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1. 发明授权

US09236062B2 Device and method for manipulating an audio signal having a transient event 有权
标题翻译：用于操纵具有瞬态事件的音频信号的装置和方法
公开(公告)号：US09236062B2
公开(公告)日：2016-01-12
申请号：US13465946
申请日：2012-05-07
申请人： Sascha Disch , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
发明人： Sascha Disch , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
IPC分类号： G06F17/00 , G10L21/04 , G10L19/025
CPC分类号： G10L21/04 , G10L19/025
摘要： A signal manipulator for manipulating an audio signal having a transient event may have a transient remover, a signal processor and a signal inserter for inserting a time portion in a processed audio signal at a signal location where the transient event was removed before processing by the transient remover, so that a manipulated audio signal has a transient event not influenced by the processing, whereby the vertical coherence of the transient event is maintained instead of any processing performed in the signal processor, which would destroy the vertical coherence of a transient.
摘要翻译：用于操纵具有瞬态事件的音频信号的信号操纵器可以具有瞬态去除器，信号处理器和信号插入器，用于在瞬态事件被去除的信号位置处将处理后的音频信号中的时间部分插入，去除器，使得被操纵的音频信号具有不受处理影响的瞬态事件，由此维持瞬态事件的垂直相干性而不是在信号处理器中执行的任何处理，这将破坏瞬态的垂直相干性。

2. 发明授权

US09230557B2 Apparatus, method and computer program for manipulating an audio signal comprising a transient event 有权
标题翻译：用于操纵包括瞬态事件的音频信号的装置，方法和计算机程序
公开(公告)号：US09230557B2
公开(公告)日：2016-01-05
申请号：US13191780
申请日：2011-07-27
申请人： Frederik Nagel , Andreas Walther , Guillaume Fuchs , Jeremie Lecomte , Harald Popp , Tilo Wik
发明人： Frederik Nagel , Andreas Walther , Guillaume Fuchs , Jeremie Lecomte , Harald Popp , Tilo Wik
IPC分类号： H04R29/00 , G10L21/04 , G10L19/025 , G10L19/028
CPC分类号： G10L21/04 , G10L19/025 , G10L19/028
摘要： An apparatus for manipulating an audio signal comprising a transient event has a transient signal replacer configured to replace a transient signal portion, comprising the transient event of the audio signal, with a replacement signal portion adapted to signal energy characteristics of one or more transient signal portions of the audio signal, or to signal energy characteristics of the transient signal portion, to obtain a transient-reduced audio signal. The apparatus also has a signal processor configured to process the transient-reduced audio signal to obtain a processed version of the transient-reduced audio signal. The apparatus also has a transient-signal-re-inserter configured to combine the processed version of the transient-reduced audio signal with a transient signal representing, in an original or processed form, a transient content of the transient signal portion.
摘要翻译：一种用于操纵包括瞬态事件的音频信号的装置具有瞬态信号替换器，其被配置为将包括音频信号的瞬态事件的瞬态信号部分替换成适于发出一个或多个瞬态信号部分的能量特性的替换信号部分或者用于发出瞬态信号部分的能量特性，以获得瞬态降低的音频信号。该装置还具有被配置为处理瞬态降低的音频信号以获得经过瞬态减小的音频信号的处理版本的信号处理器。该装置还具有瞬态信号重新插入器，其被配置为将经过处理的瞬态降低音频信号的组合与以原始或处理形式表示瞬态信号部分的瞬时内容的瞬态信号组合。

3. 发明授权

US08837750B2 Device and method for manipulating an audio signal 有权
标题翻译：用于操纵音频信号的装置和方法
公开(公告)号：US08837750B2
公开(公告)日：2014-09-16
申请号：US13240679
申请日：2011-09-22
申请人： Sascha Disch , Frederik Nagel , Max Neuendorf , Christian Helmrich , Dominik Zorn
发明人： Sascha Disch , Frederik Nagel , Max Neuendorf , Christian Helmrich , Dominik Zorn
IPC分类号： H04R1/40 , G10L21/038 , G10L19/025 , G10L21/007
CPC分类号： G10L21/038 , G10L19/025 , G10L21/007
摘要： A device and method for manipulating an audio signal includes a windower for generating a plurality of consecutive blocks of audio samples, the plurality of consecutive blocks including at least one padded block of audio samples, the padded block having padded values and audio signal values, a first converter for converting the padded block into a spectral representation having spectral values, a phase modifier for modifying phases of the spectral values to obtain a modified spectral representation and a second converter for converting the modified spectral representation into a modified time domain audio signal.
摘要翻译：用于操纵音频信号的装置和方法包括用于产生多个连续的音频样本块的加窗器，所述多个连续块包括至少一个填充的音频样本块，所述填充块具有填充值和音频信号值，第一转换器，用于将填充块转换为具有频谱值的频谱表示;相位修改器，用于修改频谱值的相位以获得修改的频谱表示;以及第二转换器，用于将修改的频谱表示转换为修改的时域音频信号。

