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1. 发明申请

WO2013026203A1 AUDIO OR VOICE SIGNAL PROCESSOR 审中-公开
标题翻译：音频或语音信号处理器
公开(公告)号：WO2013026203A1
公开(公告)日：2013-02-28
申请号：PCT/CN2011/078868
申请日：2011-08-24
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TALEB, Anisse , XU, Jianfeng , PANG, Liyun , MIAO, Lei
发明人： TALEB, Anisse , XU, Jianfeng , PANG, Liyun , MIAO, Lei
IPC分类号： H04J3/06
CPC分类号： G10L21/0224 , G10L19/005 , G10L21/04 , H04J3/0632 , H04L29/06462 , H04L29/06489 , H04L29/06517 , H04L29/06523 , H04N21/4392 , H04N21/4398 , H04N21/44209 , H04N21/6437
摘要： The invention relates to a voice or audio signal processor for processing received network packets received over a communication network to provide an output signal, the voice or audio signal processor comprising a jitter buffer (911) being configured to buffer the received network packets (105), a voice or audio decoder (913) being configured to decode the received network packets (105) as buffered by the jitter buffer (911) to obtain a decoded voice or audio signal, a controllable time scaler (917) being configured to amend a length of the decoded voice or audio signal to obtain a time scaled voice or audio signal as the output voice or audio signal, and an adaptation control means (903) being configured to control an operation of the time scaler (917) in dependency on a processing complexity measure.
摘要翻译：本发明涉及一种语音或音频信号处理器，用于处理通过通信网络接收的接收的网络分组以提供输出信号，所述语音或音频信号处理器包括被配置为缓冲所接收的网络分组（105）的抖动缓冲器（911），声音或音频解码器（913）被配置为对由抖动缓冲器（911）缓冲的接收到的网络分组（105）进行解码以获得解码的语音或音频信号，可控时间缩放器（917）被配置为修改解码的语音或音频信号的长度以获得作为输出语音或音频信号的时间缩放的语音或音频信号，以及自适应控制装置（903），其被配置为根据所述时间缩放器（917）的操作来控制处理复杂度测量。

2. 发明申请

WO2012083552A1 METHOD AND APPARATUS FOR VOICE ACTIVITY DETECTION 审中-公开
标题翻译：用于语音活动检测的方法和装置
公开(公告)号：WO2012083552A1
公开(公告)日：2012-06-28
申请号：PCT/CN2010/080217
申请日：2010-12-24
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TALEB, Anisse , WANG, Zhe , MIAO, Lei , XU, Jianfeng
发明人： TALEB, Anisse , WANG, Zhe , MIAO, Lei , XU, Jianfeng
IPC分类号： G10L11/02 , G10L21/02 , G10L19/00
CPC分类号： G10L25/78 , G10L2025/786
摘要： A method and apparatus for voice activity detection are provided. The apparatus for voice activity detection (1) comprises: a signal condition analyzing unit (3) which analyses at least one signal parameter of an input signal (2) to detect a signal condition (SC) of the input signal; at least two voice activity detection units (4-i) comprising different voice detection characteristics, wherein each voice activity detection unit (4-i) performs separately the voice activity detection of the input signal to provide a voice activity detection decision (VADD); and a decision combination unit (5) which combines the voice activity detection decisions (VADDs) provided by the voice activity detection units (4-i) depending on the detected signal condition (SC) to provide a combined voice activity detection decision (cVADD).
摘要翻译：提供了用于语音活动检测的方法和装置。用于语音活动检测的装置（1）包括：信号条件分析单元（3），其分析输入信号（2）的至少一个信号参数以检测输入信号的信号条件（SC）; 至少两个语音活动检测单元（4-i），其包括不同的语音检测特性，其中每个语音活动检测单元（4-i）分别执行输入信号的语音活动检测以提供语音活动检测决定（VADD）; 以及判定组合单元（5），其根据检测到的信号条件（SC）组合由语音活动检测单元（4-i）提供的语音活动检测决策（VADD），以提供组合语音活动检测决策（cVADD）。

