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1. 发明申请

WO2016169604A1 AN AUDIO SIGNAL PROCESSING APPARATUS FOR PROCESSING AN INPUT EARPIECE AUDIO SIGNAL UPON THE BASIS OF A MICROPHONE AUDIO SIGNAL 审中-公开
标题翻译：用于处理基于麦克风音频信号的输入音频信号的音频信号处理装置
公开(公告)号：WO2016169604A1
公开(公告)日：2016-10-27
申请号：PCT/EP2015/058809
申请日：2015-04-23
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , LANG, Yue
发明人： FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , LANG, Yue
IPC分类号： G10L21/034
CPC分类号： G10L21/034 , G10L21/0205 , G10L25/78 , G10L25/84
摘要： The invention relates to an audio signal processing apparatus (100) for processing an input earpiece audio signal (x) upon the basis of a microphone audio signal (y), the audio signal processing apparatus (100) comprising a voice activity detector (101) being configured to determine a voice activity indicator signal (x vad ) upon the basis of the input earpiece audio signal (x), a noise magnitude determiner (103) being configured to determine a microphone noise magnitude indicator signal (wy) upon the basis of the microphone audio signal (y), a gain factor determiner (105) being configured to determine a gain factor signal (Δ G ) upon the basis of the voice activity indicator signal (x vad ) and the microphone noise magnitude indicator signal (w y ), and a weighter (107) being configured to weight the input earpiece audio signal (x) by the gain factor signal (Δ G ) to obtain an output earpiece audio signal.
摘要翻译：本发明涉及一种用于根据麦克风音频信号（y）处理输入听筒音频信号（x）的音频信号处理设备（100），音频信号处理设备（100）包括语音活动检测器（101）被配置为基于输入听筒音频信号（x）来确定语音活动指示符信号（xvad），噪声量值确定器（103）被配置为基于所述语音活动指示符信号麦克风音频信号（y），增益因子确定器（105）被配置为基于语音活动指示符信号（xvad）和麦克风噪声幅度指示符信号（wy）来确定增益因子信号（ΔG），以及重心（107）被配置为通过增益因子信号（ΔG）对输入听筒音频信号（x）进行加权，以获得输出听筒音频信号。

2. 发明申请

WO2016096021A1 SURROUND SOUND RECORDING FOR MOBILE DEVICES 审中-公开
标题翻译：移动设备的环绕声录音
公开(公告)号：WO2016096021A1
公开(公告)日：2016-06-23
申请号：PCT/EP2014/078558
申请日：2014-12-18
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , LANG, Yue
发明人： FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , LANG, Yue
IPC分类号： H04R3/00 , H04R1/32 , H04R1/40
CPC分类号： H04R5/027 , H04R1/326 , H04R1/406 , H04R3/005 , H04R5/04 , H04R2430/21 , H04R2499/11 , H04S3/00 , H04S2400/15
摘要： The present invention is directed to a microphone arrangement (100) and a method (900) using the microphone arrangement (100) for recording surround sound in a mobile device (200). The microphone arrangement (100) comprises a first and a second microphone (102) and (103) arranged at a first distance (d 1 ) to each other and configured to obtain a stereo signal, and comprises a third microphone (103) configured to obtain a steering signal (DOA, 1-DOA) together with at least one of the first and second microphone (102) and (103) and/or with a fourth microphone (104). The microphone arrangement (100) also comprises a processor (105) configured to separate the stereo signal into a front stereo signal (FL, FR) and a back stereo signal (BL, BR) based on the steering signal (DOA, 1-DOA).
摘要翻译：本发明涉及一种在移动设备（200）中使用麦克风装置（100）来记录环绕声的麦克风装置（100）和方法（900）。麦克风装置（100）包括第一和第二麦克风（102）和（103），它们以彼此之间的第一距离（d1）布置并被配置为获得立体声信号，并且包括被配置为获得的第三麦克风（103）与第一和第二麦克风（102）和（103）中的至少一个和/或与第四麦克风（104）一起的转向信号（DOA，1-DOA）。麦克风装置（100）还包括处理器（105），其被配置为基于转向信号（DOA，1-DOA）将立体声信号分离成前立体声信号（FL，FR）和后立体声信号（BL，BR））。