4. 发明授权

US08447620B2 Multi-resolution switched audio encoding/decoding scheme 有权
公开(公告)号：US08447620B2
公开(公告)日：2013-05-21
申请号：US13081223
申请日：2011-04-06
申请人： Max Neuendorf , Stefan Bayer , Jérémie Lecomte , Guillaume Fuchs , Julien Robilliard , Nikolaus Rettelbach , Frederik Nagel , Ralf Geiger , Markus Multrus , Bernhard Grill , Philippe Gournay , Redwan Salami
发明人： Max Neuendorf , Stefan Bayer , Jérémie Lecomte , Guillaume Fuchs , Julien Robilliard , Nikolaus Rettelbach , Frederik Nagel , Ralf Geiger , Markus Multrus , Bernhard Grill , Philippe Gournay , Redwan Salami
IPC分类号： G10L19/008
CPC分类号： G10L19/008 , G10L19/0017 , G10L19/0212 , G10L19/173 , G10L19/18 , G10L2019/0008
摘要： An audio encoder for encoding an audio signal has a first coding branch, the first coding branch comprising a first converter for converting a signal from a time domain into a frequency domain. Furthermore, the audio encoder has a second coding branch comprising a second time/frequency converter. Additionally, a signal analyzer for analyzing the audio signal is provided. The signal analyzer, on the hand, determines whether an audio portion is effective in the encoder output signal as a first encoded signal from the first encoding branch or as a second encoded signal from a second encoding branch. On the other hand, the signal analyzer determines a time/frequency resolution to be applied by the converters when generating the encoded signals. An output interface includes, in addition to the first encoded signal and the second encoded signal, a resolution information identifying the resolution used by the first time/frequency converter and used by the second time/frequency converter.

5. 发明申请

US20130060367A1 APPARATUS AND METHOD FOR HANDLING TRANSIENT SOUND EVENTS IN AUDIO SIGNALS WHEN CHANGING THE REPLAY SPEED OR PITCH 有权
标题翻译：在更换复印机速度或倾斜时在音频信号中处理瞬态声音事件的装置和方法
公开(公告)号：US20130060367A1
公开(公告)日：2013-03-07
申请号：US13604813
申请日：2012-09-06
申请人： Sascha Disch , Frederik Nagel , Stephan Wilde
发明人： Sascha Disch , Frederik Nagel , Stephan Wilde
IPC分类号： G06F17/00
CPC分类号： G10L21/038 , G10L19/025 , G10L21/04
摘要： An apparatus for processing an audio signal has an overlap-add stage for overlapping and adding blocks of a corresponding one of a plurality of subband signals using an overlap-add-advance value being different from a block extraction advance value. The apparatus further has a transient detector for detecting a transient in the audio signal or a subband signal of the plurality of subband signals. The overlap-add stage is configured for reducing an influence of a detected transient or for not using the detected transients when adding. The apparatus further has a transient adder for adding a detected transient to a subband signal generated by the overlap/add stage. A related method for processing an audio signal has, inter alia, either reducing an influence or discarding a detected transient when overlapping and adding.
摘要翻译：用于处理音频信号的装置具有重叠添加级，用于使用与块提取提前值不同的重叠添加提前值来重叠和相加多个子带信号中的相应块的块。该装置还具有用于检测音频信号中的瞬态或多个子带信号的子带信号的瞬态检测器。重叠添加级被配置为减少检测到的瞬态的影响或者在添加时不使用检测到的瞬变。该装置还具有一个瞬态加法器，用于将检测到的瞬态值与由重叠/加法级产生的子带信号相加。用于处理音频信号的相关方法尤其是在重叠和相加时减少影响或丢弃检测到的瞬变。

