Audio processor and method for processing an audio signal using horizontal phase correction
    1.
    发明公开
    Audio processor and method for processing an audio signal using horizontal phase correction 审中-公开
    音频处理器和方法,用于与水平相位校正处理音频信号

    公开(公告)号:EP2963649A1

    公开(公告)日:2016-01-06

    申请号:EP15151478.3

    申请日:2015-01-16

    IPC分类号: G10L21/038

    摘要: It is shown an audio processor 50 for processing an audio signal 55. The audio processor comprises an audio signal phase measure calculator 60 configured for calculating a phase measure 80 of an audio signal for a time frame 75a, a target phase measure determiner 65 for determining a target phase measure 85 for said time frame 75a, and a phase corrector 70 configured for correcting phases 45 of the audio signal 55 for the time frame 75a using the calculated phase measure 80 and the target phase measure 85 to obtain a processed audio signal 90.

    摘要翻译: 它被示出为音频处理器50,用于音频信号55.音频处理器,被配置用于计算一个时间帧75A,用于确定性挖掘目标相位测量确定器65的音频信号的相位度量80的音频信号相位度量计算器60包括的处理 目标相位测量85对所述时间表75A,并且被配置用于使用所述计算出的相位测量80和目标相位测量85以获得处理后的音频信号修正所述音频信号55的相位为45的时间框架75A的相位校正器70 90 ,

    Apparatus and method for deriving a directional information and computer program product
    4.
    发明公开
    Apparatus and method for deriving a directional information and computer program product 审中-公开
    Vorrichtung und Verfahren zur Ableitung einer direktionalen Information and Systeme

    公开(公告)号:EP2448289A1

    公开(公告)日:2012-05-02

    申请号:EP11166916.4

    申请日:2011-05-20

    IPC分类号: H04R3/00

    摘要: An apparatus for deriving a directional information from a plurality of microphone signals or from a plurality of components of a microphone signal, wherein different effective microphone look directions are associated with the microphone signals or components, comprises a combiner configured to obtain a magnitude value from a microphone signal or a component of the microphone signal. The combiner is further configured to combine direction information items describing the effective microphone look directions, such that a direction information item describing a given effective microphone look direction is weighted in dependence on the magnitude value of the microphone signal, or of the component of the microphone signal, associated with the given effective microphone look direction, to derive the directional information.

    摘要翻译: 一种用于从多个麦克风信号或麦克风信号的多个分量导出定向信息的设备,其中不同的有效麦克风观看方向与麦克风信号或组件相关联,包括组合器,其被配置为从 麦克风信号或麦克风信号的分量。 组合器还被配置为组合描述有效麦克风外观方向的方向信息项,使得描述给定有效麦克风外观方向的方向信息项根据麦克风信号的幅度值或麦克风的分量加权 信号,与给定的有效麦克风查看方向相关联,以导出方向信息。

    An apparatus for determining a converted spatial audio signal
    5.
    发明公开
    An apparatus for determining a converted spatial audio signal 有权
    Vorrichtung zur Bestimmung eines konvertierten Raumtonsignals

    公开(公告)号:EP2154677A1

    公开(公告)日:2010-02-17

    申请号:EP09001398.8

    申请日:2009-02-02

    IPC分类号: G10H1/00 G10L19/14 H04S3/02

    摘要: An apparatus (100) for determining a converted spatial audio signal, the converted spatial audio signal having an omnidirectional audio component (W') and at least one directional audio component, from an input spatial audio signal, the input spatial audio signal having an input audio representation (W) and an input direction of arrival (φ). The apparatus (100) comprises an estimator (110) for estimating a wave representation (W) comprising a wave field measure and a wave direction of arrival measure based on the input audio representation (W) and the input direction of arrival (φ). The apparatus (100) further comprises a processor (120) for processing the wave field measure and the wave direction of arrival measure to obtain the omnidirectional audio component (W') and the at least one directional component (X;Y;Z).

    摘要翻译: 一种用于从输入空间音频信号确定转换的空间音频信号的装置(100),所述转换的空间音频信号具有全向音频分量(W')和至少一个方向音频分量,所述输入空间音频信号具有输入 音频表示(W)和输入到达方向(Æ)。 该装置(100)包括估计器(110),用于基于输入的音频表示(W)和输入的到达方向(Æ)来估计包括波场测量值和波到达波动方向的波形表示(W)。 所述装置(100)还包括处理器(120),用于处理所述波场测量和波方向到达量度以获得所述全向音频分量(W')和所述至少一个方向分量(X; Y; ​​Z)。

    Audio processor and method for processing an audio signal using vertical phase correction
    6.
    发明公开
    Audio processor and method for processing an audio signal using vertical phase correction 审中-公开
    音频处理器和方法用于处理具有垂直相位修正的音频信号

    公开(公告)号:EP2963648A1

    公开(公告)日:2016-01-06

    申请号:EP15151476.7

    申请日:2015-01-16

    IPC分类号: G10L21/038

    摘要: It is described an audio processor 50' for processing an audio signal 55. The audio processor 50' comprises a target phase measure determiner 65' for determining a target phase measure 85' for the audio signal 55 in a time frame 75, a phase error calculator 200 for calculating a phase error 105' using a phase of the audio signal 55 in the time frame 75 and the target phase measure 85', and a phase corrector 70' configured for correcting the phase of the audio signal 55 in the time frame using the phase error 105'.

