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11. 发明授权

US08914280B2 Method and apparatus for encoding/decoding speech signal 有权
标题翻译：用于对语音信号进行编码/解码的方法和装置
公开(公告)号：US08914280B2
公开(公告)日：2014-12-16
申请号：US12458961
申请日：2009-07-28
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/00
CPC分类号： G10L19/22 , G10L19/06 , G10L19/09 , G10L19/12
摘要： An apparatus and method for encoding/decoding a speech signal which determines a variable bit rate based on reserved bits obtained from a target bit rate, is provided. The variable bit rate is determined based on a source feature of the speech signal and the reserved bits is obtained based on the target bit rate. The apparatus for encoding the speech signal may include a linear predictive (LP) analysis unit/quantization unit to determine an immittance spectral frequencies (ISF) index, a closed loop pitch search unit, a fixed codebook search unit, a gain vector quantization (VQ) unit to determine a gain vector quantization (VQ) index, and a bit rate control unit to control at least two indexes of the ISF index, the pitch index, the code index, and the gain VQ index to be encoded to be variable bit rates based on a source feature of a speech signal and the reserved bits.
摘要翻译：提供了一种用于对基于从目标比特率获得的保留比特来确定可变比特率的语音信号进行编码/解码的装置和方法。基于语音信号的源特征确定可变比特率，并且基于目标比特率获得保留比特。用于编码语音信号的装置可以包括线性预测（LP）分析单元/量化单元，用于确定导频谱频率（ISF）索引，闭环音调搜索单元，固定码本搜索单元，增益矢量量化（VQ ）单元以确定增益矢量量化（VQ）索引，以及比特率控制单元，用于控制要被编码为可变位的ISF索引，音高指数，代码索引和增益VQ索引的至少两个索引基于语音信号的源特征和保留位的速率。

12. 发明申请

US20120095756A1 Apparatus and method for determining weighting function having low complexity for linear predictive coding (LPC) coefficients quantization 有权
标题翻译：用于确定对于线性预测编码（LPC）系数量化具有低复杂度的加权函数的装置和方法
公开(公告)号：US20120095756A1
公开(公告)日：2012-04-19
申请号：US13067366
申请日：2011-05-26
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/00
CPC分类号： G10L19/06 , G10L19/07
摘要： Proposed is a method and apparatus for determining a weighting function for quantizing a linear predictive coding (LPC) coefficient and having a low complexity. The weighting function determination apparatus may convert an LPC coefficient of a mid-subframe of an input signal to one of a immitance spectral frequency (ISF) coefficient and a line spectral frequency (LSF) coefficient, and may determine a weighting function associated with an importance of the ISF coefficient or the LSF coefficient based on the converted ISF coefficient or LSF coefficient.
摘要翻译：提出了一种用于确定用于量化线性预测编码（LPC）系数并具有低复杂度的加权函数的方法和装置。加权函数确定装置可以将输入信号的子帧的LPC系数转换成子频谱频率（ISF）系数和线谱频率（LSF）系数之一，并且可以确定与重要性相关联的加权函数基于转换的ISF系数或LSF系数的ISF系数或LSF系数。