3. 发明申请

WO2012103686A1 METHOD AND APPARATUS FOR PROVIDING SIGNAL PROCESSING COEFFICIENTS 审中-公开
标题翻译：提供信号处理系统的方法和装置
公开(公告)号：WO2012103686A1
公开(公告)日：2012-08-09
申请号：PCT/CN2011/070884
申请日：2011-02-01
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TALEB, Anisse , XU, Jianfeng , VIRETTE, David
发明人： TALEB, Anisse , XU, Jianfeng , VIRETTE, David
IPC分类号： H03M7/00
CPC分类号： H04L29/0651 , G10L19/06 , G10L19/08 , G10L25/06 , G10L25/12
摘要： A method and apparatus for providing signal processing coefficients for processing an input signal (S1) at a predetermined signal processing sampling rate (f2), wherein the input signal (S1) is received at an input signal sampling rate (f1), the method comprising the steps of computing a correlation or covariance function based on the received input signal (S1) at the input signal sampling rate (f1) to provide correlation or covariance coefficients (r1) at the input signal sampling rate (f1), re-sampling the computed correlation or covariance coefficients (r1) having the input signal sampling rate (f1) to provide correlation or covariance coefficients (r2) at the predetermined signal processing sampling rate (f2), and calculating the signal processing coefficients (c2) based on the correlation or covariance coefficients (r2) at the predetermined signal processing sampling rate (f2).
摘要翻译：一种用于提供用于以预定信号处理采样率（f2）处理输入信号（S1）的信号处理系数的方法和装置，其中以输入信号采样率（f1）接收输入信号（S1），该方法包括基于接收到的输入信号（S1）以输入信号采样率（f1）计算相关或协方差函数以在输入信号采样率（f1）处提供相关性或协方差系数（r1）的步骤，重新采样具有输入信号采样率（f1）的计算相关性或协方差系数（r1），以在预定信号处理采样率（f2）提供相关性或协方差系数（r2），并且基于相关性计算信号处理系数（c2）或者在预定信号处理采样率（f2）下的协方差系数（r2）。

4. 发明申请

WO2012094827A1 A METHOD AND AN APPARATUS FOR VOICE QUALITY ENHANCEMENT 审中-公开
标题翻译：一种用于语音质量增强的方法和装置
公开(公告)号：WO2012094827A1
公开(公告)日：2012-07-19
申请号：PCT/CN2011/070288
申请日：2011-01-14
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TALEB, Anisse , VIRETTE, David , XU, Jianfeng
发明人： TALEB, Anisse , VIRETTE, David , XU, Jianfeng
IPC分类号： H03G9/02
CPC分类号： G10L21/0208 , G10L21/02 , G10L25/69 , H04Q3/00
摘要： A voice quality enhancement (VQE) detector for a network element receiving an audio signal from a previous network element of a network, wherein said voice quality enhancement detector (2) is adapted: to perform a voice quality enhancement detection based on the received audio signal, wherein said voice quality enhancement detection comprises detecting that at least one voice quality enhancement function, VQEF, was applied to the received audio signal by at least one previous network element of the network (1); and to control a voice quality enhancement processing of the received audio signal depending on the detection result.
摘要翻译：一种用于网络元件接收来自网络的先前网络元件的音频信号的语音质量增强（VQE）检测器，其中所述语音质量增强检测器（2）适于：基于所接收的音频信号来执行语音质量增强检测其中所述语音质量增强检测包括检测由网络（1）的至少一个先前网络元件将至少一个语音质量增强功能VQEF应用于所接收的音频信号; 并且根据检测结果控制所接收的音频信号的语音质量增强处理。

5. 发明申请

WO2013075753A1 AN APPARATUS AND A METHOD FOR ENCODING AN INPUT SIGNAL 审中-公开
标题翻译：一种编码输入信号的装置和方法
公开(公告)号：WO2013075753A1
公开(公告)日：2013-05-30
申请号：PCT/EP2011/071021
申请日：2011-11-25
申请人： HUAWEI TECHNOLOGIES CO., LTD. , TALEB, Anisse , XU, Jianfeng , VIRETTE, David
发明人： TALEB, Anisse , XU, Jianfeng , VIRETTE, David
IPC分类号： G10L19/14 , G10L19/02
CPC分类号： G10L19/00 , G10L19/025 , G10L19/20
摘要： An apparatus (1) and a method for encoding an input signal applied to said apparatus(1) comprising:a transient detec- tor (3) adapted to detect whether the applied input signal comprises a transient;at least two transient signal encoders (7-i) adapted to encode the applied input signal if a transi- ent is detected by said transient detector (3); anda selec- tion unit (12) adapted to select a transient signal encoder among the transient signal encoders (7-i) according to at least one predetermined selection criterion.
摘要翻译：一种用于编码施加到所述设备（1）的输入信号的装置（1）和方法，包括：瞬态检测器（3），适于检测所施加的输入信号是否包括瞬态信号;至少两个瞬态信号编码器 -i），其适于在所述瞬态检测器（3）检测到瞬态时对所施加的输入信号进行编码; 和选择单元（12），其适于根据至少一个预定选择标准在所述瞬态信号编码器（7-i）中选择瞬态信号编码器。

