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1. 发明授权

US08294602B2 Coding method, decoding method, coder and decoder 有权
标题翻译：编码方法，解码方法，编码器和解码器
公开(公告)号：US08294602B2
公开(公告)日：2012-10-23
申请号：US12607723
申请日：2009-10-28
申请人： Fuwei Ma , Dejun Zhang
发明人： Fuwei Ma , Dejun Zhang
IPC分类号： H03M7/00
CPC分类号： H03M7/3082 , G10L19/08 , G10L19/10
摘要： A coding method, a decoding method, a coder, and a decoder are disclosed herein. A coding method includes: obtaining the pulse distribution, on a track, of the pulses to be encoded on the track; determining a distribution identifier for identifying the pulse distribution according to the pulse distribution; and generating a coding index that includes the distribution identifier. A decoding method includes: receiving a coding index; obtaining a distribution identifier from the coding index, wherein the distribution identifier is configured to identify the pulse distribution, on a track, of the pulses to be encoded on the track; determining the pulse distribution, on a track, of all the pulses to be encoded on the track according to the distribution identifier; and reconstructing the pulse order on the track according to the pulse distribution.
摘要翻译：本文公开了一种编码方法，解码方法，编码器和解码器。一种编码方法包括：在轨道上获取要编码的脉冲的脉冲分布; 根据脉冲分布确定用于识别脉冲分布的分布标识符; 以及生成包括所述分发标识符的编码索引。解码方法包括：接收编码索引; 从所述编码索引获得分布标识符，其中所述分发标识符被配置为在轨道上识别要在所述轨道上编码的脉冲的脉冲分布; 根据分布标识符确定在轨道上要编码的所有脉冲的轨道上的脉冲分布; 并根据脉冲分布重建轨道上的脉冲顺序。

2. 发明申请

US20090097595A1 VECTOR DECODING METHOD AND APPARATUS AND COMPUTER PROGRAM 有权
标题翻译：矢量解码方法与装置与计算机程序
公开(公告)号：US20090097595A1
公开(公告)日：2009-04-16
申请号：US12343424
申请日：2008-12-23
申请人： Fuwei Ma
发明人： Fuwei Ma
IPC分类号： H04L27/06
CPC分类号： G10L19/00 , G10L19/038
摘要： A vector decoding method includes decomposing a code of an initial vector to obtain a sign code and an absolute vector code, decoding the sign code to obtain a sign vector, performing multi-level permutation-based decoding on the absolute vector code to obtain an initial absolute vector, and combining the sign vector and the initial absolute vector to obtain an initial vector, wherein each respective vector ha a plurality of elements. A vector decoding apparatus includes a decomposing unit configured to decompose a vector code to obtain a sign code and an absolute vector, a sign decoding unit configured to decode the sign code to obtain a sign vector, a multi-level permutation-based decoding unit configured to perform multi-level permutation-based decoding on the absolute vector to obtain an initial absolute vector, and a combining unit configured to combine the sign vector and the initial absolute vector to obtain an initial vector.
摘要翻译：向量解码方法包括分解初始向量的码以获得符号码和绝对向量码，对符号码进行解码以获得符号向量，对绝对向量码进行基于多级置换的解码，以获得初始绝对向量，并且组合符号向量和初始绝对向量以获得初始向量，其中每个相应向量具有多个元素。矢量解码装置包括：分解单元，被配置为分解矢量码以获得符号码和绝对矢量;符号解码单元，被配置为对符号码进行解码以获得符号矢量;多级置换解码单元对绝对矢量执行基于多层置换的解码以获得初始绝对向量，以及组合单元，被配置为组合符号向量和初始绝对向量以获得初始向量。

3. 发明申请

US20090097565A1 VECTOR CODING/DECODING APPARATUS AND STREAM MEDIA PLAYER 有权
标题翻译：矢量编码/解码设备和流媒体播放器
公开(公告)号：US20090097565A1
公开(公告)日：2009-04-16
申请号：US12343450
申请日：2008-12-23
申请人： Fuwei Ma
发明人： Fuwei Ma
IPC分类号： H04L27/06 , H04L27/00 , H04N7/28
CPC分类号： G10L19/00 , G10L19/038
摘要： A vector coding apparatus includes a decomposing unit to obtain a sign vector and an initial absolute vector, a sign coding unit to code the sign to obtain a sign code, a multi-level permutation-based coding unit to perform multi-level permutation-based coding to obtain an absolute vector code, a combining unit to combine the sign and absolute vector codes to obtain an initial vector code. A vector decoding apparatus includes a decomposing unit to decompose a code of an initial vector to obtain a sign code and an absolute vector code, a sign decoding unit to decode the sign code to obtain a sign vector, a multi-level permutation-based decoding unit to perform multi-level permutation-based decoding on the absolute vector code to obtain an initial absolute vector, and a combining unit to combine the sign and initial absolute vectors to obtain an initial vector. A media player includes the vector decoding apparatus.
摘要翻译：矢量编码装置包括：分解单元，用于获得符号矢量和初始绝对矢量;符号编码单元，用于对所述符号进行编码以获得符号码;多级置换编码单元，用于执行多级置换编码以获得绝对向量代码，组合单元组合符号和绝对向量代码以获得初始向量代码。向量解码装置包括分解单元，用于分解初始向量的代码以获得符号码和绝对向量码;符号解码单元，对符号码进行解码以获得符号向量;多级置换解码单元，对绝对矢量代码执行多级置换解码，得到初始绝对向量;以及组合单元，组合符号和初始绝对向量以获得初始向量。媒体播放器包括矢量解码装置。

