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1. 发明申请

WO2012072804A1 APPARATUS AND METHOD FOR GEOMETRY-BASED SPATIAL AUDIO CODING 审中-公开
标题翻译：用于基于几何的空间音频编码的装置和方法
公开(公告)号：WO2012072804A1
公开(公告)日：2012-06-07
申请号：PCT/EP2011/071644
申请日：2011-12-02
申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. , Friedrich-Alexander-Universität Erlangen-Nürnberg , DEL GALDO, Giovanni , THIERGART, Oliver , HERRE, Jürgen , KÜCH, Fabian , HABETS, Emanuel , CRACIUN, Alexandra , KUNTZ, Achim
发明人： DEL GALDO, Giovanni , THIERGART, Oliver , HERRE, Jürgen , KÜCH, Fabian , HABETS, Emanuel , CRACIUN, Alexandra , KUNTZ, Achim
IPC分类号： G10L19/14 , G10L19/02 , G10L19/00 , H04R3/00
CPC分类号： G10L19/00 , G10L19/008 , G10L19/02 , G10L19/167 , G10L19/20 , H04R1/326 , H04R3/005 , H04R2430/21
摘要： An apparatus for generating at least one audio output signal based on an audio data stream comprising audio data relating to one or more sound sources is provided. The apparatus comprises a receiver for receiving the audio data stream comprising the audio data. The audio data comprises one or more pressure values for each one of the sound sources. Furthermore, the audio data comprises one or more position values indicating a position of one of the sound sources for each one of the sound sources. Moreover, the apparatus comprises a synthesis module for generating the at least one audio output signal based on at least one of the one or more pressure values of the audio data of the audio data stream and based on at least one of the one or more position values of the audio data of the audio data stream.
摘要翻译：提供了一种用于基于包括与一个或多个声源相关的音频数据的音频数据流来生成至少一个音频输出信号的装置。该装置包括用于接收包括音频数据的音频数据流的接收器。音频数据包括每个声源的一个或多个压力值。此外，音频数据包括指示每个声源的声源中的一个的位置的一个或多个位置值。此外，该装置包括合成模块，用于基于音频数据流的音频数据的一个或多个压力值中的至少一个产生至少一个音频输出信号，并且基于该一个或多个位置音频数据流的音频数据的值。

2. 发明申请

WO2012072798A1 SOUND ACQUISITION VIA THE EXTRACTION OF GEOMETRICAL INFORMATION FROM DIRECTION OF ARRIVAL ESTIMATES 审中-公开
标题翻译：通过从到达估计方向提取几何信息的声音收购
公开(公告)号：WO2012072798A1
公开(公告)日：2012-06-07
申请号：PCT/EP2011/071629
申请日：2011-12-02
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG , HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , THIERGART, Oliver , MAHNE, Dirk , KUNTZ, Achim , KRATSCHMER, Michael , CRACIUN, Alexandra
发明人： HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , THIERGART, Oliver , MAHNE, Dirk , KUNTZ, Achim , KRATSCHMER, Michael , CRACIUN, Alexandra
IPC分类号： H04R3/00 , G10L19/00
CPC分类号： G10L19/00 , G10L19/008 , G10L19/02 , G10L19/167 , G10L19/20 , H04R1/326 , H04R3/005 , H04R2430/21
摘要： An apparatus for generating an audio output signal to simulate a recording of a virtual microphone at a configurable virtual position in an environment is provided. The apparatus comprises a sound events position estimator and an information computation module (120). The sound events position estimator (110) is adapted to estimate a sound source position indicating a position of a sound source in the environment, wherein the sound events position estimator (110) is adapted to estimate the sound source position based on a first direction information provided by a first real spatial microphone being located at a first real microphone position in the environment, and based on a second direction information provided by a second real spatial microphone being located at a second real microphone position in the environment. The information computation module (120) is adapted to generate the audio output signal based on a first recorded audio input signal, based on the first real microphone position, based on the virtual position of the virtual microphone, and based on the sound source position.
摘要翻译：提供了一种用于生成音频输出信号以模拟在环境中的可配置虚拟位置处的虚拟麦克风的记录的装置。该装置包括声音事件位置估计器和信息计算模块（120）。声音事件位置估计器（110）适于估计指示环境中声源的位置的声源位置，其中声音事件位置估计器（110）适于基于第一方向信息来估计声源位置由位于环境中的第一实际麦克风位置处的第一实际空间麦克风提供，并且基于由位于环境中的第二真实麦克风位置的第二实际空间麦克风提供的第二方向信息。信息计算模块（120）适于基于第一真实麦克风位置，基于虚拟麦克风的虚拟位置，并且基于声源位置，基于第一记录音频输入信号生成音频输出信号。