6. 发明申请

WO2012058805A1 PARAMETRIC ENCODER FOR ENCODING A MULTI-CHANNEL AUDIO SIGNAL 审中-公开
标题翻译：编码多通道音频信号的参数编码器
公开(公告)号：WO2012058805A1
公开(公告)日：2012-05-10
申请号：PCT/CN2010/078358
申请日：2010-11-03
申请人： HUAWEI TECHNOLOGIES CO., LTD. , CHRISTOF, Faller , MIAO, Lei , LANG, Yue , XU, Jianfeng
发明人： CHRISTOF, Faller , MIAO, Lei , LANG, Yue , XU, Jianfeng
IPC分类号： G10L19/00 , G10L13/00
CPC分类号： G10L19/008 , G10L19/0204
摘要： A parametric encoder for encoding a multi-channel audio signal having a first audio signal and a second audio signal is provided. The parametric encoder has a transformer (101) for transforming the first audio signal into frequency domain to obtain a first transformed audio signal and for transforming the second audio signal into frequency domain to obtain a second transformed audio signal, a parameter generator (107) for generating a first encoding parameter from the first transformed audio signal and from the second transformed audio signal at a first frequency and for generating a second encoding parameter from the first transformed audio signal and from the second transformed audio signal at a second frequency, and a parameter combiner (109) for combining the first encoding parameter and the second encoding parameter to obtain a combined encoding parameter.
摘要翻译：提供了一种用于对具有第一音频信号和第二音频信号的多声道音频信号进行编码的参数编码器。参数编码器具有用于将第一音频信号变换为频域以获得第一变换音频信号并将第二音频信号变换为频域以获得第二变换音频信号的变压器（101），用于从第一变换音频信号和第二变换音频信号以第一频率生成第一编码参数，以及从第一变换音频信号和第二变换音频信号以第二频率产生第二编码参数，以及参数组合器（109），用于组合第一编码参数和第二编码参数以获得组合的编码参数。

7. 发明申请

WO2012006770A1 AUDIO SIGNAL GENERATOR 审中-公开
标题翻译：音频信号发生器
公开(公告)号：WO2012006770A1
公开(公告)日：2012-01-19
申请号：PCT/CN2010/075107
申请日：2010-07-12
申请人： HUAWEI TECHNOLOGIES CO., LTD. , CHRISTOF, Faller , LANG, Yue , XU, Jianfeng
发明人： CHRISTOF, Faller , LANG, Yue , XU, Jianfeng
IPC分类号： H04S5/00
CPC分类号： H04S1/00 , G10L19/008 , H04S2400/03
摘要： The invention relates to an audio signal generator for generating a downmix audio signal from a multi-channel audio signal comprising a first audio channel signal and a second audio channel signal. The audio signal generator comprises a processor (103) for amending a phase of the first audio channel signal using a first phase shift coefficient, and/or for amending a phase of the second audio channel signal using a second phase shift coefficient to reduce signal cancellations when combining the resulting first and second audio channel signal, and a combiner (109) for combining the resulting first and second audio channel signal to obtain the downmix audio signal.
摘要翻译：本发明涉及一种音频信号发生器，用于从包括第一音频通道信号和第二音频通道信号的多声道音频信号产生下混音频信号。音频信号发生器包括：处理器（103），用于使用第一相移系数修正第一音频通道信号的相位;和/或用于使用第二相移系数修正第二音频通道信号的相位以减少信号取消当组合所得到的第一和第二音频信道信号时，以及组合器（109），用于组合所产生的第一和第二音频信道信号以获得下混音频信号。