6. 发明申请

US20130010983A1 DEVICE AND METHOD FOR MANIPULATING AN AUDIO SIGNAL HAVING A TRANSIENT EVENT 审中-公开
标题翻译：用于处理具有瞬时事件的音频信号的装置和方法
公开(公告)号：US20130010983A1
公开(公告)日：2013-01-10
申请号：US13465958
申请日：2012-05-07
申请人： Sascha DISCH , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
发明人： Sascha DISCH , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
IPC分类号： G06F17/00 , G10L19/14 , H04R1/32
摘要： A signal manipulator for manipulating an audio signal having a transient event may have a transient remover, a signal processor and a signal inserter for inserting a time portion in a processed audio signal at a signal location where the transient event was removed before processing by the transient remover, so that a manipulated audio signal has a transient event not influenced by the processing, whereby the vertical coherence of the transient event is maintained instead of any processing performed in the signal processor, which would destroy the vertical coherence of a transient.
摘要翻译：用于操纵具有瞬态事件的音频信号的信号操纵器可以具有瞬态去除器，信号处理器和信号插入器，用于在瞬态事件被去除的信号位置处将处理后的音频信号中的时间部分插入，去除器，使得被操纵的音频信号具有不受处理影响的瞬态事件，由此维持瞬态事件的垂直相干性而不是在信号处理器中执行的任何处理，这将破坏瞬态的垂直相干性。

7. 发明申请

US20130003992A1 DEVICE AND METHOD FOR MANIPULATING AN AUDIO SIGNAL HAVING A TRANSIENT EVENT 审中-公开
公开(公告)号：US20130003992A1
公开(公告)日：2013-01-03
申请号：US13465936
申请日：2012-05-07
申请人： Sascha DISCH , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
发明人： Sascha DISCH , Frederik Nagel , Nikolaus Rettelbach , Markus Multrus , Guillaume Fuchs
IPC分类号： H04B1/00
CPC分类号： G10L21/04 , G10L19/025
摘要： A signal manipulator for manipulating an audio signal having a transient event may have a transient remover, a signal processor and a signal inserter for inserting a time portion in a processed audio signal at a signal location where the transient event was removed before processing by the transient remover, so that a manipulated audio signal has a transient event not influenced by the processing, whereby the vertical coherence of the transient event is maintained instead of any processing performed in the signal processor, which would destroy the vertical coherence of a transient.

8. 发明申请

US20120010880A1 APPARATUS, METHOD AND COMPUTER PROGRAM FOR GENERATING A REPRESENTATION OF A BANDWIDTH-EXTENDED SIGNAL ON THE BASIS OF AN INPUT SIGNAL REPRESENTATION USING A COMBINATION OF A HARMONIC BANDWIDTH-EXTENSION AND A NON-HARMONIC BANDWIDTH-EXTENSION 有权
标题翻译：使用谐波带宽扩展和非谐波带宽扩展的组合来生成基于输入信号表示的带宽扩展信号的表示的装置，方法和计算机程序
公开(公告)号：US20120010880A1
公开(公告)日：2012-01-12
申请号：US12992051
申请日：2010-04-01
申请人： Frederik Nagel , Max Neuendorf , Nikolaus Rettelbach , Jeremie Lecomte , Markus Multrus , Bernhard Grill , Sascha Disch
发明人： Frederik Nagel , Max Neuendorf , Nikolaus Rettelbach , Jeremie Lecomte , Markus Multrus , Bernhard Grill , Sascha Disch
IPC分类号： G10L19/02 , G10L21/00
CPC分类号： G10L19/008 , G10L19/18 , G10L21/038
摘要： An apparatus for generating a representation of a bandwidth-extended signal on the basis of an input signal representation includes a phase vocoder configured to obtain values of a spectral domain representation of a first patch of the bandwidth-extended signal on the basis of the input signal representation. The apparatus also includes a value copier configured to copy a set of values of the spectral domain representation of the first patch, which values are provided by the phase vocoder, to obtain a set of values of a spectral domain representation of a second patch, wherein the second patch is associated with higher frequencies than the first patch. The apparatus is configured to obtain the representation of the bandwidth-extended signal using the values of the spectral domain representation of the first patch and the values of the spectral domain representation of the second patch.
摘要翻译：用于基于输入信号表示产生带宽扩展信号的表示的装置包括相位声码器，其被配置为基于输入信号获得带宽扩展信号的第一频块的频域表示的值表示。该装置还包括值复制器，其被配置为复制由相位声码器提供的第一贴片的频域表示的一组值，以获得第二贴片的频域表示的一组值，其中第二贴片与比第一贴片更高的频率相关联。该装置被配置为使用第一补丁的频域表示的值和第二补丁的频域表示的值来获得带宽扩展信号的表示。

