/20
摘要： A method for encoding and decoding a digital audio signal is provided, said method comprising the steps of: encoding a first sequence of samples of the digital signal according to a transform encoding; encoding a second sequence of samples of the digital signal according to a predictive encoding; wherein the second sequence starts before the end of the first sequence, a subsequence common to the first and second sequences being thus encoded both by predictive encoding and by transform encoding.
摘要翻译：提供了一种对数字音频信号进行编码和解码的方法，所述方法包括以下步骤：根据变换编码对数字信号的第一采样序列进行编码; 根据预测编码对数字信号的第二采样序列进行编码; 其中所述第二序列在所述第一序列结束之前开始，因此通过预测编码和通过变换编码对所述第一和第二序列共同的子序列进行编码。

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