3. 发明申请

WO2012072787A1 APPARATUS AND METHOD FOR SPATIALLY SELECTIVE SOUND ACQUISITION BY ACOUSTIC TRIANGULATION 审中-公开
标题翻译：通过声学三角形进行空间选择性声音采集的装置和方法
公开(公告)号：WO2012072787A1
公开(公告)日：2012-06-07
申请号：PCT/EP2011/071600
申请日：2011-12-02
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG , HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , GRILL, Bernhard
发明人： HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , GRILL, Bernhard
IPC分类号： H04R1/40 , H04R3/00
CPC分类号： H04R1/40 , G10L2021/02166 , H04R1/406 , H04R3/005 , H04R2201/401 , H04R2430/25
摘要： An apparatus for capturing audio information from a target location is provided. The apparatus comprises a first beamformer (110) being arranged in a recording environment and having a first recording characteristic, a second beamformer (120) being arranged in the recording environment and having a second recording characteristic and a signal generator (130). The first beamformer (110) is configured for recording a first beamformer audio signal and the second beamformer is configured for recording a second beamformer audio signal when the first beamformer (110) and the second beamformer (120) are directed towards the target location with respect to the first and the second recording characteristic. The first beamformer (110) and the second beamformer (120) are arranged such that a first virtual straight line, being defined to pass through the first beamformer (110) and the target location, and a second virtual straight line, being defined to pass through the second beamformer (120) and the target location, are not parallel with respect to each other. The signal generator (130) is configured to generate an audio output signal based on the first beamformer audio signal and on the second beamformer audio signal so that the audio output signal reflects relatively more audio information from the target location compared to the audio information from the target location in the first and the second beamformer audio signal.
摘要翻译：提供了一种用于从目标位置捕获音频信息的装置。该装置包括布置在记录环境中并具有第一记录特性的第一波束形成器（110），第二波束形成器（120）布置在记录环境中并具有第二记录特性和信号发生器（130）。第一波束成形器（110）被配置为用于记录第一波束形成器音频信号，并且第二波束形成器被配置用于当第一波束形成器（110）和第二波束形成器（120）指向目标位置时记录第二波束形成器音频信号，到第一和第二记录特性。第一波束成形器（110）和第二波束成形器（120）被布置成使得被定义为穿过第一波束形成器（110）和目标位置的第一虚拟直线和被定义为通过的第二虚拟直线通过第二波束形成器（120）和目标位置不相对于彼此平行。信号发生器（130）被配置为基于第一波束形成器音频信号和第二波束形成器音频信号来生成音频输出信号，使得音频输出信号与来自目标位置的音频信息相比，反映来自目标位置的相对更多的音频信息第一和第二波束形成器音频信号中的目标位置。

4. 发明申请

WO2010128136A1 AUDIO FORMAT TRANSCODER 审中-公开
标题翻译：音频格式转换器
公开(公告)号：WO2010128136A1
公开(公告)日：2010-11-11
申请号：PCT/EP2010/056252
申请日：2010-05-07
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , THIERGART, Oliver , FALCH, Cornelia , KÜCH, Fabian , DEL GALDO, Giovanni , HERRE, Jürgen , KALLINGER, Markus
发明人： THIERGART, Oliver , FALCH, Cornelia , KÜCH, Fabian , DEL GALDO, Giovanni , HERRE, Jürgen , KALLINGER, Markus
IPC分类号： G10L19/00 , G10L21/02
CPC分类号： G10L21/0272 , G10L19/008
摘要： An audio format transcoder (100) for transcoding an input audio signal, the input audio signal having at least two directional audio components. The audio format transcoder (100) comprising a converter (110) for converting the input audio signal into a converted signal, the converted signal having a converted signal representation and a converted signal direction of arrival. The audio format transcoder (100) further comprises a position provider (120) for providing at least two spatial positions of at least two spatial audio sources and a processor (130) for processing the converted signal representation based on the at least two spatial positions to obtain at least two separated audio source measures.
摘要翻译：一种用于对输入音频信号进行代码转换的音频格式转码器（100），该输入音频信号具有至少两个方向音频分量。音频格式转码器（100）包括用于将输入音频信号转换成转换信号的转换器（110），该转换信号具有转换的信号表示和转换的信号到达方向。音频格式转码器（100）还包括用于提供至少两个空间音频源的至少两个空间位置的位置提供器（120）和用于基于至少两个空间位置处理转换后的信号表示的处理器（130）获取至少两个独立的音频源测量。

