专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2015010961A2 APPARATUS AND METHOD FOR MAPPING FIRST AND SECOND INPUT CHANNELS TO AT LEAST ONE OUTPUT CHANNEL 审中-公开
标题翻译：将第一和第二输入通道映射到至少一个输出通道的装置和方法
公开(公告)号：WO2015010961A2
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065153
申请日：2014-07-15
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERG
发明人： HERRE, Jürgen , KÜCH, Fabian , KRATSCHMER, Michael , KUNTZ, Achim , FALLER, Christoph
IPC分类号： H04S7/00
CPC分类号： H04S7/303 , G10L19/008 , H04R5/02 , H04S3/002 , H04S3/02 , H04S7/30 , H04S7/302 , H04S7/305 , H04S7/308 , H04S2400/01 , H04S2400/03 , H04S2420/03
摘要： An apparatus for mapping a first input channel and a second input channel of an input channel configuration to at least one output channel of an output channel configuration, wherein each input channel and each output channel has a direction in which an associated loudspeaker is located relative to a central listener position, wherein the apparatus is configured to map the first input channel to a first output channel of the output channel configuration. The apparatus is further configured to at least one of a) map the second input channel to the first output channel, comprising processing the second input channel by applying at least one of an equalization filter and a decorrelation filter to the second input channel, and b) despite of the fact that an angle deviation between a direction of the second input channel and a direction of the first output channel is less than an angle deviation between a direction of the second input channel and the second output channel and/or is less than an angle deviation between the direction of the second input channel and the direction of the third output channel, map the second input channel to the second and third output channels by panning between the second and third output channels.
摘要翻译：一种用于将输入通道配置的第一输入通道和第二输入通道映射到输出通道配置的至少一个输出通道的装置，其中每个输入通道和每个输出通道具有相关联的扬声器相对于中央收听者位置，其中所述装置被配置为将所述第一输入信道映射到所述输出信道配置的第一输出信道。所述装置还被配置为a）将所述第二输入信道映射到所述第一输出信道中的至少一个，包括通过将均衡滤波器和解相关滤波器中的至少一个应用于所述第二输入信道来处理所述第二输入信道，以及b ），尽管事实是第二输入通道的方向和第一输出通道的方向之间的角度偏差小于第二输入通道的方向与第二输出通道之间的角度偏差和/或小于第二输入通道的方向与第三输出通道的方向之间的角度偏差，通过在第二和第三输出通道之间进行平移将第二输入通道映射到第二和第三输出通道。

2. 发明申请

WO2015010962A2 METHOD AND SIGNAL PROCESSING UNIT FOR MAPPING A PLURALITY OF INPUT CHANNELS OF AN INPUT CHANNEL CONFIGURATION TO OUTPUT CHANNELS OF AN OUTPUT CHANNEL CONFIGURATION 审中-公开
标题翻译：用于将输入通道配置的输入通道的大量输入到输出通道配置的输出通道的方法和信号处理单元
公开(公告)号：WO2015010962A2
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065159
申请日：2014-07-15
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERG
发明人： HERRE, Jürgen , KÜCH, Fabian , KRATSCHMER, Michael , KUNTZ, Achim , FALLER, Christoph
IPC分类号： H04S7/00
CPC分类号： H04S7/303 , G10L19/008 , H04R5/02 , H04S3/002 , H04S3/02 , H04S7/30 , H04S7/302 , H04S7/305 , H04S7/308 , H04S2400/01 , H04S2400/03 , H04S2420/03
摘要： A method for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration comprises providing a set of rules associated with each input channel of the plurality of input channels, wherein the rules define different mappings between the associated input channel and a set of output channels. For each input channel of the plurality of input channels, a rule associated with the input channel is accessed, determination is made whether the set of output channels defined in the accessed rule is present in the output channel configuration, and the accessed rule is selected if the set of output channels defined in the accessed rule is present in the output channel configuration. The input channels are mapped to the output channels according to the selected rule.
摘要翻译：用于将输入通道配置的多个输入通道映射到输出通道配置的输出通道的方法包括提供与多个输入通道中的每个输入通道相关联的一组规则，其中所述规则定义相关输入之间的不同映射通道和一组输出通道。对于多个输入通道的每个输入通道，访问与输入通道相关联的规则，确定在访问规则中定义的输出通道的集合是否存在于输出通道配置中，并且选择访问规则在访问规则中定义的输出通道集合存在于输出通道配置中。输入通道根据所选规则映射到输出通道。

