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公开(公告)号：EP2384028B1
公开(公告)日：2014-11-05
申请号：EP11168513.7
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
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公开(公告)号：EP2384028A2
公开(公告)日：2011-11-02
申请号：EP11168513.7
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
摘要： A device for generating a binaural signal based on a multi-channel signal representing a plurality of channels and intended for reproduction by a speaker configuration having a virtual sound source position associated to each channel, is described. It comprises a correlation reducer for differently processing, and thereby reducing a correlation between, at least one of a left and a right channel of the plurality of channels, a front and a rear channel of the plurality of channels, and a center and a non-center channel of the plurality of channels, in order to obtain an inter-similarity reduced set of channels; a plurality of directional filters, a first mixer for mixing outputs of the directional filters modeling the acoustic transmission to the first ear canal of the listener, and a second mixer for mixing outputs of the directional filters modeling the acoustic transmission to the second ear canal of the listener. According to another aspect, a center level reduction for forming the downmix for a room processor is performed. According to even another aspect, an inter-similarity decreasing set of head-related transfer functions is formed.
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3.发明公开EQUALIZATION FILTER COEFFICIENT DETERMINATOR, APPARATUS, EQUALIZATION FILTER COEFFICIENT PROCESSOR, SYSTEM AND METHODS 审中-公开ENTZERRUNGSFILTERKOEFFIZIENTDETERMINATOR，VORRICHTUNG，ENTZERRUNGSFILTERKOEFFIZIENTPROZESSOR，SYSTEM UND VERFAHREN
公开(公告)号：EP3151426A1
公开(公告)日：2017-04-05
申请号：EP16197441.5
申请日：2014-02-21
摘要： An equalization filter coefficient determinator for determining a current set of equalization filter target coefficients for use by an equalizer is configured to continuously or quasi-continuously fade between a plurality of different equalizer settings in dependence on one or more setting parameters, to obtain the current set of equalization filter target coefficients describing a current equalizer setting. A number of setting parameters is smaller than a number of equalization filter target coefficients of current set of equalization filter target coefficients.
An equalization filter coefficient determinator is configured to linearly combine a plurality of equalization filter target coefficient set components in dependence on one or more setting parameters, to obtain the current set of equalization filter target coefficients.
An equalization filter coefficient determinator is configured to obtain the current set of equalization filter target coefficients in dependence on a two-dimensional position information or a three-dimensional position information obtained using a two-dimensional or three-dimensional user input device.
An apparatus comprises a user interface, an equalization filter coefficient determinator and an equalizer. An equalization filter coefficient processor may provide sets of basis equalization filter target coefficients. A system may use an equalization filter coefficient processor and an equalization filter coefficient determinator.摘要翻译： 用于确定由均衡器使用的当前均衡滤波器目标系数组的均衡滤波器系数确定器被配置为根据一个或多个设置参数连续地或准连续地在多个不同均衡器设置之间衰落，以获得当前集合 描述当前均衡器设置的均衡滤波器目标系数。 多个设置参数小于当前组的均衡滤波器目标系数的均衡滤波器目标系数的数量。 均衡滤波器系数确定器被配置为根据一个或多个设置参数线性组合多个均衡滤波器目标系数组分量，以获得当前的均衡滤波器目标系数集合。 均衡滤波器系数确定器被配置为根据二维位置信息或使用二维或三维用户输入设备获得的三维位置信息来获得当前的均衡滤波器目标系数集合。 一种装置包括用户接口，均衡滤波器系数确定器和均衡器。 均衡滤波器系数处理器可以提供基本均衡滤波器目标系数集合。 系统可以使用均衡滤波器系数处理器和均衡滤波器系数确定器。
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公开(公告)号：EP2384028A3
公开(公告)日：2012-10-24
申请号：EP11168513.7
申请日：2009-07-30
CPC分类号： H04S3/004 , H04S7/30 , H04S2400/01 , H04S2420/01
摘要： A device for generating a binaural signal based on a multi-channel signal representing a plurality of channels and intended for reproduction by a speaker configuration having a virtual sound source position associated to each channel, is described. It comprises a correlation reducer for differently processing, and thereby reducing a correlation between, at least one of a left and a right channel of the plurality of channels, a front and a rear channel of the plurality of channels, and a center and a non-center channel of the plurality of channels, in order to obtain an inter-similarity reduced set of channels; a plurality of directional filters, a first mixer for mixing outputs of the directional filters modeling the acoustic transmission to the first ear canal of the listener, and a second mixer for mixing outputs of the directional filters modeling the acoustic transmission to the second ear canal of the listener. According to another aspect, a center level reduction for forming the downmix for a room processor is performed. According to even another aspect, an inter-similarity decreasing set of head-related transfer functions is formed.