5. 发明申请

WO2012104119A1 SEMANTIC AUDIO TRACK MIXER 审中-公开
标题翻译：语音音轨混音器
公开(公告)号：WO2012104119A1
公开(公告)日：2012-08-09
申请号：PCT/EP2012/050365
申请日：2012-01-11
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN NÜRNBERG , UHLE, Christian , HERRE, Jürgen , POPP, Harald , RIDDERBUSCH, Falko
发明人： UHLE, Christian , HERRE, Jürgen , POPP, Harald , RIDDERBUSCH, Falko
IPC分类号： G10L15/26 , H04H60/04 , G10L15/22 , G06F9/44
CPC分类号： H04R3/00 , G10L15/22 , H04H60/04
摘要： An audio mixer for mixing a plurality of audio tracks to a mixture signal comprises a semantic command interpreter (30; 35) for receiving a semantic mixing command and for deriving a plurality of mixing parameters for the plurality of audio tracks from the semantic mixing command; an audio track processor (70; 75) for processing the plurality of audio tracks in accordance with the plurality of mixing parameters; and an audio track combiner (76) for combining the plurality of audio tracks processed by the audio track processor into the mixture signal (MS). A corresponding method comprises: receiving a semantic mixing command; deriving a plurality of mixing parameters for the plurality of audio tracks from the semantic mixing command; processing the plurality of audio tracks in accordance with the plurality of mixing parameters; and combining the plurality of audio tracks resulting from the processing of the plurality of audio tracks to form the mixture signal.
摘要翻译：用于将多个音频轨道混合到混合信号的音频混合器包括语义命令解释器（30; 35），用于接收语义混合命令并从语义混合命令中导出多个音频轨道的多个混合参数; 用于根据所述多个混合参数来处理所述多个音频轨道的音轨处理器（70; 75）以及用于将由音频轨道处理器处理的多个音频轨道组合成混合信号（MS）的音轨组合器（76）。相应的方法包括：接收语义混合命令; 从所述语义混合命令导出所述多个音频轨道的多个混合参数; 根据多个混合参数处理多个音轨; 以及组合由多个音频轨道的处理产生的多个音频轨道以形成混合信号。

6. 发明申请

WO2010125104A1 APPARATUS FOR PROVIDING ONE OR MORE ADJUSTED PARAMETERS FOR A PROVISION OF AN UPMIX SIGNAL REPRESENTATION ON THE BASIS OF A DOWNMIX SIGNAL REPRESENTATION, AUDIO SIGNAL DECODER, AUDIO SIGNAL TRANSCODER, AUDIO SIGNAL ENCODER, AUDIO BITSTREAM, METHOD AND COMPUTER PROGRAM USING AN OBJECT-RELATED PARAMETRIC INFORMATION 审中-公开
标题翻译：提供一个或多个调整参数的装置，用于提供基于下标信号表示，音频信号解码器，音频信号转换器，音频信号编码器，音频比特，方法AN的UPMIX信号表示
公开(公告)号：WO2010125104A1
公开(公告)日：2010-11-04
申请号：PCT/EP2010/055717
申请日：2010-04-28
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , DOLBY INTERNATIONAL AB , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG , HERRE, Jürgen , HOELZER, Andreas , TERENTIEV, Leonid , KASTNER, Thorsten , FALCH, Cornelia , PURNHAGEN, Heiko , ENGDEGARD, Jonas
发明人： HERRE, Jürgen , HOELZER, Andreas , TERENTIEV, Leonid , KASTNER, Thorsten , FALCH, Cornelia , PURNHAGEN, Heiko , ENGDEGARD, Jonas
IPC分类号： G10L19/00 , G10L19/14
CPC分类号： G10L19/008 , G10L19/20
摘要： An apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation and an object-related parametric information comprises a parameter adjuster. The parameter adjuster is configured to receive one or more input parameters and to provide, on the basis thereof, one or more adjusted parameters. The parameter adjuster is configured to provide the one or more adjusted parameters in dependence on the one or more input parameters and the object-related parametric information, such that a distortion of the upmix signal representation caused by the use of non-optimal parameters is reduced at least for input parameters deviating from optimal parameters by more than a predetermined deviation.
摘要翻译：基于降混信号表示和对象相关参数信息提供用于提供上混合信号表示的一个或多个调整参数的装置包括参数调整器。参数调整器被配置为接收一个或多个输入参数并且在其基础上提供一个或多个调整的参数。参数调整器被配置为根据一个或多个输入参数和对象相关参数信息来提供一个或多个经调整的参数，使得由使用非最优参数引起的上混信号表示的失真减少至少对于偏离最佳参数的输入参数大于预定偏差。