3. 发明申请

WO2015010998A1 CONCEPT FOR AUDIO ENCODING AND DECODING FOR AUDIO CHANNELS AND AUDIO OBJECTS 审中-公开
标题翻译：音频编码和解码音频通道和音频对象的概念
公开(公告)号：WO2015010998A1
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065289
申请日：2014-07-16
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERG
发明人： ADAMI, Alexander , BORSS, Christian , DICK, Sascha , ERTEL, Christian , FÜG, Simone , HERRE, Jürgen , HILPERT, Johannes , HÖLZER, Andreas , KRATSCHMER, Michael , KÜCH, Fabian , KUNTZ, Achim , MURTAZA, Adrian , PLOGSTIES, Jan , SILZLE, Andreas , STENZEL, Hanne
IPC分类号： G10L19/008
CPC分类号： G10L19/20 , G10L19/008 , G10L19/028 , G10L19/18 , G10L19/22 , H04S3/008 , H04S2400/03 , H04S2400/11
摘要： Audio encoder for encoding audio input data (101) to obtain audio output data (501) comprises an input interface (100) for receiving a plurality of audio channels, a plurality of audio objects and metadata related to one or more of the plurality of audio objects; a mixer (200) for mixing the plurality of objects and the plurality of channels to obtain a plurality of pre-mixed channels, each pre-mixed channel comprising audio data of a channel and audio data of at least one object; a core encoder (300) for core encoding core encoder input data; and a metadata compressor (400) for compressing the metadata related to the one or more of the plurality of audio objects, wherein the audio encoder is configured to operate in at least one mode of the group of two modes comprising a first mode, in which the core encoder is configured to encode the plurality of audio channels and the plurality of audio objects received by the input interface as core encoder input data, and a second mode, in which the core encoder (300) is configured for receiving, as the core encoder input data, the plurality of pre-mixed channels generated by the mixer (200).
摘要翻译：用于编码音频输入数据（101）以获得音频输出数据（501）的音频编码器包括用于接收多个音频频道的输入接口（100），与多个音频中的一个或多个相关的多个音频对象和元数据对象; 混合器（200），用于混合多个对象和多个通道以获得多个预混合通道，每个预混合通道包括通道的音频数据和至少一个对象的音频数据; 核心编码器（300），用于核心编码核心编码器输入数据; 以及用于压缩与所述多个音频对象中的一个或多个音频对象相关的元数据的元数据压缩器（400），其中，所述音频编码器被配置为在包括第一模式的两种模式的组的至少一种模式中操作，其中核心编码器被配置为将由输入接口接收的多个音频通道和多个音频对象编码为核心编码器输入数据，以及第二模式，其中核心编码器（300）被配置为接收作为核心编码器输入数据，由混合器（200）产生的多个预混频道。

4. 发明申请

WO2022189497A1 APPARATUS AND METHOD FOR CLEAN DIALOGUE LOUDNESS ESTIMATES BASED ON DEEP NEURAL NETWORKS 审中-公开
公开(公告)号：WO2022189497A1
公开(公告)日：2022-09-15
申请号：PCT/EP2022/056020
申请日：2022-03-09
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： UHLE, Christian , KRATSCHMER, Michael , TRAVAGLINI, Alessandro , NEUGEBAUER, Bernhard
IPC分类号： G10L25/48 , G10L25/30 , G10L25/21
摘要： An apparatus (100) for providing an estimate of a loudness of signal components of interest of an audio signal is provided. The apparatus (100) comprises an input interface (110) configured to receive a plurality of samples of the audio signal. Moreover, the apparatus (100) comprises a neural network (120) configured to receive as input values the plurality of samples of the audio signal or a plurality of derived values being derived from the plurality of samples of the audio signal, and configured to determine at least one output value from the plurality of input values, such that the at least one output value indicates the estimate of the loudness of the signal components of interest of the audio signal.

