-
1.发明申请AUDIO ENCODING AND DECODING METHOD AND ASSOCIATED AUDIO ENCODER, AUDIO DECODER AND COMPUTER PROGRAMS 有权音频编码和解码方法和相关音频编码器，音频解码器和计算机程序公开(公告)号：US20100198601A1
公开(公告)日：2010-08-05
申请号：US12599519
申请日：2008-04-16
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , H04S3/008
摘要： The invention relates to a method for ordering spectral parameters of ambisonic components to be encoded (A1, . . . , AQ) originating from an audio scene comprising N signals (Sii=1 to N), in which N>1, comprising the following steps: calculation of the respective influence of at least some spectral parameters, taken from a set of spectral parameters to be ordered, on an angle vector defined as a function of energy and velocity vectors associated with Gerzon's criteria and calculated as a function of a reverse ambisonic transformation in relation to said quantified ambisonic components; and allocation of a precedence order to at least one spectral parameter as a function of the influence calculated for said spectral parameter compared to the other calculated influences.
摘要翻译： 本发明涉及一种用于排序源自包括N个信号（Sii = 1至N）的音频场景的待编码的声音分量（A1，...，AQ）的频谱参数的方法，其中N≥1，包括以下 步骤：根据定义为与Gerzon标准相关联的能量和速度向量的函数的角度矢量计算取自要排序的一组光谱参数的至少一些光谱参数的相应影响，并作为反向的函数计算 与所述量化的Ambisonic分量相关的ambisonic变换; 以及根据针对所述光谱参数计算的影响与其他计算的影响相比，将优先顺序分配给至少一个光谱参数。
-
2.发明授权Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs 有权音频编码和解码方法及相关音频编码器，音频解码器和计算机程序公开(公告)号：US08462970B2
公开(公告)日：2013-06-11
申请号：US12599519
申请日：2008-04-16
CPC分类号： G10L19/008 , H04S3/008
摘要： The invention relates to a method for ordering spectral parameters of ambisonic components to be encoded (A1, . . . , AQ) originating from an audio scene comprising N signals (Sii=1 to N), in which N>1, comprising the following steps: calculation of the respective influence of at least some spectral parameters, taken from a set of spectral parameters to be ordered, on an angle vector defined as a function of energy and velocity vectors associated with Gerzon's criteria and calculated as a function of a reverse ambisonic transformation in relation to said quantified ambisonic components; and allocation of a precedence order to at least one spectral parameter as a function of the influence calculated for said spectral parameter compared to the other calculated influences.
摘要翻译： 本发明涉及一种用于排序源自包括N个信号（Sii = 1至N）的音频场景的待编码的声音分量（A1，...，AQ）的频谱参数的方法，其中N≥1，包括以下 步骤：根据定义为与Gerzon标准相关联的能量和速度向量的函数的角度矢量计算取自要排序的一组光谱参数的至少一些光谱参数的相应影响，并作为反向的函数计算 与所述量化的Ambisonic分量相关的ambisonic变换; 以及根据针对所述光谱参数计算的影响与其他计算的影响相比，将优先顺序分配给至少一个光谱参数。
-
3.发明授权Audio encoding and decoding method and associated audio encoder, audio decoder and computer programs 有权音频编码和解码方法及相关音频编码器，音频解码器和计算机程序公开(公告)号：US08488824B2
公开(公告)日：2013-07-16
申请号：US12597771
申请日：2008-04-16
CPC分类号： G10L19/24 , G10L19/008
摘要： The invention relates to a method for sequencing spectral components of elements to be encoded (A1, . . . , AQ) originating from an audio scene comprising N signals (Sii=1 to N), in which N>1, an element to be encoded comprising spectral components associated with respective spectral bands, characterised in that it comprises the following steps: calculation of the respective influence of at least some spectral components which can be calculated as a function of the spectral parameters originating from at least some of the N signals on the mask-to-noise ratios determined over the spectral bands as a function of the encoding of said spectral components; and allocation of an order of priority to at least one spectral component as a function of the influence calculated for said spectral component compared to the other influences calculated.
摘要翻译： 本发明涉及一种用于排序源自包含N个信号（Sii = 1至N）的音频场景的待编码元件（A1，...，AQ）的频谱分量的方法，其中N≥1，要被 其编码包括与相应频谱带相关联的频谱分量，其特征在于其包括以下步骤：可以根据源自N个信号中的至少一些的频谱参数来计算至少一些频谱分量的相应影响的计算 关于作为所述光谱分量的编码的函数的在频谱带上确定的掩模 - 噪声比; 以及根据所计算的其他影响，将针对所述光谱分量计算的影响的函数的至少一个光谱分量的优先级分配。
-
4.发明申请METHOD, MODULE AND COMPUTER SOFTWARE WITH QUANTIFICATION BASED ON GERZON VECTORS 审中-公开方法，基于GERZON矢量量化的模块和计算机软件公开(公告)号：US20100241439A1
公开(公告)日：2010-09-23
申请号：US12681104
申请日：2008-09-30
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： The invention relates to a method for encoding the components (Xi,k) of an audio scene including N signals (Si, . . . , SN) with N>1, that comprises the step of quantifying at least some of said components, wherein the quantification is defined based on at least an energy vector and/or one velocity vector associated with Gerzon criteria and based on said components.