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公开(公告)号：EP3540731A2
公开(公告)日：2019-09-18
申请号：EP19172360.0
申请日：2014-06-16
IPC分类号： G10L19/005 , G10L25/90 , G10L19/107 , G10L19/08
摘要： An apparatus for determining an estimated pitch lag is provided. The apparatus comprises an input interface (110) for receiving a plurality of original pitch lag values, and a pitch lag estimator (120) for estimating the estimated pitch lag. The pitch lag estimator (120) is configured to estimate the estimated pitch lag depending on a plurality of original pitch lag values and depending on a plurality of information values, wherein for each original pitch lag value of the plurality of original pitch lag values, an information value of the plurality of information values is assigned to said original pitch lag value.
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6.发明公开Equalization filter coefficient determinator, apparatus, equalization filter coefficient processor, system and methods 审中-公开Entzerrungsfilterkoeffizientdeterminator，Vorrichtung，Entzerrungsfilterkoeffizientprozessor，System und Verfahren
公开(公告)号：EP2770635A1
公开(公告)日：2014-08-27
申请号：EP13159563.9
申请日：2013-03-15
摘要： An equalization filter coefficient determinator for determining a current set of equalization filter target coefficients for use by an equalizer is configured to continuously or quasi-continuously fade between a plurality of different equalizer settings in dependence on one or more setting parameters, to obtain the current set of equalization filter target coefficients describing a current equalizer setting. A number of setting parameters is smaller than a number of equalization filter target coefficients of current set of equalization filter target coefficients.
An equalization filter coefficient determinator is configured to linearly combine a plurality of equalization filter target coefficient set components in dependence on one or more setting parameters, to obtain the current set of equalization filter target coefficients.
An equalization filter coefficient determinator is configured to obtain the current set of equalization filter target coefficients in dependence on a two-dimensional position information or a three-dimensional position information obtained using a two-dimensional or three-dimensional user input device.
An apparatus comprises a user interface, an equalization filter coefficient determinator and an equalizer. An equalization filter coefficient processor may provide sets of basis equalization filter target coefficients. A system may use an equalization filter coefficient processor and an equalization filter coefficient determinator.摘要翻译： 用于确定由均衡器使用的当前均衡滤波器目标系数组的均衡滤波器系数确定器被配置为根据一个或多个设置参数连续地或准连续地在多个不同均衡器设置之间衰落，以获得当前集合 描述当前均衡器设置的均衡滤波器目标系数。 多个设置参数小于当前组的均衡滤波器目标系数的均衡滤波器目标系数的数量。 均衡滤波器系数确定器被配置为根据一个或多个设置参数线性组合多个均衡滤波器目标系数组分量，以获得当前的均衡滤波器目标系数集合。 均衡滤波器系数确定器被配置为根据二维位置信息或使用二维或三维用户输入设备获得的三维位置信息来获得当前的均衡滤波器目标系数集合。 一种装置包括用户接口，均衡滤波器系数确定器和均衡器。 均衡滤波器系数处理器可以提供基本均衡滤波器目标系数集合。 系统可以使用均衡滤波器系数处理器和均衡滤波器系数确定器。
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7.发明公开Time domain level adjustment for audio signal decoding or encoding 审中-公开Niveaueinstellung der Zeitbereichsebene zur Audiosignaldekodierung oder -kodierung
公开(公告)号：EP2757558A1
公开(公告)日：2014-07-23
申请号：EP13151910.0
申请日：2013-01-18
发明人： Schreiner, Stephan , Borsum, Arne , Neusinger, Matthias , Jander, Manuel , Lohwasser, Markus , Neugebauer, Bernhard
IPC分类号： G10L19/00
CPC分类号： G10L19/005 , G10L19/0017 , G10L19/02 , G10L21/0224 , G10L21/0232 , G10L21/0332 , G10L21/034
摘要： An audio signal decoder (100) for providing a decoded audio signal representation on the basis of an encoded audio signal representation comprises a decoder preprocessing stage (110) for obtaining a plurality of frequency band signals from the encoded audio signal representation, a clipping estimator (120), a level shifter (130), a frequency-to-time-domain converter (140), and a level shift compensator (150). The clipping estimator (120) analyzes the encoded audio signal representation and/or side information relative to a gain of the frequency band signals in order to determine a current level shift factor. The level shifter (130) shifts levels of the frequency band signals according to the level shift factor. The frequency-to-time-domain converter (140) converts the level shifted frequency band signals into a time-domain representation. The level shift compensator (150) acts on the time-domain representation for at least partly compensating a corresponding level shift and for obtaining a substantially compensated time-domain representation.
