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1. 发明申请

WO2010066271A1 APPARATUS FOR GENERATING A MULTI-CHANNEL AUDIO SIGNAL 审中-公开
标题翻译：用于产生多通道音频信号的装置
公开(公告)号：WO2010066271A1
公开(公告)日：2010-06-17
申请号：PCT/EP2008/010553
申请日：2008-12-11
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER AMGEWAMDTEN FORSCHUNG E.V. , WALTHER, Andreas , HELLMUTH, Oliver , RIDDERBUSCH, Falko , STÖCKLMEIER, Christian
发明人： WALTHER, Andreas , HELLMUTH, Oliver , RIDDERBUSCH, Falko , STÖCKLMEIER, Christian
IPC分类号： H04S3/00
CPC分类号： H04S3/002 , H04S2400/11
摘要： An apparatus (100) for generating a multi-channel audio signal (142) based on an input audio signal (102) comprises a main signal upmixing means (110), a section selector (120), a section signal upmixing means (110) and a combiner (140). The main signal upmixing means (110) is configured to provide a main multi-channel audio signal (112) based on the input audio signal (102). The section selector (120) is configured to select or not select a section of the input audio signal (102) based on an analysis of the input audio signal (102). The selected section of the input audio signal (102), a processed selected section of the input audio signal (102) or a reference signal associated with the selected section of the input audio signal (102) is provided as section signal (122). The section signal upmixing means (130) is configured to provide a section upmix signal (132) based on the section signal (122), and the combiner (140) is configured to overlay the main multi-channel audio signal (112) and the section upmix signal (132) to obtain the multi-channel audio signal (142).
摘要翻译：一种用于基于输入音频信号（102）产生多声道音频信号（142）的装置（100），包括主信号上混合装置（110），区段选择器（120），区段信号上混合装置（110）和组合器（140）。主信号上混合装置（110）被配置为基于输入音频信号（102）提供主多声道音频信号（112）。区段选择器（120）被配置为基于对输入音频信号（102）的分析来选择或不选择输入音频信号（102）的一部分。提供输入音频信号（102）的选定部分，输入音频信号（102）的已处理选定部分或与输入音频信号（102）的所选部分相关联的参考信号作为部分信号（122）。分段信号上混合装置（130）被配置为基于分段信号（122）提供分段上混信号（132），并且组合器（140）被配置为覆盖主多声道音频信号（112）和部分上混合信号（132）以获得多声道音频信号（142）。

2. 发明申请

WO2010149700A1 AUDIO SIGNAL DECODER, METHOD FOR DECODING AN AUDIO SIGNAL AND COMPUTER PROGRAM USING CASCADED AUDIO OBJECT PROCESSING STAGES 审中-公开
标题翻译：音频信号解码器，使用CASCADED音频对象处理阶段解码音频信号的方法和计算机程序
公开(公告)号：WO2010149700A1
公开(公告)日：2010-12-29
申请号：PCT/EP2010/058906
申请日：2010-06-23
申请人： FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , HELLMUTH, Oliver , FALCH, Cornelia , HERRE, Jürgen , HILPERT, Johannes , RIDDERBUSCH, Falko , TERENTIEV, Leonid
发明人： HELLMUTH, Oliver , FALCH, Cornelia , HERRE, Jürgen , HILPERT, Johannes , RIDDERBUSCH, Falko , TERENTIEV, Leonid
IPC分类号： G10L19/00 , G10L19/14 , H04S7/00
CPC分类号： G10L19/20 , G10H1/361 , G10H2210/301 , G10L19/008 , H04S7/30 , H04S2400/11 , H04S2420/07
摘要： An audio signal decoder for providing an upmix signal representation in dependence on a downmix signal representation and an object-related parametric information comprises an object separator configured to decompose the downmix signal representation, to provide a first audio information describing a first set of one or more audio objects of a first audio object type and a second audio information describing a second set of one or more audio objects of a second audio object type, in dependence on the downmix signal representation and using at least a part of the object-related parametric information. The audio signal decoder also comprises an audio signal processor configured to receive the second audio information and to process the second audio information in dependence on the object-related parametric information, to obtain a processed version of the second audio information. The audio signal decoder also comprises an audio signal combiner configured to combine the first audio information with the processed version of the second audio information, to obtain the upmix signal representation.
摘要翻译：音频信号解码器，用于根据降混信号表示和对象相关的参数信息提供上混合信号表示，包括被配置成分解下混合信号表示的对象分离器，以提供描述第一组一个或多个第一音频对象类型的音频对象和描述第二音频对象类型的一个或多个音频对象的第二组的第二音频信息，其依赖于下混合信号表示，并且使用至少一部分与对象相关的参数信息。音频信号解码器还包括音频信号处理器，该音频信号处理器被配置为接收第二音频信息并根据对象相关参数信息处理第二音频信息，以获得第二音频信息的处理版本。音频信号解码器还包括被配置为组合第一音频信息和第二音频信息的处理版本的音频信号组合器，以获得上混合信号表示。