4. 发明申请

US20110218800A1 METHOD AND APPARATUS FOR OBTAINING PITCH GAIN, AND CODER AND DECODER 审中-公开
标题翻译：用于获取增益的方法和装置，以及编码器和解码器
公开(公告)号：US20110218800A1
公开(公告)日：2011-09-08
申请号：US13109679
申请日：2011-05-17
申请人： Dejun Zhang , Lei Miao , Jianfeng Xu , Fengyan Qi , Qing Zhang , Lixiong Li , Fuwei Ma
发明人： Dejun Zhang , Lei Miao , Jianfeng Xu , Fengyan Qi , Qing Zhang , Lixiong Li , Fuwei Ma
IPC分类号： G10L21/00
CPC分类号： G10L19/08 , G10L2019/0011
摘要： The present invention relates to a method and apparatus for obtaining a pitch gain, and a coder and a decoder. The method includes: obtaining information about an input signal; and obtaining a pitch gain corresponding to the information about the input signal according to the correspondence between the signal information and the pitch gain. The embodiments of the present invention obtain the corresponding pitch gain according to the signal information by using the obtained correspondence between the signal information and the pitch gain, and the pitch gain is applicable to the coder and the decoder, thus making it unnecessary for the coder to transmit the pitch gain to the decoder and solving the problem of bit overhead. The embodiments of the present invention determine the pitch gain adaptively according to the signal information, avoid consumption of extra bits for quantizing the pitch gain, avoid impact on the coding performance, and improve the compression ratio.
摘要翻译：本发明涉及一种用于获得音调增益的方法和装置，以及编码器和解码器。该方法包括：获取关于输入信号的信息; 并且根据信号信息和音调增益之间的对应关系，获得与输入信号有关的信息对应的音调增益。本发明的实施例通过使用获得的信号信息和音调增益之间的对应关系，根据信号信息获得相应的音调增益，并且音调增益可应用于编码器和解码器，从而不需要编码器将音调增益发送到解码器并解决位开销的问题。本发明的实施例根据信号信息自适应地确定音调增益，避免消耗用于量化音调增益的额外比特，避免对编码性能的影响，并提高压缩比。

5. 发明授权

US07738559B2 Vector decoding method and apparatus and computer program 有权
标题翻译：矢量解码方法及装置及计算机程序
公开(公告)号：US07738559B2
公开(公告)日：2010-06-15
申请号：US12343424
申请日：2008-12-23
申请人： Fuwei Ma
发明人： Fuwei Ma
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04B1/66
CPC分类号： G10L19/00 , G10L19/038
摘要： A vector decoding method includes decomposing a code of an initial vector to obtain a sign code and an absolute vector code, decoding the sign code to obtain a sign vector, performing multi-level permutation-based decoding on the absolute vector code to obtain an initial absolute vector, and combining the sign vector and the initial absolute vector to obtain an initial vector, wherein each respective vector ha a plurality of elements. A vector decoding apparatus includes a decomposing unit configured to decompose a vector code to obtain a sign code and an absolute vector, a sign decoding unit configured to decode the sign code to obtain a sign vector, a multi-level permutation-based decoding unit configured to perform multi-level permutation-based decoding on the absolute vector to obtain an initial absolute vector, and a combining unit configured to combine the sign vector and the initial absolute vector to obtain an initial vector.
摘要翻译：向量解码方法包括分解初始向量的码以获得符号码和绝对向量码，对符号码进行解码以获得符号向量，对绝对向量码进行基于多级置换的解码，以获得初始绝对向量，并且组合符号向量和初始绝对向量以获得初始向量，其中每个相应向量具有多个元素。矢量解码装置包括：分解单元，被配置为分解矢量码以获得符号码和绝对矢量;符号解码单元，被配置为对符号码进行解码以获得符号矢量;多级置换解码单元对绝对矢量执行基于多层置换的解码以获得初始绝对向量，以及组合单元，被配置为组合符号向量和初始绝对向量以获得初始向量。