3. 发明申请

WO2017202460A1 AUDIO SIGNAL PROCESSING STAGE, AUDIO SIGNAL PROCESSING APPARATUS AND AUDIO SIGNAL PROCESSING METHOD 审中-公开
标题翻译：音频信号处理级，音频信号处理设备和音频信号处理方法
公开(公告)号：WO2017202460A1
公开(公告)日：2017-11-30
申请号：PCT/EP2016/061782
申请日：2016-05-25
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , POLLOW, Martin , GEIGER, Jürgen
发明人： FALLER, Christof , FAVROT, Alexis , GROSCHE, Peter , POLLOW, Martin , GEIGER, Jürgen
IPC分类号： H04R3/04 , H04R3/00
摘要： The invention relates to an audio signal processing stage (600) for processing an input audio signal (101) into an output audio signal (103). The audio signal processing stage (600) comprises: a filter bank (105a) defining two or more frequency bands, the filter bank separating the input audio signal (101) into two or more input audio signal components (X(k,b)); a set of two or more band branches (105e) which provide two or more output audio signal components (Y(k,b)). The set of two or more band branches (105e) comprises one or more compressor branches, each comprising a compressor (105b) which compresses the respective input audio signal component (X(k,b)) to provide the respective output audio signal component (Y(k,b)); an inverse filter bank (105d) which generates a summed audio signal (y(t)) by summing the two or more output audio signal components (Y(k,b)); a residual audio signal generating unit (613) which generates a residual audio signal (v(t)) which is a difference between the input audio signal (101) and the summed audio signal(y(t)); a virtual bass unit (107) which generates a virtual bass signal (w(t)) that comprises one or more harmonics of the residual audio signal (v(t)); and a summation unit (109) which generates the output audio signal (103) by summing the summed audio signal (y(t)) and the virtual bass signal (w(t)). A variant (700) of the audio signal processing stage (600), and corresponding audio signal processing methods are also described.
摘要翻译：本发明涉及用于将输入音频信号（101）处理为输出音频信号（103）的音频信号处理级（600）。音频信号处理级（600）包括：定义两个或更多个频带的滤波器组（105a），滤波器组将输入音频信号（101）分离为两个或更多个输入音频信号分量（X（k，b）） ; 提供两个或更多个输出音频信号分量（Y（k，b））的一组两个或更多个频带分支（105e）。两个或更多个频带分支（105e）的集合包括一个或更多个压缩器分支，每个压缩器分支包括压缩相应输入音频信号分量（X（k，b））的压缩器（105b），以提供相应的输出音频信号分量 Y（K，b））; 逆滤波器组（105d），其通过对两个或更多个输出音频信号分量（Y（k，b））求和来生成求和音频信号（y（t））; 产生作为输入音频信号（101）和相加后的音频信号（y（t））之间的差值的残余音频信号（v（t））的残余音频信号产生单元（613）产生包括残余音频信号（v（t））的一个或多个谐波的虚拟低音信号（w（t））的虚拟低音单元（107）和求和单元（109），其通过对相加后的音频信号（y（t））和虚拟低音信号（w（t））求和来生成输出音频信号（103）。还描述了音频信号处理级（600）的变体（700）以及相应的音频信号处理方法。

