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    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
    1.
    发明申请
    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
    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

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  FONTANA, Simone ,  GROSCHE, Peter ,  SETIAWAN, Panji

    Inventor： FONTANA, Simone ,  GROSCHE, Peter ,  SETIAWAN, Panji

    IPC: H04S7/00 ,  G01H7/00

    CPC classification number: H04S7/305 ,  G01H7/00 ,  H04S1/005 ,  H04S2400/01 ,  H04S2420/01

    Abstract: 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)

    Abstract translation: 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）

    METHOD AND APPARATUS FOR ACOUSTIC SCENE PLAYBACK
    4.
    发明申请
    METHOD AND APPARATUS FOR ACOUSTIC SCENE PLAYBACK 审中-公开
    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

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  GROSCHE, Peter

    Inventor： GROSCHE, Peter ,  ZOTTER, Franz ,  SCHÖRKHUBER, Christian ,  FRANK, Matthias ,  HÖLDRICH, Robert

    IPC: G10L19/008 ,  H04S7/00

    CPC classification number: 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

    Abstract: 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.

    Abstract translation: 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。

    AN AUDIO COMPRESSION SYSTEM FOR COMPRESSING AN AUDIO SIGNAL
    5.
    发明申请
    AN AUDIO COMPRESSION SYSTEM FOR COMPRESSING AN AUDIO SIGNAL 审中-公开
    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

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  GROSCHE, Peter ,  LANG, Yue ,  ZHANG, Qing

    Inventor： GROSCHE, Peter ,  LANG, Yue ,  ZHANG, Qing

    IPC: H03G7/00

    CPC classification number: H03G3/002 ,  G10L19/26 ,  H03G7/002 ,  H03G7/007 ,  H03G11/008 ,  H04S7/307

    Abstract: 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.

    Abstract translation: 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。

    AUDIO DEVICE AND METHOD FOR PRODUCING A SOUND FIELD
    6.
    发明申请
    AUDIO DEVICE AND METHOD FOR PRODUCING A SOUND FIELD 审中-公开

    公开(公告)号：WO2022248043A1

    公开(公告)日：2022-12-01

    申请号：PCT/EP2021/064141

    申请日：2021-05-27

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  GROSCHE, Peter

    Inventor： POLLOW, Martin

    IPC: H04R3/12 ,  H04R5/02

    Abstract: A device (100) and a method for producing a sound field are disclosed. The device (100) comprises a plurality of loudspeakers (101) arranged at a plurality of locations within a plane and a processing circuitry configured to drive the plurality of loudspeakers (101). A first subset of the plurality of loudspeakers (101) defines a first rhombus within the plane and a second subset of the plurality of loudspeakers (101) defines a second rhombus within the plane. The first rhombus is oriented substantially perpendicular to the second rhombus. Further subsets of the plurality of loudspeakers may define further rhombic sub-arrays. The audio device may be implemented as a soundbar or a sound panel. Thus, an audio device providing a richer sound experience is disclosed.

    AN AUDIO SIGNAL PROCESSING APPARATUS AND METHOD
    7.
    发明申请
    AN AUDIO SIGNAL PROCESSING APPARATUS AND METHOD 审中-公开
    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

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  PANG, Liyun ,  GROSCHE, Peter

    Inventor： PANG, Liyun ,  GROSCHE, Peter ,  FALLER, Christof ,  FAVROT, Alexis

    IPC: H04S1/00

    CPC classification number: H04S1/005 ,  H04S2400/11 ,  H04S2420/01

    Abstract: 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).

    Abstract translation: 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）。

    METHOD AND MOBILE DEVICE FOR PROCESSING AN AUDIO SIGNAL
    9.
    发明申请
    METHOD AND MOBILE DEVICE FOR PROCESSING AN AUDIO SIGNAL 审中-公开
    用于处理音频信号的方法和移动设备

    公开(公告)号：WO2015062649A1

    公开(公告)日：2015-05-07

    申请号：PCT/EP2013/072729

    申请日：2013-10-30

    Applicant: HUAWEI TECHNOLOGIES CO., LTD. ,  GROSCHE, Peter ,  YUE, Lang

    Inventor： GROSCHE, Peter ,  YUE, Lang

    IPC: H04S3/00 ,  H04S1/00

    CPC classification number: H04S7/30 ,  H04S1/002 ,  H04S1/005 ,  H04S3/002 ,  H04S3/004 ,  H04S2400/01 ,  H04S2400/03 ,  H04S2400/05 ,  H04S2420/01

    Abstract: A method (900) for processing an audio signal includes: decomposing (901) an audio signal (602a, 602b) comprising spatial information into a set of audio signal components; and processing (902) a first subset (606a) of the set of audio signal components according to a first processing scheme (603) and processing a second subset (606) of the set of audio signal components according to a second processing scheme (609) different from the first processing scheme (603), wherein the first subset (606a) comprises audio signal components corresponding to at least one frontal signal source (M) and the second subset (606) comprises audio signal components corresponding to at least one ambient signal source (SL, SR); and wherein the second processing scheme (609) is based on crosstalk cancellation.

    Abstract translation: 一种用于处理音频信号的方法（900）包括：将包括空间信息的音频信号（901a，602b）分解（901）成一组音频信号分量; 以及根据第一处理方案（603）处理（902）该组音频信号分量的第一子集（606a），并根据第二处理方案（609）处理该组音频信号分量的第二子集（606） ），其中第一子集（606a）包括对应于至少一个正面信号源（M）的音频信号分量，并且第二子集（606）包括对应于至少一个环境的音频信号分量 信号源（SL，SR）; 并且其中所述第二处理方案（609）基于串扰消除。

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