3. 发明申请

WO2010015371A1 APPARATUS AND METHOD FOR PROCESSING AN AUDIO SIGNAL FOR SPEECH ENHANCEMENT USING A FEATURE EXTRACTION 审中-公开
标题翻译：使用特征提取处理用于语音增强的音频信号的装置和方法
公开(公告)号：WO2010015371A1
公开(公告)日：2010-02-11
申请号：PCT/EP2009/005607
申请日：2009-08-03
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E . V . , UHLE, Christian , HELLMUTH, Oliver , GRILL, Bernhard , RIDDERBUSCH, Falko
发明人： UHLE, Christian , HELLMUTH, Oliver , GRILL, Bernhard , RIDDERBUSCH, Falko
IPC分类号： G10L21/02
CPC分类号： G10L21/0208 , G10L21/0216 , G10L25/30
摘要： An apparatus for processing an audio signal to obtain control information for a speech enhancement filter (12) comprises a feature extractor (14) for extracting at least one feature per frequency band of a plurality of frequency bands of a short-time spectral representation of a plurality of short-time spectral representations, where the at least one feature represents a spectral shape of the short-time spectral representation in the frequency band. The apparatus additionally comprises a feature combiner (15) for combining the at least one feature for each frequency band using combination parameters to obtain the control information for the speech enhancement filter for a time portion of the audio signal. The feature combiner can use a neural network regression method, which is based on combination parameters determined in a training phase for the neural network.
摘要翻译：一种用于处理音频信号以获得用于语音增强滤波器（12）的控制信息的装置包括：特征提取器（14），用于提取每个频带的至少一个特征，该频带具有短时频谱表示的多个频带多个短时间频谱表示，其中至少一个特征表示频带中短时频谱表示的频谱形状。所述装置还包括特征组合器（15），用于使用组合参数来组合每个频带的至少一个特征，以获得用于音频信号的时间部分的语音增强滤波器的控制信息。特征组合器可以使用神经网络回归方法，其基于在神经网络的训练阶段中确定的组合参数。

4. 发明申请

WO2013004697A1 METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL SUBTRACTOR 审中-公开
标题翻译：使用采用频谱分析器的频域处理来分解立体声记录的方法和装置
公开(公告)号：WO2013004697A1
公开(公告)日：2013-01-10
申请号：PCT/EP2012/062930
申请日：2012-07-03
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , UHLE, Christian , FINAUER, Stefan , GAMPP, Patrick , HELLMUTH, Oliver , PROKEIN, Peter , STÖCKLMEIER, Christian
发明人： UHLE, Christian , FINAUER, Stefan , GAMPP, Patrick , HELLMUTH, Oliver , PROKEIN, Peter , STÖCKLMEIER, Christian
IPC分类号： H04S3/00
CPC分类号： H04S1/00 , H04S1/002 , H04S3/002
摘要： An apparatus for generating a stereo side signal having a first side channel and a second side channel from a stereo input signal having a first input channel and a second input channel is provided. The apparatus comprises a modification information generator (110) for generating modification information based on mid-side information. Furthermore, the apparatus comprises a signal manipulator (120) being adapted to manipulate the first input channel based on the modification information to obtain the first side channel and being adapted to manipulate the second input channel based on the modification information to obtain the second side channel. The modification information generator (110) comprises a spectral subtractor (115) for generating the modification information by generating a difference value indicating a difference between a mono mid signal or a mono side signal of the stereo input signal and the first or the second input channel.
摘要翻译：提供一种用于从具有第一输入通道和第二输入通道的立体声输入信号产生具有第一侧通道和第二侧通道的立体声侧信号的装置。该装置包括用于基于中间信息生成修改信息的修改信息生成器（110）。此外，该装置包括信号操纵器（120），其适于基于修改信息来操纵第一输入通道以获得第一侧通道并且适于基于修改信息来操纵第二输入通道以获得第二侧通道。修改信息生成器（110）包括频谱减法器（115），用于通过产生指示立体声输入信号的单声道中信号或单声道信号与第一或第二输入声道之间的差异的差值来产生修改信息。