4. 发明申请

WO2016023581A1 AN AUDIO SIGNAL PROCESSING APPARATUS 审中-公开
标题翻译：音频信号处理设备
公开(公告)号：WO2016023581A1
公开(公告)日：2016-02-18
申请号：PCT/EP2014/067288
申请日：2014-08-13
申请人： HUAWEI TECHNOLOGIES CO.,LTD , FALLER, Christof , FAVROT, Alexis , YUE, Lang , GROSCHE, Peter
发明人： FALLER, Christof , FAVROT, Alexis , YUE, Lang , GROSCHE, Peter
IPC分类号： H04S3/00
CPC分类号： H04S7/306 , H04S1/002 , H04S3/008 , H04S2420/01
摘要： The invention relates to an audio signal processing apparatus (100) for pre-processing a first input audio signal (E L ) to obtain a first output audio signal (X L ) and for pre-processing a second input audio signal (E R ) to obtain a second output audio signal (X R ), the first output audio signal (X L ) to be transmitted over a first acoustic near-field propagation channel between a first loudspeaker and a left ear of a listener, the second output audio signal (X R ) to be transmitted over a second acoustic near-field propagation channel between a second loudspeaker and a right ear of the listener, the audio signal processing apparatus (100) comprising a provider (101 ) being configured to provide a first acoustic near-field transfer function (G LL ) of the first acoustic near-field propagation channel between the first loudspeaker and the left ear of the listener, and to provide a second acoustic near-field transfer function (G RR ) of the second acoustic near-field propagation channel between the second loudspeaker and the right ear of the listener, and a filter (103) being configured to filter the first input audio signal (E L ) upon the basis of an inverse of the first acoustic near- field transfer function (G LL ) to obtain the first output audio signal (X L ), the first output audio signal (X L ) being independent of the second input audio signal (E R ), and to filter the second input audio signal (E R ) upon the basis of an inverse of the second acoustic near-field transfer function (G RR ) to obtain the second output audio signal (XR), the second output audio signal (X R ) being independent of the first input audio signal (E L ).
摘要翻译：本发明涉及一种用于预处理第一输入音频信号（EL）以获得第一输出音频信号（XL）并用于预处理第二输入音频信号（ER）的音频信号处理设备（100），以获得第二输出音频信号（XR），要在第一扬声器和收听者的左耳之间的第一声近场传播信道上传输的第一输出音频信号（XL），第二输出音频信号（XR）所述音频信号处理装置（100）包括提供商（101），所述提供商（101）被配置为提供第一声学近场传递函数（GLL，第一声场近场传递函数））在收听者的第一扬声器和左耳之间的第一声近场传播信道，并且提供第二声近场传播信道的第二声近场传递函数（GRR）第二扬声器和收听者的右耳，以及滤波器（103），被配置为基于第一声学近场传递函数（GLL）的倒数来对第一输入音频信号（EL）进行滤波，以获得第一输出音频信号（XL），所述第一输出音频信号（XL）独立于所述第二输入音频信号（ER），并且基于所述第二声学近似信号（ER）的反相来滤波所述第二输入音频信号场传递函数（GRR）以获得第二输出音频信号（XR），第二输出音频信号（XR）独立于第一输入音频信号（EL）。

5. 发明申请

WO2016012037A1 AN APPARATUS AND A METHOD FOR MANIPULATING AN INPUT AUDIO SIGNAL 审中-公开
标题翻译：一种用于操纵输入音频信号的装置和方法
公开(公告)号：WO2016012037A1
公开(公告)日：2016-01-28
申请号：PCT/EP2014/065728
申请日：2014-07-22
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FALLER, Christof , FAVROT, Alexis , PANG, Liyun , GROSCHE, Peter , YUE, Lang
发明人： FALLER, Christof , FAVROT, Alexis , PANG, Liyun , GROSCHE, Peter , YUE, Lang
IPC分类号： H04S7/00
CPC分类号： H04S7/302 , H04R3/04 , H04S3/008 , H04S2400/01 , H04S2400/11 , H04S2420/01 , H04S2420/03
摘要： The invention relates to an apparatus (100) for manipulating an input audio signal associated to a spatial audio source within a spatial audio scenario, wherein the spatial audio source has a certain distance to a listener within the spatial audio scenario, the apparatus (100) comprising an exciter (101) adapted to manipulate the input audio signal to obtain an output audio signal, and a controller (103) adapted to control parameters of the exciter (101) for manipulating the input audio signal upon the basis of the certain distance.
摘要翻译：本发明涉及一种用于在空间音频场景内操纵与空间音频源相关联的输入音频信号的装置（100），其中空间音频源与空间音频场景内的收听者有一定的距离，该设备（100）包括适于操纵所述输入音频信号以获得输出音频信号的激励器（101），以及适于基于所述一定距离来控制所述激励器（101）的参数来操纵所述输入音频信号的控制器（103）。

