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1. 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。

2. 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。

3. 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。

4. 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。

5. 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。

6. 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。

7. 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））。

8. 发明申请

WO2018077379A1 METHOD AND APPARATUS FOR ACOUSTIC SCENE PLAYBACK 审中-公开
标题翻译：用于声场回放的方法和设备
公开(公告)号：WO2018077379A1
公开(公告)日：2018-05-03
申请号：PCT/EP2016/075595
申请日：2016-10-25
申请人： HUAWEI TECHNOLOGIES CO., LTD. , GROSCHE, Peter
发明人： GROSCHE, Peter , ZOTTER, Franz , SCHÖRKHUBER, Christian , FRANK, Matthias , HÖLDRICH, Robert
IPC分类号： G10L19/008 , H04S7/00
CPC分类号： H04S7/303 , G10L19/008 , H04R1/403 , H04R1/406 , H04R3/005 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2430/01 , H04S3/008 , H04S7/30 , H04S7/302 , H04S7/304 , H04S2400/01 , H04S2400/15
摘要： A method for acoustic scene playback comprises: providing recording data comprising microphone signals of one or more microphone setups positioned within an acoustic scene and microphone metadata of the one or more microphone setups, wherein each of the one or more microphone setups comprises one or more microphones and has a recording spot which is a center position of the respective microphone setup; specifying a virtual listening position, wherein the virtual listening position is a position within the acoustic scene; assigning each microphone setup of the one or more microphone setups one or more Virtual Loudspeaker Objects, VLOs, wherein each VLO is an abstract sound output object within a virtual free field; generating an encoded data stream based on the recording data, the virtual listening position and VLO parameters of the VLOs assigned to the one or more microphone setups; and decoding the encoded data stream based on a playback setup, thereby generating a decoded data stream; and feeding the decoded data stream to a rendering device, thereby driving the rendering device to reproduce sound of the acoustic scene at the virtual listening position. A playback apparatus and a computer program for performing the method for acoustic scene playback are also described.
摘要翻译：用于声场景回放的方法包括：提供包括位于声场景内的一个或多个麦克风设置的麦克风信号和所述一个或多个麦克风设置的麦克风元数据的记录数据，其中，所述一个或多个麦克风设置更多麦克风设置包括一个或多个麦克风并且具有作为相应麦克风设置的中心位置的记录点; 指定虚拟收听位置，其中所述虚拟收听位置是所述声场景内的位置; 为一个或多个麦克风设置的每个麦克风设置分配一个或多个虚拟扬声器对象VLO，其中每个VLO是虚拟自由场内的抽象声音输出对象; 基于记录数据，分配给一个或多个麦克风设置的VLO的虚拟收听位置和VLO参数来生成编码数据流; 以及基于回放设置对编码的数据流进行解码，从而生成解码的数据流; 并且将解码的数据流馈送到渲染设备，从而驱动渲染设备在虚拟收听位置处再现声场景的声音。还描述了用于执行声场景回放的方法的回放装置和计算机程序。

9. 发明申请

WO2015139769A1 APPARATUS AND METHOD FOR ESTIMATING AN OVERALL MIXING TIME BASED ON AT LEAST A FIRST PAIR OF ROOM IMPULSE RESPONSES, AS WELL AS CORRESPONDING COMPUTER PROGRAM 审中-公开
标题翻译：根据相关计算机程序，至少可以计算出第一对房间冲突响应的估算整体混合时间的装置和方法
公开(公告)号：WO2015139769A1
公开(公告)日：2015-09-24
申请号：PCT/EP2014/055703
申请日：2014-03-21
申请人： HUAWEI TECHNOLOGIES CO., LTD. , FONTANA, Simone , GROSCHE, Peter , SETIAWAN, Panji
发明人： FONTANA, Simone , GROSCHE, Peter , SETIAWAN, Panji
IPC分类号： H04S7/00 , G01H7/00
CPC分类号： H04S7/305 , G01H7/00 , H04S1/005 , H04S2400/01 , H04S2420/01
摘要： The present application refers to an apparatus (200) for estimating an overall mixing time based on at least a first pair of room impulse responses, the apparatus comprising a processing element (305) configured to determine differences between energy profiles of a first room impulse response of the first pair of room impulse responses anda second room impulse response of the first pair of room impulse responses at a plurality of different sample times of the first pair of room impulse responses,set a sample time of the plurality of sample times as a mixing time for the first pair of room impulse responses at which the difference between the energy profiles of the first room impulse response and the second room impulse response of the first pair of room impulse responses is equal to or below a threshold value, anddetermine the overall mixing time based on the mixing time for the first pair of room impulse responses.The present applicationfurther refers to a corresponding method for estimating an overall mixing time. (Fig. 9)
摘要翻译：本申请涉及一种用于基于至少第一对房间脉冲响应来估计总体混合时间的装置（200），该装置包括处理元件（305），其被配置为确定第一房间脉冲响应的能量曲线之间的差异在第一对房间冲击响应的多个不同采样时间的第一对房间冲击响应和第一室室冲击响应的第二室冲击响应，将多个采样时间的采样时间设置为混合第一对房间脉冲响应的第一房间脉冲响应的能量曲线与第一房间脉冲响应对的第二房间冲击响应之间的差异等于或低于阈值的第一对房间冲击响应的时间，并且确定整体混合时间基于第一对房间冲击响应的混合时间。本申请进一步涉及相应的估计方法模拟整体混合时间。（图9）

10. 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）。

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