6. 发明授权

US08843366B2 Framing method and apparatus 有权
标题翻译：框架方法和装置
公开(公告)号：US08843366B2
公开(公告)日：2014-09-23
申请号：US12982142
申请日：2010-12-30
申请人： Dejun Zhang , Fengyan Qi , Lei Miao , Jianfeng Xu , Qing Zhang , Lixiong Li , Fuwei Ma
发明人： Dejun Zhang , Fengyan Qi , Lei Miao , Jianfeng Xu , Qing Zhang , Lixiong Li , Fuwei Ma
IPC分类号： G10L19/00 , G10L19/04 , G10L19/005
CPC分类号： G10L19/04 , G10L19/005 , G10L19/09
摘要： A framing method and apparatus are disclosed to overcome inconsistency of gains between sub-frames caused by simple average framing in the prior art. The method includes: obtaining the Linear Prediction Coding (LPC) order and the pitch of the signal; removing the samples inapplicable to Long-Term Prediction (LTP) synthesis according to the LPC prediction order and the pitch; and splitting the remaining samples of the signal into several sub-frames. The technical solution under the present invention is applicable to the multimedia speech coding field.
摘要翻译：公开了一种框架方法和装置，以克服由现有技术中的简单平均框架引起的子帧之间的增益不一致。该方法包括：获得线性预测编码（LPC）顺序和信号的音调; 根据LPC预测顺序和间距，去除不适用于长期预测（LTP）合成的样本; 并将该信号的剩余采样分成几个子帧。本发明的技术方案适用于多媒体语音编码领域。

7. 发明授权

US08723700B2 Method and device for pulse encoding, method and device for pulse decoding 有权
标题翻译：用于脉冲编码的方法和装置，用于脉冲解码的方法和装置
公开(公告)号：US08723700B2
公开(公告)日：2014-05-13
申请号：US13325993
申请日：2011-12-14
申请人： Fuwei Ma , Dejun Zhang , Minjie Xie , Qing Zhang
发明人： Fuwei Ma , Dejun Zhang , Minjie Xie , Qing Zhang
IPC分类号： H03M7/34
CPC分类号： G10L19/113 , G10L19/002 , G10L19/04 , G10L19/10 , G10L19/12 , G10L2019/0016 , H03M7/30 , H03M7/40 , H03M7/4068
摘要： The present invention discloses a method and a device for pulse encoding, and a method and a device for pulse decoding. The method for pulse encoding includes: calculating an index value of an input pulse; selecting an adjustment threshold value according to the number of pulses, and comparing the index value of the pulse with the adjustment threshold value; if the index value is smaller than the adjustment threshold value, adopting the first number of encoding bits to encode the index value, if the index value is not smaller than the adjustment threshold value, adopting the second number of encoding bits to encode the index value plus an offset value, where the first number is smaller than the second number, the first number and the second number are both positive integers, and the offset value is greater than or equal to the adjustment threshold value.
摘要翻译：本发明公开了一种用于脉冲编码的方法和装置，以及用于脉冲解码的方法和装置。脉冲编码方法包括：计算输入脉冲的指标值; 根据所述脉冲数选择调整阈值，并将所述脉冲的指标值与所述调整阈值进行比较; 如果索引值小于调整阈值，则采用第一数量的编码比特来对索引值进行编码，如果索引值不小于调整阈值，则采用第二数量的编码比特来对索引值进行编码加上偏移值，其中第一个数字小于第二个数字，第一个数字和第二个数字都是正整数，偏移量大于或等于调整阈值。

8. 发明授权

US08600739B2 Coding method, encoder, and computer readable medium that uses one of multiple codebooks based on a type of input signal 有权
标题翻译：编码方法，编码器和计算机可读介质，其基于输入信号的类型使用多个码本之一
公开(公告)号：US08600739B2
公开(公告)日：2013-12-03
申请号：US12481060
申请日：2009-06-09
申请人： Dejun Zhang , Liang Zhang , Yue Lang , Tinghong Wang , Lixiong Li , Wenhai Wu , Wei Xiao , Fuwei Ma , Zexin Liu
发明人： Dejun Zhang , Liang Zhang , Yue Lang , Tinghong Wang , Lixiong Li , Wenhai Wu , Wei Xiao , Fuwei Ma , Zexin Liu
IPC分类号： G10L19/24
CPC分类号： G10L19/24 , G10L2019/0013
摘要： A coding method is adapted to select different codebook search algorithms according to varied types of input signals. An encoder using the coding method is also provided. As appropriate search algorithms may be selected according to all possible structural features of the input signals, certain types of signals for which satisfactory results may be obtained through simple computations may match with search algorithms suitable for these signal types and having low computation complexities, so as to achieve better performance with fewer system resources. Meanwhile, other types of signals that need complicated computations may be processed by more sophisticated search algorithms, thereby ensuring the coding quality.
摘要翻译：一种编码方法适用于根据不同类型的输入信号选择不同的码本搜索算法。还提供了使用编码方法的编码器。可以根据输入信号的所有可能的结构特征来选择合适的搜索算法，通过简单的计算可获得令人满意的结果的某些类型的信号可以与适合于这些信号类型的搜索算法匹配并具有低的计算复杂度，因此以更少的系统资源实现更好的性能。同时，需要复杂计算的其他类型的信号可以通过更复杂的搜索算法来处理，从而确保编码质量。