5. 发明申请

WO2013013943A1 VEHICLE WITH SIDE WALL SPEAKERS 审中-公开
标题翻译：车厢与侧壁扬声器
公开(公告)号：WO2013013943A1
公开(公告)日：2013-01-31
申请号：PCT/EP2012/063002
申请日：2012-07-04
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , SILZLE, Andreas , HELLMUTH, Oliver , HEISE, Ulrik , FINAUER, Stefan , STÖCKLMEIER, Christian
发明人： SILZLE, Andreas , HELLMUTH, Oliver , HEISE, Ulrik , FINAUER, Stefan , STÖCKLMEIER, Christian
IPC分类号： H04R3/12 , H04R5/02 , B60R11/02
CPC分类号： H04R1/028 , H04R1/403 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2201/021 , H04R2201/025 , H04R2201/401 , H04R2205/024 , H04R2499/13
摘要： A vehicle comprises a side wall, a ceiling and a speaker arrangement comprising at least one speaker. The speaker arrangement is positioned in or at the side wall and is configured such that a main sound emission direction of the speaker arrangement is directed to the ceiling.
摘要翻译：车辆包括侧壁，天花板和包括至少一个扬声器的扬声器装置。扬声器布置定位在侧壁中或者在侧壁处，并且被配置为使扬声器装置的主声音发射方向指向天花板。

6. 发明申请

WO2012156232A1 APPARATUS AND METHOD AND COMPUTER PROGRAM FOR GENERATING A STEREO OUTPUT SIGNAL FOR PROVIDING ADDITIONAL OUTPUT CHANNELS 审中-公开
标题翻译：产生附加输出通道的立体声输出信号的装置和方法以及计算机程序
公开(公告)号：WO2012156232A1
公开(公告)日：2012-11-22
申请号：PCT/EP2012/058435
申请日：2012-05-08
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , STÖCKLMEIER, Christian , FINAUER, Stefan , UHLE, Christian , PROKEIN, Peter , HELLMUTH, Oliver , HEISE, Ulrik
发明人： STÖCKLMEIER, Christian , FINAUER, Stefan , UHLE, Christian , PROKEIN, Peter , HELLMUTH, Oliver , HEISE, Ulrik
IPC分类号： H04S1/00 , H04S5/00
CPC分类号： H04R5/00 , H04S1/007 , H04S5/005 , H04S2400/05
摘要： An apparatus for generating a stereo output signal comprises a manipulation information generator (110; 210; 340; 440; 640) being adapted to generate manipulation information depending on a first signal indication value of a first input channel and on a second signal indication value of a second input channel, and a manipulator (120; 220; 360, 370; 460, 470; 660, 670) for manipulating a combination signal based on the manipulation information to obtain a first manipulated signal as a first output channel and a second manipulated signal as a second output channel. The combination signal is a signal derived by combining the first input channel and the second input channel. Furthermore, the manipulator (120; 220; 360, 370; 460, 470; 660, 670) is configured for manipulating the combination signal in a first manner, when the first signal indication value is in a first relation to the second signal indication value, or in a different second manner, when the first signal indication value is in a different second relation to the second signal indication value.
摘要翻译：一种用于产生立体声输出信号的装置包括：操纵信息发生器（110; 210; 340; 440; 640），适于根据第一输入通道的第一信号指示值和第二信号指示值第二输入通道和操纵器（120; 220; 360,370; 460,470,660,670），用于基于所述操作信息来操纵组合信号以获得作为第一输出通道的第一操纵信号和第二操纵信号作为第二输出通道。组合信号是通过组合第一输入通道和第二输入通道而得到的信号。此外，当第一信号指示值与第二信号指示值处于第一关系时，操纵器（120; 220; 360,370; 460,470; 660,670）被配置为以第一方式操纵组合信号或者以不同的第二方式，当第一信号指示值与第二信号指示值处于不同的第二关系时。