    摘要翻译: 在时间帧75,一个相位误差,描述在音频处理器50“的音频信号55.音频处理器50的处理”包括目标相位测量确定器65,用于将音频信号55“用于确定性挖掘目标相位测量85” 用于计算的相位误差105“使用的时间帧75中的音频信号55的相位和目标相位测量85”,和一个相位校正器70计算器200“配置用于在所述时间帧校正的音频信号55的相位 使用的相位误差105”。

    Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
    7.
    发明公开
    Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal 审中-公开
    解码器和方法,用于编码音频信号的音频信号编码器和解码方法

    公开(公告)号:EP2963646A1

    公开(公告)日:2016-01-06

    申请号:EP15151463.5

    申请日:2015-01-16

    摘要: It is shown a decoder 110" for decoding an audio signal 32. The decoder 110"comprises a first target spectrum generator 65a for generating a target spectrum 85a" for a first time frame of a subband signal of the audio signal 32 using first correction data 295a. A first phase corrector 70a for corrects a phase 45 of the subband signal in the first time frame of the audio signal 32 determined with a phase correction algorithm, wherein the correction is performed by reducing a difference between a measure of the subband signal in the first time frame of the audio signal 32 and the target spectrum 85a". An audio subband signal calculator 350 calculates the audio subband signal 355 for the first time frame using a corrected phase 91a for the time frame and for calculating audio subband signals 355 for a second time frame different from the first time frame using the measure of the subband signal 85a" in the second time frame or using a corrected phase calculation in accordance with a further phase correction algorithm different from the phase correction algorithm.

    摘要翻译: 它被示出“用于音频信号32的解码器110的解码”的解码器110包括第一目标谱生成部65a使用第一校正数据产生目标光谱85A“为音频信号32的子带信号的第一时间帧 295A。第一相位校正器70A为校正子带信号的相位45中的音频信号的所述第一时间帧32确定性开采有相位校正算法,worin校正通过减小子带信号的一个量度之间的差来执行 音频信号32的第一时间帧和目标光谱85A”。 一个音频子带信号计算器350计算所述音频子带信号355用于使用校正的相位91A的时间帧中的第一时间帧以及用于使用所述子带的所述量度来计算音频子带信号355,用于从第一时间帧的第二时间帧 在第二时间帧或使用雅舞蹈校正的相位计算与来自相位校正算法不同一个另外的相位校正算法信号85A”。

    Calculator and method for determining phase correction data for an audio signal
    8.
    发明公开
    Calculator and method for determining phase correction data for an audio signal 审中-公开
    机器和方法用于确定音频信号的相位校正数据

    公开(公告)号:EP2963645A1

    公开(公告)日:2016-01-06

    申请号:EP15151465.0

    申请日:2015-01-16

    IPC分类号: G10L19/02 G10L21/038

    摘要: It is shown a calculator 270 for determining phase correction data 295 for an audio signal 55. The calculator comprises a variation determiner 275 for determining a variation of a phase of the audio signal 55 in a first and a second variation mode, a variation comparator 280 for comparing a first variation 290a determined using the first variation mode and a second variation 290b determined using the second variation mode, and a correction data calculator 285 for calculating the phase correction data 295 in accordance with the first variation mode or the second variation mode based on a result of the comparing.

    摘要翻译: 在音频信号55.计算器确定器275包括变化确定性采矿音频信号55的相位的变化转换成第一和第二变型方式中,变化比较器280中,示出了确定性的采矿相位校正数据295计算器270 用于比较的第一变体290a确定性使用第一变化模式并使用所述第二变化模式开采的第二变形290B确定性的,并且基于与所述第一变化模式或第二变化模式计算雅舞蹈的相位校正数据295的校正数据计算器285开采 在比较的结果。

    An apparatus for determining a spatial output multi-channel audio signal
    9.
    发明公开
    An apparatus for determining a spatial output multi-channel audio signal 有权
    一种用于确定空间输出多声道音频信号的设备

    公开(公告)号:EP2418877A1

    公开(公告)日:2012-02-15

    申请号:EP11187023.4

    申请日:2009-08-11

    IPC分类号: H04S7/00

    摘要: An apparatus (100) for determining a spatial output multi-channel audio signal based on an input audio signal and an input parameter. The apparatus (100) comprises a decomposer (110) for decomposing the input audio signal based on the input parameter to obtain a first decomposed signal and a second decomposed signal different from each other. Furthermore, the apparatus (100) comprises a renderer (110) for rendering the first decomposed signal to obtain a first rendered signal having a first semantic property and for rendering the second decomposed signal to obtain a second rendered signal having a second semantic property being different from the first semantic property. The apparatus (100) comprises a processor (130) for processing the first rendered signal and the second rendered signal to obtain the spatial output multi-channel audio signal.

    摘要翻译: 一种用于基于输入音频信号和输入参数来确定空间输出多声道音频信号的装置(100)。 装置(100)包括分解器(110),用于基于输入参数分解输入音频信号以获得彼此不同的第一分解信号和第二分解信号。 此外,装置(100)包括渲染器(110),用于渲染第一分解信号以获得具有第一语义属性的第一渲染信号并且渲染第二分解信号以获得具有第二语义属性不同的第二渲染信号 来自第一个语义属性。 装置(100)包括用于处理第一渲染信号和第二渲染信号以获得空间输出多声道音频信号的处理器(130)。

    Apparatus for merging spatial audio streams
    10.
    发明公开
    Apparatus for merging spatial audio streams 审中-公开
    Vorrichtung zum Mischen vonRaumtonströmen

    公开(公告)号:EP2154910A1

    公开(公告)日:2010-02-17

    申请号:EP09001397.0

    申请日:2009-02-02

    IPC分类号: H04S3/00

    摘要: 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.

    摘要翻译: 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),所述第一波形表示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。 所述估计器(120)适于估计第二波形表示,所述第二波形表示包括所述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合并波形表示,所述合并波形表示包括合并的波场测量和合并的到达方向度量,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音频表示和合并的到达方向度量的合并音频流。