6. 发明申请

WO2015113601A1 AN AUDIO COMPRESSION SYSTEM FOR COMPRESSING AN AUDIO SIGNAL 审中-公开
标题翻译：用于压缩音频信号的音频压缩系统
公开(公告)号：WO2015113601A1
公开(公告)日：2015-08-06
申请号：PCT/EP2014/051794
申请日：2014-01-30
申请人： HUAWEI TECHNOLOGIES CO., LTD. , GROSCHE, Peter , LANG, Yue , ZHANG, Qing
发明人： GROSCHE, Peter , LANG, Yue , ZHANG, Qing
IPC分类号： H03G7/00
CPC分类号： H03G3/002 , G10L19/26 , H03G7/002 , H03G7/007 , H03G11/008 , H04S7/307
摘要： The invention relates to an audio compression system (100) for compressing an input audio signal, the audio compression system (100) comprising a digital filter (101) for filtering the input audio signal, the digital filter (101) comprising a frequency transfer function having a magnitude over frequency, the magnitude being formed by an equal loudness curve of a human ear to obtain a filtered audio signal, and a compressor (103) being configured to compress the input audio signal upon the basis of the filtered audio signal to obtain a compressed audio signal.
摘要翻译：本发明涉及一种用于压缩输入音频信号的音频压缩系统（100），该音频压缩系统（100）包括用于对输入音频信号进行滤波的数字滤波器（101），数字滤波器（101）包括频率传递函数具有超过频率的幅度，幅度由人耳的相等的响度曲线形成以获得滤波的音频信号，以及压缩器（103），其被配置为基于经滤波的音频信号来压缩输入音频信号，以获得压缩音频信号。

7. 发明申请

WO2015086040A1 APPARATUS AND METHOD FOR ENHANCING A SPATIAL PERCEPTION OF AN AUDIO SIGNAL 审中-公开
标题翻译：用于增强音频信号的空间感知的装置和方法
公开(公告)号：WO2015086040A1
公开(公告)日：2015-06-18
申请号：PCT/EP2013/075975
申请日：2013-12-09
申请人： HUAWEI TECHNOLOGIES CO., LTD. , GROSCHE, Peter , LANG, Yue
发明人： GROSCHE, Peter , LANG, Yue
IPC分类号： H04S1/00 , H04R5/02
CPC分类号： H04S1/007 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2499/11 , H04R2499/15 , H04S1/002 , H04S2420/01 , H04S2420/07
摘要： An apparatus and a method for enhancing a spatial perception of an audio signal are provided creating increased interaural-level differences. To obtain this effect, two dipoles are used: one for producing a left audio signal and one for producing a right audio signal.
摘要翻译：提供了用于增强音频信号的空间感知的装置和方法，其产生增加的心律间水平差异。为了获得这种效果，使用两个偶极子：一个用于产生左音频信号，一个用于产生正确的音频信号。

8. 发明申请

WO2015062658A1 SYSTEM AND METHOD FOR EVALUATING AN ACOUSTIC TRANSFER FUNCTION 审中-公开
标题翻译：用于评估声学传递函数的系统和方法
公开(公告)号：WO2015062658A1
公开(公告)日：2015-05-07
申请号：PCT/EP2013/072833
申请日：2013-10-31
申请人： HUAWEI TECHNOLOGIES CO., LTD. , JIN, Wenyu , KLEIJN, Willem Bastiaan , LANG, Yue , GROSCHE, Peter
发明人： JIN, Wenyu , KLEIJN, Willem Bastiaan , LANG, Yue , GROSCHE, Peter
IPC分类号： H04R29/00 , H04S7/00
CPC分类号： H04S7/30 , H04S7/301 , H04S2420/01
摘要： A system (100) and a method for evaluating an acoustic transfer function, wherein the acoustic transfer function is a transfer function from one acoustic source to a reproduction area (RA) sampled by a limited number of microphone modules (120).
摘要翻译：一种系统（100）和用于评估声学传递函数的方法，其中所述声学传递函数是从一个声源到由有限数量的麦克风模块（120）采样的再现区域（RA）的传递函数。