13. 发明申请

US20100114566A1 Method and apparatus for encoding/decoding speech signal 有权
标题翻译：用于对语音信号进行编码/解码的方法和装置
公开(公告)号：US20100114566A1
公开(公告)日：2010-05-06
申请号：US12458961
申请日：2009-07-28
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/04 , G10L19/14
CPC分类号： G10L19/22 , G10L19/06 , G10L19/09 , G10L19/12
摘要： An apparatus and method for encoding/decoding a speech signal which determines a variable bit rate based on reserved bits obtained from a target bit rate, is provided. The variable bit rate is determined based on a source feature of the speech signal and the reserved bits is obtained based on the target bit rate. The apparatus for encoding the speech signal may include a linear predictive (LP) analysis unit/quantization unit to determine an immittance spectral frequencies (ISF) index, a closed loop pitch search unit, a fixed codebook search unit, a gain vector quantization (VQ) unit to determine a gain vector quantization (VQ) index, and a bit rate control unit to control at least two indexes of the ISF index, the pitch index, the code index, and the gain VQ index to be encoded to be variable bit rates based on a source feature of a speech signal and the reserved bits.
摘要翻译：提供了一种用于对基于从目标比特率获得的保留比特来确定可变比特率的语音信号进行编码/解码的装置和方法。基于语音信号的源特征确定可变比特率，并且基于目标比特率获得保留比特。用于编码语音信号的装置可以包括线性预测（LP）分析单元/量化单元，用于确定导频谱频率（ISF）索引，闭环音调搜索单元，固定码本搜索单元，增益矢量量化（VQ ）单元以确定增益矢量量化（VQ）索引，以及比特率控制单元，用于控制要被编码为可变位的ISF索引，音高指数，代码索引和增益VQ索引的至少两个索引基于语音信号的源特征和保留位的速率。

14. 发明申请

US20070233473A1 MULTI-PATH TRELLIS CODED QUANTIZATION METHOD AND MULTI-PATH CODED QUANTIZER USING THE SAME 失效
标题翻译：多路径TRELLIS编码量化方法和多路径编码量化器
公开(公告)号：US20070233473A1
公开(公告)日：2007-10-04
申请号：US11608956
申请日：2006-12-11
申请人： Kang Eun LEE , Eun Mi Oh , Ho Sang Sung , Chang Yong Son
发明人： Kang Eun LEE , Eun Mi Oh , Ho Sang Sung , Chang Yong Son
IPC分类号： G10L19/00
CPC分类号： G10L19/032
摘要： A method of multi-path trellis coded quantization (TCQ) usable in a speech coding system, and a quantizer using the method. Specifically the method includes calculating accumulated distortions corresponding to 2N survivor paths, wherein N indicates an integer greater than two, each of the 2N survivor paths is going towards one of nodes at an i th stage of a trellis, and i indicates an integer greater than zero, comparing the accumulated distortions respectively corresponding to the 2N survivor paths to select N paths among the 2N survivor paths, wherein the accumulated distortions corresponding to selected N paths are smaller than the accumulated distortions corresponding to unselected N paths establishing the selected N paths as survivor paths going toward an i+1 th stage, and selecting an optimal path among the 2N survivor paths corresponding to each node of a last stage.
摘要翻译：一种可用于语音编码系统的多径网格编码量化（TCQ）的方法，以及使用该方法的量化器。具体地，该方法包括计算对应于2N个幸存路径的累积失真，其中N表示大于2的整数，2N个幸存路径中的每一个正在网格的第i阶段中的一个节点，i表示大于比较分别对应于2N个幸存路径的累积失真以选择2N个幸存路径中的N个路径，其中对应于所选N个路径的累积失真小于对应于建立所选择的N个路径的未选择的N个路径的累积失真作为幸存者路径朝向第i + 1级，并且在对应于最后一级的每个节点的2N个幸存路径中选择最佳路径。

15. 发明授权

US09311926B2 Apparatus and method for determining weighting function having for associating linear predictive coding (LPC) coefficients with line spectral frequency coefficients and immittance spectral frequency coefficients 有权
标题翻译：用于确定用于将线性预测编码（LPC）系数与线谱频率系数和导纳谱频率系数相关联的加权函数的装置和方法
公开(公告)号：US09311926B2
公开(公告)日：2016-04-12
申请号：US13067366
申请日：2011-05-26
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/07 , G10L19/04 , G10L25/12
CPC分类号： G10L19/06 , G10L19/07
摘要： Proposed is a method and apparatus for determining a weighting function for quantizing a linear predictive coding (LPC) coefficient and having a low complexity. The weighting function determination apparatus may convert an LPC coefficient of a mid-subframe of an input signal to one of a immitance spectral frequency (ISF) coefficient and a line spectral frequency (LSF) coefficient, and may determine a weighting function associated with an importance of the ISF coefficient or the LSF coefficient based on the converted ISF coefficient or LSF coefficient.
摘要翻译：提出了一种用于确定用于量化线性预测编码（LPC）系数并具有低复杂度的加权函数的方法和装置。加权函数确定装置可以将输入信号的子帧的LPC系数转换成子频谱频率（ISF）系数和线谱频率（LSF）系数之一，并且可以确定与重要性相关联的加权函数基于转换的ISF系数或LSF系数的ISF系数或LSF系数。