摘要翻译： 用于基于经编码的音频信号表示提供解码的音频信号表示的音频信号解码器（100）包括用于从编码的音频信号表示获得多个频带信号的解码器预处理级（110），剪辑估计器 120），电平移位器（130），频域 - 时域转换器（140）和电平移位补偿器（150）。 剪辑估计器（120）相对于频带信号的增益分析编码的音频信号表示和/或侧信息，以便确定当前的电平移位因子。 电平移位器（130）根据电平移位因子移位频带信号的电平。 频域 - 时域转换器（140）将电平移位的频带信号转换成时域表示。 电平移位补偿器（150）作用于时域表示，用于至少部分地补偿相应的电平移位并用于获得实质上经补偿的时域表示。
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8.发明公开Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information 审中-公开装置和方法，用于从混合信号和空间信息参数中提取直接与环境信号
公开(公告)号：EP2360681A1
公开(公告)日：2011-08-24
申请号：EP10174230.2
申请日：2010-08-26
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： An apparatus for extracting a direct and/or ambience signal from a downmix signal and spatial parametric information, the downmix signal and the spatial parametric information representing a multi-channel audio signal having more channels than the downmix signal, wherein the spatial parametric information comprises inter-channel relations of the multi-channel audio signal, is described. The apparatus comprises a direct/ambience estimator and a direct/ambience extractor. The direct/ambience estimator is configured for estimating a level information of a direct portion and/or an ambient portion of the multi-channel audio signal based on the spatial parametric information. The direct/ambience extractor is configured for extracting a direct signal portion and/or an ambient signal portion from the downmix signal based on the estimated level information of the direct portion or the ambient portion.
摘要翻译： 用于从缩混信号和空间参数信息，所述降混信号和代表具有比下混信号更多的信道的多声道音频信号的空间参数信息中提取直接和/或环境信号，worin空间参数信息的设备包括：除 多声道音频信号的声道的关系，进行说明。 该装置包括一个直接/氛围估计器和直接/环境提取。 直接/氛围估计器被配置为和/或在基于空间参数信息的多声道音频信号的环境部分估计的直接部分的水平的信息。 直接/环境提取被配置用于和/或在从基于所述直接部分的估计水平信息或周围部分中的降混信号环境信号部分提取的直接信号部分。
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公开(公告)号：EP4156180A1
公开(公告)日：2023-03-29
申请号：EP22206207.7
申请日：2016-06-09
IPC分类号： G10L19/008
摘要： An audio processor for processing an audio signal (100), comprises: an audio signal modifier (2) for modifying the audio signal (100) in response to a user input (200); a loudness controller (6) for determining a loudness compensation gain (C) based on a reference loudness (L ref ) or a reference gain (g i ) and a modified loudness (L mod ) or a modified gain (h i ), where the modified loudness (L mod ) or the modified gain (h i ) depends on the user input; and a loudness manipulator (5) for manipulating a loudness of a signal (101) using the loudness compensation gain (C).
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公开(公告)号：EP3540731A3
公开(公告)日：2019-10-30
申请号：EP19172360.0
申请日：2014-06-16
IPC分类号： G10L19/005 , G10L25/90 , G10L19/107 , G10L19/08
摘要： An apparatus for determining an estimated pitch lag is provided. The apparatus comprises an input interface (110) for receiving a plurality of original pitch lag values, and a pitch lag estimator (120) for estimating the estimated pitch lag. The pitch lag estimator (120) is configured to estimate the estimated pitch lag depending on a plurality of original pitch lag values and depending on a plurality of information values, wherein for each original pitch lag value of the plurality of original pitch lag values, an information value of the plurality of information values is assigned to said original pitch lag value.
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