7. 发明申请

WO2011104146A1 APPARATUS FOR GENERATING AN ENHANCED DOWNMIX SIGNAL, METHOD FOR GENERATING AN ENHANCED DOWNMIX SIGNAL AND COMPUTER PROGRAM 审中-公开
标题翻译：用于产生增强的下行信号的装置，用于产生增强的下行信号和计算机程序的方法
公开(公告)号：WO2011104146A1
公开(公告)日：2011-09-01
申请号：PCT/EP2011/052246
申请日：2011-02-15
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , KÜCH, Fabian , HERRE, Jürgen , FALLER, Christof , TOURNERY, Christophe
发明人： KÜCH, Fabian , HERRE, Jürgen , FALLER, Christof , TOURNERY, Christophe
IPC分类号： G10L19/00
CPC分类号： H04R5/00 , G10L19/008 , G10L19/265 , G10L21/02
摘要： An apparatus for generating an enhanced downmix signal on the basis of a multi-channel microphone signal comprises a spatial analyzer configured to compute a set of spatial cue parameters comprising a direction information describing a direction-of-arrival of a direct sound, a direct sound power information and a diffuse sound power information on the basis of the multi-channel microphone signal. The apparatus also comprises a filter calculator for calculating enhancement filter parameters in dependence on the direction information describing the direction-of-arrival of the direct sound, in dependence on the direct sound power information and in dependence on the diffuse sound power information. The apparatus also comprises a filter for filtering the microphone signal, or a signal derived therefrom, using the enhancement filter parameters, to obtain the enhanced downmix signal.
摘要翻译：一种用于基于多声道麦克风信号产生增强的下混信号的装置包括：空间分析器，被配置为计算一组空间提示参数，所述空间提示参数包括描述直接声音的到达方向的方向信息，直接声音功率信息和基于多声道麦克风信号的漫射声功率信息。该装置还包括一个滤波器计算器，用于根据直接声功率信息和依赖于扩散声功率信息，根据描述直接声音到达方向的方向信息计算增强滤波器参数。该装置还包括用于过滤麦克风信号的滤波器或使用增强滤波器参数从其导出的信号，以获得增强的降混信号。

8. 发明申请

WO2015010999A1 APPARATUS AND METHOD FOR REALIZING A SAOC DOWNMIX OF 3D AUDIO CONTENT 审中-公开
标题翻译：用于实现3D音频内容的下降的装置和方法
公开(公告)号：WO2015010999A1
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065290
申请日：2014-07-16
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG
发明人： DISCH, Sascha , FUCHS, Harald , HELLMUTH, Oliver , HERRE, Jürgen , MURTAZA, Adrian , RIDDERBUSCH, Falko , TERENTIV, Leon , PAULUS, Jouni
IPC分类号： G10L19/008 , H04S3/00
CPC分类号： H04S3/02 , G10L19/008 , H04S3/00 , H04S3/006 , H04S3/008 , H04S7/305 , H04S2400/01 , H04S2400/03 , H04S2400/11 , H04S2400/13 , H04S2420/03
摘要： An apparatus for generating one or more audio output channels is provided. The apparatus comprises a parameter processor (110) for calculating output channel mixing information and a downmix processor (120) for generating the one or more audio output channels. The downmix processor (120) is configured to receive an audio transport signal comprising one or more audio transport channels, wherein two or more audio object signals are mixed within the audio transport signal, and wherein the number of the one or more audio transport channels is smaller than the number of the two or more audio object signals. The audio transport signal depends on a first mixing rule and on a second mixing rule. The first mixing rule indicates how to mix the two or more audio object signals to obtain a plurality of premixed channels. Moreover, the second mixing rule indicates how to mix the plurality of premixed channels to obtain the one or more audio transport channels of the audio transport signal. The parameter processor (110) is configured to receive information on the second mixing rule, wherein the information on the second mixing rule indicates how to mix the plurality of premixed signals such that the one or more audio transport channels are obtained. Moreover, the parameter processor (110) is configured to calculate the output channel mixing information depending on an audio objects number indicating the number of the two or more audio object signals, depending on a premixed channels number indicating the number of the plurality of premixed channels, and depending on the information on the second mixing rule. The downmix processor (120) is configured to generate the one or more audio output channels from the audio transport signal depending on the output channel mixing information.
摘要翻译：提供一种用于产生一个或多个音频输出通道的装置。该装置包括用于计算输出通道混合信息的参数处理器（110）和用于产生一个或多个音频输出通道的下混处理器（120）。下混合处理器（120）被配置为接收包括一个或多个音频传输信道的音频传输信号，其中在音频传输信号内混合两个或更多个音频对象信号，并且其中一个或多个音频传输信道的数目为小于两个或更多个音频对象信号的数量。音频传输信号取决于第一混合规则和第二混合规则。第一混合规则指示如何混合两个或多个音频对象信号以获得多个预混频道。此外，第二混合规则指示如何混合多个预混频道以获得音频传输信号的一个或多个音频传输信道。参数处理器（110）被配置为接收关于第二混合规则的信息，其中关于第二混合规则的信息指示如何混合多个预混合信号，使得获得一个或多个音频传输信道。此外，参数处理器（110）被配置为根据指示多个预混频道的数量的预设频道号，根据指示两个或多个音频对象信号的数量的音频对象号码来计算输出频道混合信息，并且取决于关于第二混合规则的信息。下混合处理器（120）被配置为根据输出信道混合信息从音频传输信号产生一个或多个音频输出信道。