摘要翻译： 本发明涉及一种用于编码包括具有N≥1的N个信号（Si，...，SN）的音频场景的分量（Xi，k）的方法，其包括量化至少一些所述分量的步骤，其中 基于与Gerzon标准相关联的至少能量向量和/或一个速度向量并基于所述组件来定义定量。
-
5.发明授权Quantization after linear transformation combining the audio signals of a sound scene, and related coder 有权线性变换后组合音场的音频信号与相关编码器之间的量化公开(公告)号：US08612220B2
公开(公告)日：2013-12-17
申请号：US12667401
申请日：2008-07-01
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/032 , H04S3/008 , H04S3/02 , H04S2420/01
摘要： The invention relates to a method for quantifying components, wherein certain components are each determined based on a plurality of audio signals and can be calculated by the application of a linear conversion on the audio signals, said method comprising: determining a quantification function to be applied to the components by testing a condition relative to an audio signal and depending on a comparison made between a psycho-acoustic masking threshold relative to the audio signal and a value determined based on the reverse linear conversion and quantification errors of the components by the function.
摘要翻译： 本发明涉及一种用于量化分量的方法，其中某些分量各自基于多个音频信号来确定，并且可以通过对音频信号应用线性转换来计算，所述方法包括：确定要应用的量化函数 通过测试相对于音频信号的条件并且取决于相对于音频信号的心理声学屏蔽阈值与通过该功能的组件的反向线性转换和量化误差所确定的值之间的比较来测量组件。
-
6.发明申请AUDIO ENCODING AND DECODING METHOD AND ASSOCIATED AUDIO ENCODER, AUDIO DECODER AND COMPUTER PROGRAMS 有权音频编码和解码方法和相关音频编码器，音频解码器和计算机程序公开(公告)号：US20100305952A1
公开(公告)日：2010-12-02
申请号：US12597771
申请日：2008-04-16
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L19/008
摘要： The invention relates to a method for sequencing spectral components of elements to be encoded (A1, . . . , AQ) originating from an audio scene comprising N signals (Sii=1 to N), in which N>1, an element to be encoded comprising spectral components associated with respective spectral bands, characterised in that it comprises the following steps: calculation of the respective influence of at least some spectral components which can be calculated as a function of the spectral parameters originating from at least some of the N signals on the mask-to-noise ratios determined over the spectral bands as a function of the encoding of said spectral components; and allocation of an order of priority to at least one spectral component as a function of the influence calculated for said spectral component compared to the other influences calculated.
摘要翻译： 本发明涉及一种用于排序源自包含N个信号（Sii = 1至N）的音频场景的待编码元件（A1，...，AQ）的频谱分量的方法，其中N≥1，要被 其编码包括与相应频谱带相关联的频谱分量，其特征在于其包括以下步骤：可以根据源自N个信号中的至少一些的频谱参数来计算至少一些频谱分量的相应影响的计算 关于作为所述光谱分量的编码的函数的在频谱带上确定的掩模 - 噪声比; 以及根据所计算的其他影响，将针对所述光谱分量计算的影响的函数的至少一个光谱分量的优先级分配。
-
7.发明申请QUANTIZATION AFTER LINEAR TRANSFORMATION COMBINING THE AUDIO SIGNALS OF A SOUND SCENE, AND RELATED CODER 有权线性变换组合声音场景的音频信号与相关编码器之间的量化公开(公告)号：US20100198585A1
公开(公告)日：2010-08-05
申请号：US12667401
申请日：2008-07-01
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L19/032 , H04S3/008 , H04S3/02 , H04S2420/01
摘要： The invention relates to a method for quantifying components, wherein certain components are each determined based on a plurality of audio signals and can be calculated by the application of a linear conversion on the audio signals, said method comprising: determining a quantification function to be applied to the components by testing a condition relative to an audio signal and depending on a comparison made between a psycho-acoustic masking threshold relative to the audio signal and a value determined based on the reverse linear conversion and quantification errors of the components by the function.
摘要翻译： 本发明涉及一种用于量化分量的方法，其中某些分量各自基于多个音频信号来确定，并且可以通过对音频信号应用线性转换来计算，所述方法包括：确定要应用的量化函数 通过测试相对于音频信号的条件并且取决于相对于音频信号的心理声学屏蔽阈值与通过该功能的组件的反向线性转换和量化误差所确定的值之间的比较来测量组件。
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.013 秒)