16. 发明申请

US20120065965A1 Apparatus and method for encoding and decoding signal for high frequency bandwidth extension 有权
标题翻译：用于对高频带宽扩展的信号进行编码和解码的装置和方法
公开(公告)号：US20120065965A1
公开(公告)日：2012-03-15
申请号：US13137779
申请日：2011-09-12
申请人： Ki Hyun Choo , Eun Mi Oh , Ho Sang Sung
发明人： Ki Hyun Choo , Eun Mi Oh , Ho Sang Sung
IPC分类号： G10L19/02 , G10L19/14
CPC分类号： G10L19/12 , G10L19/00 , G10L19/038 , G10L19/24 , G10L21/038
摘要： An apparatus and method for encoding and decoding a signal for high frequency bandwidth extension are provided. An encoding apparatus may down-sample a time domain input signal, may core-encode the down-sampled time domain input signal, may transform the core-encoded time domain input signal to a frequency domain input signal, and may perform bandwidth extension encoding using a basic signal of the frequency domain input signal.
摘要翻译：提供了一种用于编码和解码用于高频带宽扩展的信号的装置和方法。编码装置可以对时域输入信号进行采样，可以对下采样的时域输入信号进行核编码，可以将核心编码的时域输入信号变换为频域输入信号，并且可以使用频域输入信号的基本信号。

17. 发明授权

US09236059B2 Apparatus and method determining weighting function for linear prediction coding coefficients quantization 有权
标题翻译：用于线性预测编码系数量化的装置和方法确定加权函数
公开(公告)号：US09236059B2
公开(公告)日：2016-01-12
申请号：US13067370
申请日：2011-05-26
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/07
CPC分类号： G10L19/06 , G10L19/032 , G10L19/07
摘要： An apparatus determining a weighting function for line prediction coding coefficients quantization converts a linear prediction coding (LPC) coefficient of an input signal into one of a line spectral frequency (LSF) coefficient and an immitance spectral frequency (ISF) coefficient and determines a weighting function associated with one of an importance of the ISF coefficient and importance of the LSF coefficient using one of the converted ISF coefficient and the converted LSF coefficient.
摘要翻译：确定行预测编码系数量化的加权函数的装置将输入信号的线性预测编码（LPC）系数转换为线谱频率（LSF）系数和子频谱频率（ISF）系数之一，并确定加权函数与ISF系数的重要性和LSF系数的重要性之一相关联，使用转换的ISF系数和转换的LSF系数之一。

18. 发明授权

US09183847B2 Apparatus and method for encoding and decoding signal for high frequency bandwidth extension 有权
标题翻译：用于对高频带宽扩展的信号进行编码和解码的装置和方法
公开(公告)号：US09183847B2
公开(公告)日：2015-11-10
申请号：US13137779
申请日：2011-09-12
申请人： Ki Hyun Choo , Eun Mi Oh , Ho Sang Sung
发明人： Ki Hyun Choo , Eun Mi Oh , Ho Sang Sung
IPC分类号： G10L21/00 , G10L21/038 , G10L19/00
CPC分类号： G10L19/12 , G10L19/00 , G10L19/038 , G10L19/24 , G10L21/038
摘要： An apparatus and method for encoding and decoding a signal for high frequency bandwidth extension are provided. An encoding apparatus may down-sample a time domain input signal, may core-encode the down-sampled time domain input signal, may transform the core-encoded time domain input signal to a frequency domain input signal, and may perform bandwidth extension encoding using a basic signal of the frequency domain input signal.
摘要翻译：提供了一种用于编码和解码用于高频带宽扩展的信号的装置和方法。编码装置可以对时域输入信号进行采样，可以对下采样的时域输入信号进行核编码，可以将核心编码的时域输入信号变换为频域输入信号，并且可以使用频域输入信号的基本信号。