7. 发明申请

WO2013004698A1 METHOD AND APPARATUS FOR DECOMPOSING A STEREO RECORDING USING FREQUENCY-DOMAIN PROCESSING EMPLOYING A SPECTRAL WEIGHTS GENERATOR 审中-公开
标题翻译：使用采用频谱重制发生器的频域处理来分解立体声记录方法和装置
公开(公告)号：WO2013004698A1
公开(公告)日：2013-01-10
申请号：PCT/EP2012/062932
申请日：2012-07-03
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , UHLE, Christian , FINAUER, Stefan , GAMPP, Patrick , HELLMUTH, Oliver , PROKEIN, Peter , STÖCKLMEIER, Christian
发明人： UHLE, Christian , FINAUER, Stefan , GAMPP, Patrick , HELLMUTH, Oliver , PROKEIN, Peter , STÖCKLMEIER, Christian
IPC分类号： H04S3/00
CPC分类号： H04S1/00 , H04S1/002 , H04S3/002
摘要： An apparatus for generating a stereo side signal having a first side channel and a second side channel from a stereo input signal having a first input channel and a second input channel is provided. The apparatus comprises a modification information generator (110) for generating modification information based on mid-side information. Furthermore, the apparatus comprises a signal manipulator (120) being adapted to manipulate the first input channel based on the modification information to obtain the first side channel and being adapted to manipulate the second input channel based on the modification information to obtain the second side channel. The modification information generator (110) comprises a spectral weights generator ( 116) for generating the modification information by generating a first spectral weighting factor based on a mono mid signal and on a mono side signal of the stereo input signal.
摘要翻译：提供一种用于从具有第一输入通道和第二输入通道的立体声输入信号产生具有第一侧通道和第二侧通道的立体声侧信号的装置。该装置包括用于基于中间信息生成修改信息的修改信息生成器（110）。此外，该装置包括信号操纵器（120），其适于基于修改信息来操纵第一输入通道以获得第一侧通道并且适于基于修改信息来操纵第二输入通道以获得第二侧通道。修改信息生成器（110）包括用于通过基于单声道中间信号和立体声输入信号的单声道信号生成第一频谱加权因子来生成修改信息的频谱权重发生器（116）。

8. 发明申请

WO2008049587A8 APPARATUS AND METHOD FOR GENERATING AN AMBIENT SIGNAL FROM AN AUDIO SIGNAL, APPARATUS AND METHOD FOR DERIVING A MULTI-CHANNEL AUDIO SIGNAL FROM AN AUDIO SIGNAL AND COMPUTER PROGRAM 审中-公开
公开(公告)号：WO2008049587A8
公开(公告)日：2008-05-02
申请号：PCT/EP2007/009197
申请日：2007-10-23
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , UHLE, Christian , HERRE, Jürgen , WALTHER, Andreas , HELLMUTH, Oliver , JANSSEN, Christiaan
发明人： UHLE, Christian , HERRE, Jürgen , WALTHER, Andreas , HELLMUTH, Oliver , JANSSEN, Christiaan
IPC分类号： G10L19/00 , G10L19/02 , H04S5/00 , H04S7/00
摘要： An apparatus for generating an ambient signal from an audio signal comprises means for lossy compression of a representation of the audio signal so as to obtain a compressed representation of the audio signal describing a compressed audio signal. The apparatus for generating the ambient signal further comprises means for calculating a difference between the compressed representation of the audio signal and the representation of the audio signal so as to obtain a discrimination representation. The apparatus further comprises means for providing the ambient signal using the discrimination representation. An apparatus for deriving a multi-channel audio signal from an audio signal comprises an apparatus for generating an ambient signal from an audio signal, an apparatus for providing the audio signal as a front-loudspeaker signal and an apparatus for providing the ambient signal as a back-loudspeaker signal.