9. 发明申请

WO2014076030A1 SEGMENT-WISE ADJUSTMENT OF SPATIAL AUDIO SIGNAL TO DIFFERENT PLAYBACK LOUDSPEAKER SETUP 审中-公开
标题翻译：空间音频信号分段调整到不同的播放扬声器设置
公开(公告)号：WO2014076030A1
公开(公告)日：2014-05-22
申请号：PCT/EP2013/073482
申请日：2013-11-11
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG , TECHNISCHE UNIVERSITÄT ILMENAU
发明人： ADAMI, Alexander , HERRE, Jürgen , KUNTZ, Achim , DEL GALDO, Giovanni , KÜCH, Fabian
IPC分类号： H04S5/00
CPC分类号： G10L19/008 , H04S5/00 , H04S7/30 , H04S7/303
摘要： Apparatus (100) for adapting a spatial audio signal (2) for an original loudspeaker setup to a playback loudspeaker setup that differs from the original loudspeaker setup. The apparatus comprises a direct-ambience decomposer (130) that is configured to decomposing channel signals in a segment of the original loudspeaker setup into direct sound (D) and ambience components (A), and to determine a direction of arrival of the direct sound components. A direct sound renderer (150) receives a playback loudspeaker setup information and adjusts the direct sound components (D) using the playback loudspeaker setup information so that a perceived direction of arrival of the direct sound components in the playback loudspeaker setup is substantially identical to the direction of arrival of the direct sound components. A combiner (180) combines adjusted direct sound components and possibly modified ambience components to obtain loudspeaker signals for loudspeakers of the playback loudspeaker setup.
摘要翻译：用于将用于原始扬声器设置的空间音频信号（2）适配到与原始扬声器设置不同的回放扬声器设置的设备（100）。该设备包括直接环境分解器（130），其被配置为将原始扬声器设置的段中的信道信号分解为直接声音（D）和环境分量（A），并且确定直接声音的到达方向组件。直接声音渲染器（150）接收播放扬声器设置信息并使用回放扬声器设置信息调整直接声音分量（D），使得直播声音分量在回放扬声器设置中的感知到达方向基本上与直接声音组件的到达方向。组合器（180）将经调整的直接声音分量和可能的改进的氛围组件组合以获得用于播放扬声器设置的扬声器的扬声器信号。

10. 发明申请

WO2018177608A1 APPARATUS FOR POST-PROCESSING AN AUDIO SIGNAL USING A TRANSIENT LOCATION DETECTION 审中-公开
公开(公告)号：WO2018177608A1
公开(公告)日：2018-10-04
申请号：PCT/EP2018/025076
申请日：2018-03-28
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER UNIVERSITÄT ERLANGEN-NÜRNBERG
发明人： DISCH, Sascha , UHLE, Christian , GAMPP, Patrick , RICHTER, Daniel , HELLMUTH, Oliver , HERRE, Jürgen , PROKEIN, Peter , KARAMPOURNIOTIS, Antonios , HAVENSTEIN, Julia
IPC分类号： G10L19/26 , G10L19/025 , G10L19/02
摘要： Apparatus for post-processing an audio signal, comprising: a converter (100) for converting the audio signal into a time-frequency representation; a transient location estimator (120) for estimating a location in time of a transient portion using the audio signal or the time-frequency representation; and a signal manipulator (140) for manipulating the time-frequency representation, wherein the signal manipulator (140) is configured to reduce or eliminate a pre-echo in the time-frequency representation at a location in time before the transient location or to perform a shaping of the time-frequency representation at the transient location to amplify an attack of the transient portion.

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