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1. 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）。

2. 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）。

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

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。

5. 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））。

6. 发明申请

WO2014063755A1 PORTABLE ELECTRONIC DEVICE WITH AUDIO RENDERING MEANS AND AUDIO RENDERING METHOD 审中-公开
标题翻译：具有音频渲染方式的便携式电子设备和音频渲染方法
公开(公告)号：WO2014063755A1
公开(公告)日：2014-05-01
申请号：PCT/EP2012/071306
申请日：2012-10-26
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FALLER, Christof , FAVROT, Alexis , VIRETTE, David , LANG, Yue
发明人： FALLER, Christof , FAVROT, Alexis , VIRETTE, David , LANG, Yue
IPC分类号： H04R3/04 , H04M1/60 , H03G5/02 , H04M9/08
CPC分类号： H04R3/04 , H03G5/165 , H04M9/082 , H04R5/02 , H04R2499/11
摘要： The application relates to a portable electronic device (200), comprising: at least one loudspeaker (217); and audio rendering means (201) configured for adapting an audio signal (215) before submitting the audio signal (215) to the at least one loudspeaker (217), wherein the adapting is according to a function of a positioning of the portable electronic device (200) relative to a listener using the portable electronic device (200).
摘要翻译：本申请涉及一种便携式电子设备（200），包括：至少一个扬声器（217）; 以及音频渲染装置（201），其被配置用于在将所述音频信号（215）提交给所述至少一个扬声器（217）之前适配音频信号（215），其中所述适配是根据所述便携式电子设备（200）相对于收听者使用便携式电子设备（200）。

7. 发明申请

WO2017097324A1 AN AUDIO SIGNAL PROCESSING APPARATUS AND METHOD 审中-公开
标题翻译：一种音频信号处理装置和方法
公开(公告)号：WO2017097324A1
公开(公告)日：2017-06-15
申请号：PCT/EP2015/078805
申请日：2015-12-07
申请人： HUAWEI TECHNOLOGIES CO., LTD. , PANG, Liyun , GROSCHE, Peter
发明人： PANG, Liyun , GROSCHE, Peter , FALLER, Christof , FAVROT, Alexis
IPC分类号： H04S1/00
CPC分类号： H04S1/005 , H04S2400/11 , H04S2420/01
摘要： The invention relates to an audio signal processing apparatus (100) for processing an input audio (101) signal to be transmitted to a listener in such a way that the listener perceives the input audio signal (101) to come from a virtual target position defined by an azimuth angle and an elevation angle relative to the listener, the audio signal processing apparatus (100) comprising a memory (103) configured to store a set of pairs of predefined left ear and right ear transfer functions, which are predefined for a plurality of reference positions relative to the listener, wherein the plurality of reference positions lie in a a two-dimensional plane, a determiner(105) configured to determine a pair of left ear and right ear transfer functions on the basis of the set of predefined pairs of predefined left ear and right ear transfer functions for the azimuth angle and the elevation angle of the virtual target position and an adjustment filter (107) configured to filter the input audio signal (101) on the basis of the determined pair of left ear and right ear transfer functions and an adjustment function (109) configured to adjust a delay between the left ear transfer function and the right ear transfer function of the determined pair of left ear and right ear transfer functions and a frequency dependence of the left ear transfer function and the right ear transfer function of the determined pair of left ear and right ear transfer functions as a function of the azimuth angle and/or the elevation angle of the virtual target position in order to obtain a left ear output audio signal (111a) and a right ear output audio signal (111b).
摘要翻译：本发明涉及一种音频信号处理设备（100），用于以收听者感知输入音频信号（101）的方式处理要发送给收听者的输入音频（101）信号，来自由相对于收听者的方位角和仰角限定的虚拟目标位置，所述音频信号处理设备（100）包括存储器（103），所述存储器被配置为存储一组预定义的左耳和右耳转移函数，其针对相对于收听者的多个参考位置而预定义，其中所述多个参考位置位于二维平面中;确定器（105），其被配置为确定在所述多个参考位置上的一对左耳和右耳传递函数基于虚拟目标位置的方位角和仰角的一组预定义的左耳和右耳传递函数的预定义对，以及调整过滤器（107），其被配置为过滤基于确定的一对左耳和右耳传递函数来放置音频信号（101）;以及调整函数（109），其被配置为调整确定的一对左耳和右耳传递函数的左耳传递函数和右耳传递函数之间的延迟左耳和右耳传递函数以及所确定的一对左耳和右耳传递函数的左耳传递函数和右耳传递函数的频率相关性作为方位角和/或仰角传递函数的方位角和/或仰角的函数虚拟目标位置以便获得左耳输出音频信号（111a）和右耳输出音频信号（111b）。