9. 发明申请

WO2012152785A1 APPARATUS AND METHOD FOR GENERATING AN OUTPUT SIGNAL EMPLOYING A DECOMPOSER 审中-公开
标题翻译：用于产生使用分解器的输出信号的装置和方法
公开(公告)号：WO2012152785A1
公开(公告)日：2012-11-15
申请号：PCT/EP2012/058433
申请日：2012-05-08
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E. V. , WALTHER, Andreas , SILZLE, Andreas , HELLMUTH, Oliver , GRILL, Bernhard , POPP, Harald
发明人： WALTHER, Andreas , SILZLE, Andreas , HELLMUTH, Oliver , GRILL, Bernhard , POPP, Harald
IPC分类号： H04S3/00
CPC分类号： H04S3/006 , H04S3/008
摘要： An apparatus for generating an output signal having at least two output channels from an input signal having at least two input channels. The apparatus comprises an ambient/direct decomposer (110; 210; 310; 410; 610), an ambient modification unit (120; 220; 320; 420) and a combination unit (130; 230; 330; 430). The ambient/direct decomposer (110; 210; 310; 410; 610) is adapted to decompose at least two input channels of the input signal such that each one of the at least two input channels is decomposed into a signal of a first signal group and into a signal of a second signal group. The ambient modification unit (120; 220; 320; 420) is adapted to modify a signal of the ambient signal group or a signal derived from a signal of the ambient signal group to obtain a modified signal as a first output channel. The combination unit (130; 230; 330; 430) is adapted to combine a signal of the ambient signal group or a signal derived from a signal of the ambient signal group and a signal of the direct signal group or a signal derived from a signal of the direct signal group as a second output channel.
摘要翻译：一种用于从具有至少两个输入通道的输入信号产生具有至少两个输出通道的输出信号的装置。该设备包括环境/直接分解器（110; 210; 310; 410; 610），环境修改单元（120; 220; 320; 420）和组合单元（130; 230; 330; 430）。环境/直接分解器（110; 210; 310; 410; 610）适于分解输入信号的至少两个输入通道，使得至少两个输入通道中的每一个分解成第一信号组的信号并进入第二信号组的信号。环境修改单元（120; 220; 320; 420）适于修改环境信号组的信号或从环境信号组的信号导出的信号，以获得修改的信号作为第一输出通道。组合单元（130; 230; 330; 430）适于组合环境信号组的信号或从环境信号组的信号导出的信号和直接信号组的信号或从信号导出的信号作为第二输出通道的直接信号组。

10. 发明申请

WO2007118533A1 VORRICHTUNG UND VERFAHREN ZUM ERZEUGEN EINES UMGEBUNGSSIGNALS 审中-公开
标题翻译：装置和方法用于产生信号环境
公开(公告)号：WO2007118533A1
公开(公告)日：2007-10-25
申请号：PCT/EP2007/000791
申请日：2007-01-30
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , HERRE, Jürgen , HELLMUTH, Oliver , GEYERSBERGER, Stephan , WALTHER, Andreas , JANSSEN, Christiaan
发明人： HERRE, Jürgen , HELLMUTH, Oliver , GEYERSBERGER, Stephan , WALTHER, Andreas , JANSSEN, Christiaan
IPC分类号： G10L19/02 , H04S5/00
CPC分类号： H04S5/005 , G10L19/008 , H04R5/04
摘要： Zum Erzeugen eines Umgebungssignals, das zur Ausstrahlung über Lautsprecher geeignet ist, für die kein eigenes Lautsprechersignal existiert, also beispielsweise für Surround-Kanäle, ist ein Transienten-Detektor (11) vorgesehen, um einen Transientenzeitraum zu detektieren. Ein Synthesesignalgenerator (12) erzeugt ein Synthesesignal, das einerseits die Transientenbedingung und andererseits die Kontinuitätsbedingung für das Synthesesignal erfüllt. Ein Signalsubstituierer (14) ersetzt dann einen Abschnitt des Untersuchungssignals durch das Synthesesignal, um ein Umgebungssignal für die Surround-Kanäle zu erhalten.
摘要翻译：用于产生环境信号，其适合于在扬声器广播针对不存在自己的扬声器信号，因此，例如，环绕声道，瞬态检测器（11）设置成检测Transientenzeitraum。内合成信号发生器（12）生成，一方面和另一方面Transientenbedingung满足用于合成信号的连续性条件的合成信号。甲Signalsubstituierer（14）取代了探测信号的一部分由所述合成信号以获得用于环绕声道环绕信号。

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