9. 发明申请

WO2016074734A1 AUDIO SIGNAL PROCESSING DEVICE AND METHOD FOR REPRODUCING A BINAURAL SIGNAL 审中-公开
标题翻译：音频信号处理装置和再生信号信号的方法
公开(公告)号：WO2016074734A1
公开(公告)日：2016-05-19
申请号：PCT/EP2014/074536
申请日：2014-11-13
申请人： HUAWEI TECHNOLOGIES CO., LTD. , HELWANI, Karim , GROSCHE, Peter , LANG, Yue
发明人： HELWANI, Karim , GROSCHE, Peter , LANG, Yue
IPC分类号： H04S7/00
CPC分类号： H04S7/303 , G06F3/012 , H04R5/02 , H04R5/04 , H04R2499/11 , H04S3/00 , H04S3/008 , H04S5/005 , H04S7/00 , H04S7/30 , H04S7/305 , H04S2400/01 , H04S2420/01
摘要： An audio signal processing device (10) for generating a plurality of output signals for a plurality of loudspeakers from an input audio signal comprises a driving function determining unit (11) adapted to determined driving functions of a plurality of loudspeakers for generating a virtual left binaural signal source and a virtual right binaural signal source based upon a position and a directivity of the virtual left binaural signal source, a position and a directivity of the virtual right binaural signal source and positions of the plurality of loudspeakers. Moreover, it comprises a filtering unit (12) adapted to filter a left binaural signal and a right binaural signal using the driving functions of the plurality of loudspeakers resulting in the plurality of output signals. The left binaural signal and the right binaural signal constitute the input audio signal or are derived there from.
摘要翻译：一种用于从输入音频信号产生多个扬声器的多个输出信号的音频信号处理装置（10）包括适于确定多个扬声器的驱动功能的驱动功能确定单元（11），用于产生虚拟左双耳信号源和虚拟右双耳信号源，基于虚拟左双耳信号源的位置和方向性，虚拟右双耳信号源的位置和方向性以及多个扬声器的位置。此外，它包括适于使用多个扬声器的驱动功能来过滤左双耳信号和右双耳信号的滤波单元（12），导致多个输出信号。左双耳信号和右双耳信号构成输入音频信号或从中导出。

10. 发明申请

WO2015113602A1 A DIGITAL COMPRESSOR FOR COMPRESSING AN AUDIO SIGNAL 审中-公开
标题翻译：用于压缩音频信号的数字压缩机
公开(公告)号：WO2015113602A1
公开(公告)日：2015-08-06
申请号：PCT/EP2014/051795
申请日：2014-01-30
申请人： HUAWEI TECHNOLOGIES CO., LTD. , GROSCHE, Peter , LANG, Yue , ZHANG, Qing
发明人： GROSCHE, Peter , LANG, Yue , ZHANG, Qing
IPC分类号： H03G7/00
CPC分类号： H03G7/002 , H03G7/007 , H03G9/18
摘要： The invention relates to a digital compressor (100) for compressing an input audio signal, the digital compressor (100) comprising a compression gain control (101) for providing a compression gain parameter, a compression parameter determiner (103) for determining a compression ratio from the compression gain parameter, the compression parameter determiner (103) being configured to weight the compression gain parameter by a predetermined weight factor to obtain the compression ratio, an auxiliary signal generator (105) for manipulating the input audio signal in dependence of the compression ratio to obtain a first auxiliary signal, and a combiner unit (107) for combining the first auxiliary signal with the compression gain parameter to obtain a second auxiliary signal, and for combining the input audio signal with the second auxiliary signal to obtain the compressed audio signal.
摘要翻译：本发明涉及一种用于压缩输入音频信号的数字压缩器（100），数字压缩器（100）包括用于提供压缩增益参数的压缩增益控制（101），用于确定压缩比的压缩参数确定器（103）根据压缩增益参数，压缩参数确定器（103）被配置为将压缩增益参数加权预定权重因子以获得压缩比;辅助信号发生器（105），用于根据压缩来操纵输入音频信号比率以获得第一辅助信号;以及组合器单元（107），用于将第一辅助信号与压缩增益参数组合以获得第二辅助信号，并且用于将输入音频信号与第二辅助信号组合以获得压缩音频信号。

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