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    • 9. 发明申请
    • APPARATUS FOR MERGING SPATIAL AUDIO STREAMS
    • 装备空间音频流的装置
    • WO2010017966A1
    • 2010-02-18
    • PCT/EP2009/005827
    • 2009-08-11
    • FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E . V .DEL GALDO, GiovanniKUECH, FabianKALLINGER, MarkusPULKKI, VilleLAITINEN, Mikko-VilleSCHULTZ-AMLING, Richard
    • DEL GALDO, GiovanniKUECH, FabianKALLINGER, MarkusPULKKI, VilleLAITINEN, Mikko-VilleSCHULTZ-AMLING, Richard
    • H04S3/00
    • H04S3/008G10L19/008H04S2420/03H04S2420/11
    • An apparatus (100) for merging a first spatial audio stream with a second spatial audio stream to obtain a merged audio stream comprising an estimator (120) for estimating a first wave representation comprising a first wave direction measure and a first wave field measure for the first spatial audio stream, the first spatial audio stream having a first audio representation and a first direction of arrival. The estimator (120) being adapted for estimating a second wave representation comprising a second wave direction measure and a second wave field measure for the second spatial audio stream, the second spatial audio stream having a second audio representation and a second direction of arrival. The apparatus (100) further comprising a processor (130) for processing the first wave representation and the second wave representation to obtain a merged wave representation comprising a merged wave field measure and a merged direction of arrival measure, and for processing the first audio representation and the second audio representation to obtain a merged audio representation, and for providing the merged audio stream comprising the merged audio representation and the merged direction of arrival measure.
    • 一种用于将第一空间音频流与第二空间音频流合并以获得合并的音频流的装置(100),其包括用于估计第一波形表示的估计器(120),所述估计器包括第一波方向测量和第一波场测量 第一空间音频流,第一空间音频流具有第一音频表示和第一到达方向。 估计器(120)适于估计第二波形表示,其包括用于第二空间音频流的第二波方向测量和第二波场测量,所述第二空间音频流具有第二音频表示和第二到达方向。 所述设备(100)还包括处理器(130),用于处理所述第一波形表示和所述第二波形表示以获得包括合并波场测量和合并的到达方向测量的合并波形表示,并且用于处理所述第一音频表示 以及第二音频表示以获得合并的音频表示,并且用于提供包括合并的音频表示和合并的到达方向度量的合并音频流。
    • 10. 发明申请
    • APPARATUS AND METHOD FOR SPATIALLY SELECTIVE SOUND ACQUISITION BY ACOUSTIC TRIANGULATION
    • 通过声学三角形进行空间选择性声音采集的装置和方法
    • WO2012072787A1
    • 2012-06-07
    • PCT/EP2011/071600
    • 2011-12-02
    • FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERGHERRE, JürgenKÜCH, FabianKALLINGER, MarkusDEL GALDO, GiovanniGRILL, Bernhard
    • HERRE, JürgenKÜCH, FabianKALLINGER, MarkusDEL GALDO, GiovanniGRILL, Bernhard
    • H04R1/40H04R3/00
    • H04R1/40G10L2021/02166H04R1/406H04R3/005H04R2201/401H04R2430/25
    • 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.
    • 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。