19. 发明申请

US20110295600A1 Apparatus and method determining weighting function for linear prediction coding coefficients quantization 有权
标题翻译：用于线性预测编码系数量化的装置和方法确定加权函数
公开(公告)号：US20110295600A1
公开(公告)日：2011-12-01
申请号：US13067370
申请日：2011-05-26
申请人： Ho Sang Sung , Eun Mi Oh
发明人： Ho Sang Sung , Eun Mi Oh
IPC分类号： G10L19/00
CPC分类号： G10L19/06 , G10L19/032 , G10L19/07
摘要： An apparatus determining a weighting function for line prediction coding coefficients quantization converts a linear prediction coding (LPC) coefficient of an input signal into one of a line spectral frequency (LSF) coefficient and an immitance spectral frequency (ISF) coefficient and determines a weighting function associated with one of an importance of the ISF coefficient and importance of the LSF coefficient using one of the converted ISF coefficient and the converted LSF coefficient.
摘要翻译：确定行预测编码系数量化的加权函数的装置将输入信号的线性预测编码（LPC）系数转换为线谱频率（LSF）系数和子频谱频率（ISF）系数之一，并确定加权函数与ISF系数的重要性和LSF系数的重要性之一相关联，使用转换的ISF系数和转换的LSF系数之一。

20. 发明授权

US08706481B2 Multi-path trellis coded quantization method and multi-path coded quantizer using the same 失效
标题翻译：多路径网格编码量化方法和使用其的多路径编码量化器
公开(公告)号：US08706481B2
公开(公告)日：2014-04-22
申请号：US11608956
申请日：2006-12-11
申请人： Kang Eun Lee , Eun Mi Oh , Ho Sang Sung , Chang Yong Son
发明人： Kang Eun Lee , Eun Mi Oh , Ho Sang Sung , Chang Yong Son
IPC分类号： G10L19/12
CPC分类号： G10L19/032
摘要： A method of multi-path trellis coded quantization (TCQ) usable in a speech coding system, and a quantizer using the method. Specifically the method includes calculating accumulated distortions corresponding to 2N survivor paths, wherein N indicates an integer greater than two, each of the 2N survivor paths is going towards one of nodes at an i th stage of a trellis, and i indicates an integer greater than zero, comparing the accumulated distortions respectively corresponding to the 2N survivor paths to select N paths among the 2N survivor paths, wherein the accumulated distortions corresponding to selected N paths are smaller than the accumulated distortions corresponding to unselected N paths establishing the selected N paths as survivor paths going toward an i+1 th stage, and selecting an optimal path among the 2N survivor paths corresponding to each node of a last stage.
摘要翻译：一种可用于语音编码系统的多径网格编码量化（TCQ）的方法，以及使用该方法的量化器。具体地，该方法包括计算对应于2N个幸存路径的累积失真，其中N表示大于2的整数，2N个幸存路径中的每一个正在网格的第i阶段中的一个节点，i表示大于比较分别对应于2N个幸存路径的累积失真以选择2N个幸存路径中的N个路径，其中对应于所选N个路径的累积失真小于对应于建立所选择的N个路径的未选择的N个路径的累积失真作为幸存者路径朝向第i + 1级，并且在对应于最后一级的每个节点的2N个幸存路径中选择最佳路径。

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