5. 发明申请

WO2022188999A1 APPARATUS AND METHOD FOR CLEAN DIALOGUE LOUDNESS ESTIMATES BASED ON DEEP NEURAL NETWORKS 审中-公开
公开(公告)号：WO2022188999A1
公开(公告)日：2022-09-15
申请号：PCT/EP2021/056416
申请日：2021-03-12
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： UHLE, Christian , KRATSCHMER, Michael , TRAVAGLINI, Alessandro , NEUGEBAUER, Bernhard
IPC分类号： G10L25/48 , G10L25/30 , G10L25/21
摘要： An apparatus (100) for providing an estimate of a loudness of signal components of interest of an audio signal is provided. The apparatus (100) comprises an input interface (110) configured to receive a plurality of samples of the audio signal. Moreover, the apparatus (100) comprises a neural network (120) configured to receive as input values the plurality of samples of the audio signal or a plurality of derived values being derived from the plurality of samples of the audio signal, and configured to determine at least one output value from the plurality of input values, such that the at least one output value indicates the estimate of the loudness of the signal components of interest of the audio signal.

6. 发明申请

WO2012072798A1 SOUND ACQUISITION VIA THE EXTRACTION OF GEOMETRICAL INFORMATION FROM DIRECTION OF ARRIVAL ESTIMATES 审中-公开
标题翻译：通过从到达估计方向提取几何信息的声音收购
公开(公告)号：WO2012072798A1
公开(公告)日：2012-06-07
申请号：PCT/EP2011/071629
申请日：2011-12-02
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG , HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , THIERGART, Oliver , MAHNE, Dirk , KUNTZ, Achim , KRATSCHMER, Michael , CRACIUN, Alexandra
发明人： HERRE, Jürgen , KÜCH, Fabian , KALLINGER, Markus , DEL GALDO, Giovanni , THIERGART, Oliver , MAHNE, Dirk , KUNTZ, Achim , KRATSCHMER, Michael , CRACIUN, Alexandra
IPC分类号： H04R3/00 , G10L19/00
CPC分类号： G10L19/00 , G10L19/008 , G10L19/02 , G10L19/167 , G10L19/20 , H04R1/326 , H04R3/005 , H04R2430/21
摘要： An apparatus for generating an audio output signal to simulate a recording of a virtual microphone at a configurable virtual position in an environment is provided. The apparatus comprises a sound events position estimator and an information computation module (120). The sound events position estimator (110) is adapted to estimate a sound source position indicating a position of a sound source in the environment, wherein the sound events position estimator (110) is adapted to estimate the sound source position based on a first direction information provided by a first real spatial microphone being located at a first real microphone position in the environment, and based on a second direction information provided by a second real spatial microphone being located at a second real microphone position in the environment. The information computation module (120) is adapted to generate the audio output signal based on a first recorded audio input signal, based on the first real microphone position, based on the virtual position of the virtual microphone, and based on the sound source position.
摘要翻译：提供了一种用于生成音频输出信号以模拟在环境中的可配置虚拟位置处的虚拟麦克风的记录的装置。该装置包括声音事件位置估计器和信息计算模块（120）。声音事件位置估计器（110）适于估计指示环境中声源的位置的声源位置，其中声音事件位置估计器（110）适于基于第一方向信息来估计声源位置由位于环境中的第一实际麦克风位置处的第一实际空间麦克风提供，并且基于由位于环境中的第二真实麦克风位置的第二实际空间麦克风提供的第二方向信息。信息计算模块（120）适于基于第一真实麦克风位置，基于虚拟麦克风的虚拟位置，并且基于声源位置，基于第一记录音频输入信号生成音频输出信号。