8. 发明申请

WO2009092522A1 APPARATUS AND METHOD FOR COMPUTING CONTROL INFORMATION FOR AN ECHO SUPPRESSION FILTER AND APPARATUS AND METHOD FOR COMPUTING A DELAY VALUE 审中-公开
标题翻译：用于计算ECHO抑制过滤器的控制信息的装置和方法以及计算延迟值的装置和方法
公开(公告)号：WO2009092522A1
公开(公告)日：2009-07-30
申请号：PCT/EP2009/000123
申请日：2009-01-12
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , KÜCH, Fabian , KALLINGER, Markus , FALLER, Christof , FAVROT, Alexis
发明人： KÜCH, Fabian , KALLINGER, Markus , FALLER, Christof , FAVROT, Alexis
IPC分类号： H04M9/08
CPC分类号： H04M9/082
摘要： An embodiment of an apparatus (200) for computing control information for a suppression filter (210) for filtering a second audio signal to suppress an echo based on a first audio signal includes a computation means (220) having a value determination means (230) for determining at least one energy-related value for a band-pass signal of at least two temporally successive data blocks of at least one signal of a group of signals. The computation means (220) further includes a mean value determination means (250) for determining at least one mean value of the at least one determined energy-related value for the band-pass signal. The computation means (220) further includes a modification means (260) for modifying the at least one energy-related value for the band-pass signal on the basis of the determined mean value for the band-pass signal. The computation means (220) ' further includes a control information computation means (270) for computing the control information for the suppression filter (210) on the basis of the at least one modified energy-related value.
摘要翻译：用于计算用于滤波第二音频信号以抑制基于第一音频信号的回波的抑制滤波器（210）的控制信息的装置（200）的实施例包括具有值确定装置（230）的计算装置（220）用于为一组信号的至少一个信号的至少两个时间上连续的数据块的带通信号确定至少一个能量相关值。计算装置（220）还包括一个平均值确定装置（250），用于确定所述至少一个确定的带通信号的能量相关值的平均值。计算装置（220）还包括修改装置（260），用于根据确定的带通信号的平均值修改带通信号的至少一个能量相关值。计算装置（220）还包括控制信息计算装置（270），用于根据至少一个经修改的能量相关值计算抑制滤波器（210）的控制信息。

9. 发明申请

WO2010013941A3 AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF 审中-公开
公开(公告)号：WO2010013941A3
公开(公告)日：2010-02-04
申请号：PCT/KR2009/004220
申请日：2009-07-29
申请人： LG ELECTRONICS INC. , OH, Hyen O , MOON, Jong Ha , FAVROT, Alexis , FALLER, Christof , LEE, Joon Il , LEE, Myung Hoon , JUNG, Yang Won
发明人： OH, Hyen O , MOON, Jong Ha , FAVROT, Alexis , FALLER, Christof , LEE, Joon Il , LEE, Myung Hoon , JUNG, Yang Won
IPC分类号： G11B20/24 , G10L21/02
摘要： An apparatus for processing an audio signal and method thereof are disclosed, by which a local dynamic range of an audio signal can be adaptively normalized as well as a maximum dynamic range of the audio signal. The present invention includes receiving a signal, by an audio processing apparatus; computing a long-term power and a short-term power by estimating power of the signal; generating a slow gain based on the long-term power; generating a fast gain based on the short-term power; obtaining a final gain by combining the slow gain and the fast gain; and, modifying the signal using the final gain.

10. 发明申请

WO2010013939A2 AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF 审中-公开
标题翻译：一种处理音频信号的装置及其方法
公开(公告)号：WO2010013939A2
公开(公告)日：2010-02-04
申请号：PCT/KR2009/004218
申请日：2009-07-29
申请人： LG ELECTRONICS INC. , OH, Hyen O , MOON, Jong Ha , FAVROT, Alexis , FALLER, Christof , LEE, Joon Il , LEE, Myung Hoon , JUNG, Yang Won
发明人： OH, Hyen O , MOON, Jong Ha , FAVROT, Alexis , FALLER, Christof , LEE, Joon Il , LEE, Myung Hoon , JUNG, Yang Won
IPC分类号： G11B20/24 , G10L21/02
CPC分类号： H03G9/025 , H03G7/007 , H03G9/005
摘要： An apparatus for processing an audio signal and method thereof are disclosed, by which an extent of noise canceling can be adjusted according to an extent of normalizing. The present invention includes receiving a signal, by an audio processing apparatus; computing a long-term power and a short-term power by estimating power of the signal; generating a slow gain based on the long-term power; generating a fast gain based on the short-term power; obtaining a final gain by combining the slow gain and the fast gain; and, modifying the signal using the final gain.
摘要翻译：公开了一种用于处理音频信号的设备及其方法，通过该设备可以根据归一化的程度来调整噪声消除的程度。本发明包括由音频处理装置接收信号; 通过估计信号的功率来计算长期功率和短期功率; 基于长期功率产生慢增益; 基于短期功率产生快速增益; 通过组合慢增益和快增益来获得最终增益; 并使用最终增益修改信号。

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