8. 发明申请

WO2013149672A1 METHOD FOR DETERMINING AN ENCODING PARAMETER FOR A MULTI-CHANNEL AUDIO SIGNAL AND MULTI-CHANNEL AUDIO ENCODER 审中-公开
标题翻译：用于确定多通道音频信号和多通道音频编码器的编码参数的方法
公开(公告)号：WO2013149672A1
公开(公告)日：2013-10-10
申请号：PCT/EP2012/056340
申请日：2012-04-05
申请人： HUAWEI TECHNOLOGIES CO., LTD. , VIRETTE, David , LANG, Yue , XU, Jianfeng
发明人： VIRETTE, David , LANG, Yue , XU, Jianfeng
IPC分类号： G10L19/00
CPC分类号： G10L19/008 , G10L25/06
摘要： The invention relates to a method (100) for determining an encoding parameter (ITD) for an audio channel signal (x 1 ) of a plurality of audio channel signals (x 1 , x 2 ) of a multi-channel audio signal, each audio channel signal (x 1 , x 2 ) having audio channel signal values (x 1 [n], X 2 [n]), the method comprising: determining (101) for the audio channel signal (x 1 ) a set of functions (c[b]) from the audio channel signal values (x 1 [n]) of the audio channel signal (x 1 ) and reference audio signal values (X 2 [n]) of a reference audio signal (x 2 ), wherein the reference audio signal is another audio channel signal (x 2 ) of the plurality of audio channel signals or a down-mix audio signal derived from at least two audio channel signals (x 1 , x 2 ) of the plurality of multi-channel audio signals; determining (103) a first set of encoding parameters (ITD[b]) based on a smoothing of the set of functions (c[b]) with respect to a frame sequence (i) of the multi-channel audio signal, the smoothing being based on a first smoothing coefficient (SMW 1 ); determining (105) a second set of encoding parameters (ITD_inst[b]) based on a smoothing of the set of functions (c[b]) with respect to the frame sequence (i) of the multi-channel audio signal, the smoothing being based on a second smoothing coefficient (SMW 2 ); and determining (107) the encoding parameter (ITD, CLD) based on a quality criterion with respect to the first set of encoding parameters (ITD[b]) and/or the second set of encoding parameters (ITD_inst[b]).
摘要翻译：本发明涉及一种用于确定多声道音频信号的多个音频信道信号（x1，x2）的音频信道信号（x1）的编码参数（ITD）的方法（100），每个音频信道信号具有音频信道信号值（x1 [n]，X2 [n]）的方法，包括：从音频确定（101）音频信道信号（x1）一组函数（c [b]）音频通道信号（x1）的通道信号值（x1 [n]）和参考音频信号（x2）的参考音频信号值（X2 [n]），其中参考音频信号是另一声道信号信号（x2）或从多个多声道音频信号中的至少两个音频信道信号（x1，x2）导出的缩混音频信号; 基于对多声道音频信号的帧序列（i）的函数集（c [b]）的平滑化，确定（103）第一组编码参数（ITD [b]），平滑化基于第一平滑系数（SMW1）; 基于对多声道音频信号的帧序列（i）的函数集（c [b]）的平滑化，确定（105）第二组编码参数（ITD_inst [b]），平滑化基于第二平滑系数（SMW2）; 以及基于关于第一组编码参数（ITD [b]）和/或第二组编码参数（ITD_inst [b]）的质量标准来确定（107）编码参数（ITD，CLD）。