7. 发明申请

WO2016202682A1 LOUDNESS CONTROL FOR USER INTERACTIVITY IN AUDIO CODING SYSTEMS 审中-公开
标题翻译：音频编码系统中用户互动的灵活性控制
公开(公告)号：WO2016202682A1
公开(公告)日：2016-12-22
申请号：PCT/EP2016/063205
申请日：2016-06-09
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： KÜCH, Fabian , UHLE, Christian , KRATSCHMER, Michael , NEUGEBAUER, Bernhard , MEIER, Michael
IPC分类号： G10L19/008
CPC分类号： G06F3/165 , G06F3/162 , G06F17/10 , G10L19/008 , H04S3/008 , H04S7/30 , H04S2400/13 , H04S2420/11
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).
摘要翻译：一种用于处理音频信号（100）的音频处理器，包括：用于响应于用户输入（200）修改音频信号（100）的音频信号修改器（2）; 响应控制器（6），用于基于参考响度（Lref）或参考增益（gi）和修改响度（Lmod）或修改增益（hi）来确定响度补偿增益（C），其中改变的响度 Lmod）或修改后的增益（hi）取决于用户输入; 以及用于使用响度补偿增益（C）来操纵信号（101）的响度的响度操纵器（5）。

8. 发明申请

WO2015059087A1 CONCEPT FOR COMBINED DYNAMIC RANGE COMPRESSION AND GUIDED CLIPPING PREVENTION FOR AUDIO DEVICES 审中-公开
标题翻译：组合动态范围压缩和指导音频设备的剪辑预防概念
公开(公告)号：WO2015059087A1
公开(公告)日：2015-04-30
申请号：PCT/EP2014/072431
申请日：2014-10-20
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： KÜCH, Fabian , UHLE, Christian , KRATSCHMER, Michael , NEUGEBAUER, Bernhard , MEIER, Michael , BORSUM, Arne
IPC分类号： G10L21/034 , H03G9/00 , H03G11/00 , G10L19/16 , G10L19/008
CPC分类号： G10L19/167 , G06F3/165 , G10L19/008 , G10L19/018 , G10L21/034 , H03G9/005 , H03G11/008
摘要： Concept for combined dynamic range compression and guided clipping prevention for audio devices The invention provides a concept for combined dynamic range compression and guided clipping prevention for audio devices. An audio decoder for decoding an audio bitstream and a metadata bitstream related to the audio bitstream according to the concept comprises an audio processing chain configured to receive a decoded audio signal derived from the audio bitstream and to adjust characteristics of the audio signal in order to produce an audio output signal, the audio adjustment chain comprising a plurality of adjustment stages including a dynamic range control stage for adjusting a dynamic range of the audio output signal and a guided clipping prevention stage for preventing clipping of the audio output signal; and a metadata decoder configured to receive the metadata bitstream and to extract dynamic range control gain sequences and guided clipping prevention gain sequences from the metadata bitstream.
摘要翻译：用于音频设备的组合动态范围压缩和引导限幅预防的概念本发明提供了用于音频设备的组合动态范围压缩和引导限幅预防的概念。根据该概念，用于解码音频比特流的音频解码器和与音频比特流相关的元数据比特流包括：音频处理链，被配置为接收从音频比特流导出的解码音频信号，并且调整音频信号的特性以产生音频输出信号，音频调节链包括多个调节级，包括用于调整音频输出信号的动态范围的动态范围控制级和用于防止音频输出信号的限幅的引导限幅预防级; 以及元数据解码器，被配置为接收所述元数据比特流并从所述元数据比特流中提取动态范围控制增益序列和引导限幅预防增益序列。

