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    APPARATUS AND METHOD FOR SOURCE SEPARATION USING AN ESTIMATION AND CONTROL OF SOUND QUALITY
    3.
    发明公开
    APPARATUS AND METHOD FOR SOURCE SEPARATION USING AN ESTIMATION AND CONTROL OF SOUND QUALITY 审中-公开

    公开(公告)号：EP3671739A1

    公开(公告)日：2020-06-24

    申请号：EP18215707.3

    申请日：2018-12-21

    申请人： FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. ,  Friedrich-Alexander-Universität Erlangen-Nürnberg

    发明人： UHLE, Christian ,  TORCOLI, Matteo ,  DISCH, Sascha ,  PAULUS, Jouni ,  HERRE, Jürgen ,  HELLMUTH, Oliver ,  FUCHS, Harald

    IPC分类号： G10L21/0308 ,  G10L25/30 ,  G10L25/60

    摘要： An apparatus for generating a separated audio signal from an audio input signal is provided. The audio input signal comprises a target audio signal portion and a residual audio signal portion. The residual audio signal portion indicates a residual between the audio input signal and the target audio signal portion. The apparatus comprises a source separator (110), a determining module (120) and a signal processor (130). The source separator (110) is configured to determine an estimated target signal which depends on the audio input signal, the estimated target signal being an estimate of a signal that only comprises the target audio signal portion. The determining module (120) is configured to determine one or more result values depending on an estimated sound quality of the estimated target signal to obtain one or more parameter values, wherein the one or more parameter values are the one or more result values or depend on the one or more result values. The signal processor (130) is configured to generate the separated audio signal depending on the one or more parameter values and depending on at least one of the estimated target signal and the audio input signal and an estimated residual signal, the estimated residual signal being an estimate of a signal that only comprises the residual audio signal portion.

    APPARATUS AND METHOD FOR PROVIDING INDIVIDUAL SOUND ZONES
    7.
    发明公开
    APPARATUS AND METHOD FOR PROVIDING INDIVIDUAL SOUND ZONES 审中-公开
    提供个人声音区的装置和方法

    公开(公告)号：EP3232688A1

    公开(公告)日：2017-10-18

    申请号：EP16164984.3

    申请日：2016-04-12

    申请人： Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. ,  Friedrich-Alexander-Universität Erlangen-Nürnberg

    发明人： SCHNEIDER, Martin ,  WETZEL, Stefan ,  WALTHER, Andreas ,  UHLE, Christian ,  HELLMUTH, Oliver ,  PROKEIN, Peter ,  HABETS, Emanuel

    IPC分类号： H04S7/00

    CPC分类号： H04S7/30 ,  H04R2499/13 ,  H04S2400/13 ,  H04S2420/11 ,  H04S2420/13

    摘要： An apparatus for generating a plurality of loudspeaker signals from two or more audio source signals is provided. Each of the two or more audio source signals shall be reproduced in one or more of two or more sound zones, and at least one of the two or more audio source signals shall not be reproduced in at least one of the two more sound zones. The apparatus comprises an audio preprocessor (110) configured to modify each of two or more initial audio signals to obtain two or more preprocessed audio signals. Moreover, the apparatus comprises a filter (140) configured to generate the plurality of loudspeaker signals depending on the two or more preprocessed audio signals. The audio preprocessor (110) is configured to use the two or more audio source signals as the two or more initial audio signals, or wherein the audio preprocessor (110) is configured to generate for each audio source signal of the two or more audio source signals an initial audio signal of the two more initial audio signals by modifying said audio source signal. Moreover, the audio preprocessor (110) is configured to modify each initial audio signal of the two or more initial audio signals depending on a signal power or a loudness of another initial audio signal of the two or more initial audio signals. The filter (140) is configured to generate the plurality of loudspeaker signals depending on in which of the two or more sound zones the two or more audio source signals shall be reproduced and depending on in which of the two or more sound zones the two or more audio source signals shall not be reproduced.

    摘要翻译： 提供了一种用于从两个或更多个音频源信号生成多个扬声器信号的设备。 两个或更多音频源信号中的每一个应在两个或更多声音区中的一个或更多个中重现，并且两个或更多个音频源信号中的至少一个不得在两个更多声音区中的至少一个中重现。 该设备包括被配置为修改两个或更多个初始音频信号中的每一个以获得两个或更多个预处理音频信号的音频预处理器（110）。 此外，该装置包括滤波器（140），其被配置为根据两个或更多个预处理的音频信号来生成多个扬声器信号。 音频预处理器（110）被配置为使用两个或更多个音频源信号作为两个或更多个初始音频信号，或者其中音频预处理器（110）被配置为针对两个或更多音频源的每个音频源信号 通过修改所述音频源信号来发信号通知两个更多初始音频信号中的初始音频信号。 此外，音频预处理器（110）被配置为根据两个或更多个初始音频信号中的另一个初始音频信号的信号功率或响度来修改两个或更多个初始音频信号中的每个初始音频信号。 滤波器（140）被配置为根据两个或更多个音频源信号将被再现的两个或更多个声音区域中的哪个区域以及根据两个或更多个声音区域中的哪个声音区域来再现两个或更多个声音区域来生成多个扬声器信号 不得复制更多的音频源信号。