9. 发明申请

WO2013149671A1 MULTI-CHANNEL AUDIO ENCODER AND METHOD FOR ENCODING A MULTI-CHANNEL AUDIO SIGNAL 审中-公开
标题翻译：多频道音频编码器和编码多声道音频信号的方法
公开(公告)号：WO2013149671A1
公开(公告)日：2013-10-10
申请号：PCT/EP2012/056321
申请日：2012-04-05
申请人： HUAWEI TECHNOLOGIES CO., LTD. , VIRETTE, David , LANG, Yue , XU, Jianfeng
发明人： VIRETTE, David , LANG, Yue , XU, Jianfeng
IPC分类号： G10L19/00 , G10L19/02
CPC分类号： G10L19/008 , G10L19/0204
摘要： The invention relates to a method (100) for determining an encoding parameter (ITD) for an audio channel signal (X i ) of a plurality of audio channel signals (X 1 , X 2 ) of a multi-channel audio signal, the method comprising: determining (105) inter channel differences (CD[b]) for at least each frequency sub-band (b) of a subset of frequency subbands, each inter channel difference indicating a phase difference (I PD[b]) or time difference (ITD[b]) between a band-limited signal portion of an audio channel signal and a band-limited signal portion of a reference audio signal in the respective frequency sub-band (b) the inter-channel difference is associated to; determining (107) a first average (ITD mean _p OS ) based on positive values of the inter-channel differences (ICD[b]) and determining a second average (ITD mean_ neg ) based on negative values of the inter-channel differences (ICD[b]); and determining (109) the encoding parameter (ITD) based on the first average and on the second average.
摘要翻译：本发明涉及一种用于确定多声道音频信号的多个音频信道信号（X1，X2）的音频信道信号（Xi）的编码参数（ITD）的方法（100），该方法包括：确定对于频率子带子集的至少每个频率子带（b），每个信道间差异（I PD [b]）或时间差（ITD）的信道差（CD [b]）音频信道信号的频带限制信号部分和各个频率子带（b）中的参考音频信号的频带限制信号部分之间的信道间差分相关联; 基于信道间差异（ICD [b]）的正值确定（107）第一平均值（ITDmean_pOS）并且基于信道间差异的负值（ICD [b]）确定第二平均值（ITDmean_ neg））; 以及基于所述第一平均值和所述第二平均值来确定（109）所述编码参数（ITD）。

10. 发明申请

WO2013149670A1 METHOD FOR PARAMETRIC SPATIAL AUDIO CODING AND DECODING, PARAMETRIC SPATIAL AUDIO CODER AND PARAMETRIC SPATIAL AUDIO DECODER 审中-公开
标题翻译：参考空间音频编码和解码方法，参考空间音频编码器和参考空间音频解码器
公开(公告)号：WO2013149670A1
公开(公告)日：2013-10-10
申请号：PCT/EP2012/056319
申请日：2012-04-05
申请人： HUAWEI TECHNOLOGIES CO., LTD. , VIRETTE, David , LANG, Yue , XU, Jianfeng
发明人： VIRETTE, David , LANG, Yue , XU, Jianfeng
IPC分类号： G10L19/008 , H04S3/00
CPC分类号： G10L19/008 , H04S3/00
摘要： A method for parametric spatial audio coding of a multi-channel audio signal comprising a plurality of audio channel signals is provided, the method comprising: calculating at least two different spatial coding parameters for an audio channel signal of the plurality of audio channel signals, wherein the at least two different spatial coding parameters are of at least two different types of spatial coding parameters and are calculated with regard to a reference audio signal, wherein the reference audio signal is another audio channel signal of the plurality of audio channel signals or a downmix audio signal derived from at least two audio channel signals of the plurality of audio channel signals; selecting at least one spatial coding parameter of the at least two different spatial coding parameters associated with the audio channel signal on the basis of the values of the calculated spatial coding parameters; including a quantized representation of the selected spatial coding parameter into a parameter section (1b) of an audio bitstream (1); and setting a parameter type flag in the parameter section (1b) of the audio bitstream (1) indicating the type of the selected spatial coding parameter being included into the audio bitstream (1).
摘要翻译：提供了一种包括多个音频信道信号的多声道音频信号的参数空间音频编码的方法，所述方法包括：为所述多个音频信道信号的音频信道信号计算至少两个不同的空间编码参数，其中所述至少两个不同的空间编码参数是至少两种不同类型的空间编码参数，并且关于参考音频信号被计算，其中所述参考音频信号是所述多个音频信道信号中的另一个音频信道信号或下混合音频信号从多个音频信道信号的至少两个音频信道信号中得出; 基于所计算的空间编码参数的值，选择与音频信道信号相关联的至少两个不同的空间编码参数中的至少一个空间编码参数; 包括所选择的空间编码参数的量化表示到音频比特流（1）的参数部分（1b）中; 并且在音频比特流（1）的参数部分（1b）中设置参数类型标志，该参数部分指示所包含的音频比特流（1）中所选择的空间编码参数的类型。

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