9. 发明申请

WO2015011057A1 IN AN REDUCTION OF COMB FILTER ARTIFACTS IN MULTI-CHANNEL DOWNMIX WITH ADAPTIVE PHASE ALIGNMENT 审中-公开
标题翻译：在具有自适应相位对准的多通道下陷中减少COMB过滤器
公开(公告)号：WO2015011057A1
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065537
申请日：2014-07-18
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： FÜG, Simone , KUNTZ, Achim , KRATSCHMER, Michael , JUHA, Vilkamo
IPC分类号： G10L19/008
CPC分类号： G10L19/008 , G10L19/005 , G10L19/0204 , G10L21/04 , H04S3/02 , H04S2400/01 , H04S2400/03 , H04S2420/03
摘要： An audio signal processing decoder having at least one frequency band (36) and being configured for processing an input audio signal (37) having a plurality of input channels (38) in the at least one frequency band (36), wherein the decoder (2) is configured to analyze the input audio signal (37), wherein inter-channel dependencies (39) between the input channels (38) are identified; and to align the phases of the input channels (38) based on the identified inter-channel dependencies (39), wherein the phases of input channels (38) are the more aligned with respect to each other the higher their inter-channel dependency (39) is; and to downmix the aligned input audio signal to an output audio signal (40) having a lesser number of output channels (41) than the number of the input channels (38).
摘要翻译：一种音频信号处理解码器，具有至少一个频带（36）并且被配置用于处理在所述至少一个频带（36）中具有多个输入通道（38）的输入音频信号（37），其中所述解码器 2）被配置为分析输入音频信号（37），其中识别输入通道（38）之间的通道间依赖性（39）并且基于所识别的信道间相关性（39）来调整输入信道（38）的相位，其中，输入信道（38）的相位彼此之间更一致，它们的信道间相关性越高（ 39）是并且将对准的输入音频信号下混合到具有比输入通道（38）的数量少的输出通道（41）的输出音频信号（40）。

10. 发明申请

WO2015010937A2 RENDERER CONTROLLED SPATIAL UPMIX 审中-公开
标题翻译：渲染器控制的空间UPMIX
公开(公告)号：WO2015010937A2
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065037
申请日：2014-07-14
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： ERTEL, Christian , HILPERT, Johannes , HÖLZER, Andreas , KUNTZ, Achim , PLOGSTIES, Jan , KRATSCHMER, Michael
CPC分类号： H04S5/005 , G10L19/008 , H04S5/00 , H04S7/308 , H04S2400/01 , H04S2400/03 , H04S2400/05 , H04S2420/03
摘要： An audio decoder device for decoding a compressed input audio signal comprising at least one core decoder (6, 24) having one or more processors (36, 36') for generating a processor output signal (37) based on a processor input signal (38, 38'), wherein a number of output channels (37.1, 37.2, 37.1', 37.2') of the processor output signal (37, 37') is higher than a number of input channels (38.1, 38.1') of the processor input signal (38, 38'), wherein each of the one or more processors (36, 36') comprises a decorrelator (39, 39') and a mixer (40, 40'), wherein a core decoder output signal (13) having a plurality of channels (13.1, 13.2, 13.3, 13,4) comprises the processor output signal (37, 37'), and wherein the core decoder output signal (13) is suitable for a reference loudspeaker setup (42); at least one format converter device (9, 10) configured to convert the core decoder output signal (13) into an output audio signal (31), which is suitable for a target loudspeaker setup (45); and a control device (46) configured to control at least one or more processors (36, 36') in such way that the decorrelator (39, 39') of the processor (36, 36') may be controlled independently from the mixer (40, 40') of the processor (36, 36'), wherein the control device (46) is configured to control at least one of the decorrelators (39, 39') of the one or more processors (36, 36') depending on the target loudspeaker setup (45).
摘要翻译：一种用于解码压缩输入音频信号的音频解码器装置，包括至少一个具有一个或多个处理器（36,36'）的核心解码器（6,24），用于基于处理器输入信号（38）产生处理器输出信号（37），38'），其中所述处理器输出信号（37,37'）的多个输出通道（37.1,37.2,37.1'，37.2'）高于所述处理器的多个输入通道（38.1,38.1'）输入信号（38,38'），其中所述一个或多个处理器（36,36'）中的每一个包括去相关器（39,39'）和混频器（40,40'），其中核心解码器输出信号）包括所述处理器输出信号（37,37'），并且其中所述核心解码器输出信号（13）适用于参考扬声器设置（42）;所述多个信道（13.1,13.2,13.3,134）至少一个格式转换器装置（9,10），被配置为将所述核心解码器输出信号（13）转换成适合于目标扬声器设置（45）的输出音频信号（31）; 以及控制装置（46），被配置为以这样的方式控制至少一个或多个处理器（36,36'），使得处理器（36,36'）的去相关器（39,39'）可以独立于混频器（36,36'）的所述解相关器（40,40'）中的至少一个处理器（36,36'）被配置成控制所述处理器（36,36'）的所述解相关器（39,39'）中的至少一个，）取决于目标扬声器设置（45）。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式