9. 发明授权

US08515744B2 Method for encoding signal, and method for decoding signal 有权
标题翻译：信号编码方法，信号解码方法
公开(公告)号：US08515744B2
公开(公告)日：2013-08-20
申请号：US13172575
申请日：2011-06-29
申请人： Dejun Zhang , Lei Miao , Jianfeng Xu , Fengyan Qi , Qing Zhang , Lixiong Li , Fuwei Ma , Yang Gao
发明人： Dejun Zhang , Lei Miao , Jianfeng Xu , Fengyan Qi , Qing Zhang , Lixiong Li , Fuwei Ma , Yang Gao
IPC分类号： G10L19/00
CPC分类号： G10L19/09 , G10L19/0017 , H04N19/50
摘要： Method, apparatus, and system for encoding and decoding signals are disclosed. The encoding method includes: converting a first-domain signal into a second-domain signal; performing Linear Prediction (LP) processing and Long-Term Prediction (LTP) processing for the second-domain signal; obtaining a long-term flag according to a decision criterion; obtaining a second-domain predictive signal according to the LP processing result and the LTP processing result when the long-term flag is a first flag; or obtaining a second-domain predictive signal according to the LP processing result when the long-term flag is a second flag; converting the second-domain predictive signal into a first-domain predictive signal, calculating a first-domain predictive residual signal; and outputting a bit stream that includes the first-domain predictive residual signal. Subsequent encoding or decoding process is performed adaptively according to the long-term flag; and it is not always necessary to consider the LTP processing result, thus improving the compression performance of codec.
摘要翻译：公开了用于编码和解码信号的方法，装置和系统。编码方法包括：将第一域信号转换为第二域信号; 对第二域信号执行线性预测（LP）处理和长期预测（LTP）处理; 根据决策标准获得长期国旗; 当长期标志是第一标志时，根据LP处理结果和LTP处理结果获得第二域预测信号; 或者当长期标志是第二标志时根据LP处理结果获得第二域预测信号; 将所述第二域预测信号转换为第一域预测信号，计算第一域预测残差信号; 并输出包括第一域预测残差信号的比特流。随后的编码或解码过程根据长期标志自适应地执行; 并不总是需要考虑LTP处理结果，从而提高了编解码器的压缩性能。

10. 发明申请

US20110099005A1 FRAMING METHOD AND APPARATUS 有权
标题翻译：框架方法和装置
公开(公告)号：US20110099005A1
公开(公告)日：2011-04-28
申请号：US12982142
申请日：2010-12-30
申请人： Dejun ZHANG , Fengyan Qi , Lei Miao , Jianfeng Xu , Qing Zhang , Lixiong Li , Fuwei Ma
发明人： Dejun ZHANG , Fengyan Qi , Lei Miao , Jianfeng Xu , Qing Zhang , Lixiong Li , Fuwei Ma
IPC分类号： G10L11/04
CPC分类号： G10L19/04 , G10L19/005 , G10L19/09
摘要： A framing method and apparatus are disclosed to overcome inconsistency of gains between sub-frames caused by simple average framing in the prior art. The method includes: obtaining the Linear Prediction Coding (LPC) order and the pitch of the signal; removing the samples inapplicable to Long-Term Prediction (LTP) synthesis according to the LPC prediction order and the pitch; and splitting the remaining samples of the signal into several sub-frames. The technical solution under the present invention is applicable to the multimedia speech coding field.
摘要翻译：公开了一种框架方法和装置，以克服由现有技术中的简单平均框架引起的子帧之间的增益不一致。该方法包括：获得线性预测编码（LPC）顺序和信号的音调; 根据LPC预测顺序和间距，去除不适用于长期预测（LTP）合成的样本; 并将该信号的剩余采样分成几个子帧。本发明的技术方案适用于多媒体语音编码领域。

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