9. 发明申请

US20110282675A1 Apparatus and Method for Generating a Synthesis Audio Signal and for Encoding an Audio Signal 有权
标题翻译：用于产生合成音频信号和用于编码音频信号的装置和方法
公开(公告)号：US20110282675A1
公开(公告)日：2011-11-17
申请号：US13107687
申请日：2011-05-13
申请人： Frederik Nagel , Markus Multrus , Jeremie Lecomte , Stefan Bayer , Guillaume Fuchs , Johannes Hilpert , Julien Robilliard
发明人： Frederik Nagel , Markus Multrus , Jeremie Lecomte , Stefan Bayer , Guillaume Fuchs , Johannes Hilpert , Julien Robilliard
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L21/038
摘要： An apparatus for generating a synthesis audio signal using a patching control signal has a first converter, a spectral domain patch generator, a high frequency reconstruction manipulator and a combiner. The first converter is configured for converting a time portion of an audio signal into a spectral representation. The spectral domain patch generator is configured for performing a plurality of different spectral domain patching algorithms, wherein each patching algorithm generates a modified spectral representation having spectral components in an upper frequency band derived from corresponding spectral components in a core frequency band of the audio signal. The spectral domain patch generator is furthermore configured to select a first spectral domain patching algorithm from the plurality of patching algorithms for a first time portion and a second spectral domain patching algorithm from the plurality of patching algorithm for a second different time portion in accordance with the patching control signal to obtain the modified spectral representation.
摘要翻译：使用补丁控制信号产生合成音频信号的装置具有第一转换器，频域补丁发生器，高频重建操纵器和组合器。第一转换器被配置为将音频信号的时间部分转换为频谱表示。频域补丁生成器被配置用于执行多个不同的频域修补算法，其中每个修补算法生成具有从音频信号的核心频带中的相应频谱分量导出的上频带中的频谱分量的修改频谱表示。频域补丁生成器还被配置为根据来自第一时间部分的多个修补算法和来自针对第二不同时间部分的多个修补算法的第二频域修补算法来选择第一频域修补算法修补控制信号以获得修改的光谱表示。

10. 发明申请

US20110202352A1 Apparatus and a Method for Generating Bandwidth Extension Output Data 有权
标题翻译：用于生成带宽扩展输出数据的装置和方法
公开(公告)号：US20110202352A1
公开(公告)日：2011-08-18
申请号：US13004264
申请日：2011-01-11
申请人： Max Neuendorf , Bernhard Grill , Ulrich Kraemer , Markus Multrus , Harald Popp , Nikolaus Rettelbach , Frederik Nagel , Markus Lohwasser , Marc Gayer , Manuel Jander , Virgilio Bacigalupo
发明人： Max Neuendorf , Bernhard Grill , Ulrich Kraemer , Markus Multrus , Harald Popp , Nikolaus Rettelbach , Frederik Nagel , Markus Lohwasser , Marc Gayer , Manuel Jander , Virgilio Bacigalupo
IPC分类号： G10L19/00
CPC分类号： G10L21/038 , G10L19/0208 , G10L19/025 , G10L19/20
摘要： An apparatus for generating bandwidth extension output data for an audio signal has a noise floor measurer, a signal energy characterizer and a processor. The audio signal has components in a first frequency band and components in a second frequency band, the bandwidth extension output data are adapted to control a synthesis of the components in the second frequency band. The noise floor measurer measures noise floor data of the second frequency band for a time portion of the audio signal. The signal energy characterizer derives energy distribution data, the energy distribution data characterizing an energy distribution in a spectrum of the time portion of the audio signal. The processor combines the noise floor data and the energy distribution data to obtain the bandwidth extension output data.
摘要翻译：用于产生音频信号的带宽扩展输出数据的装置具有噪声本底测量器，信号能量表征器和处理器。音频信号具有第一频带中的分量和第二频带中的分量，带宽扩展输出数据适于控制第二频带中的分量的合成。噪声本底测量器测量音频信号的时间部分的第二频带的本底噪声数据。信号能量表征器导出能量分布数据，能量分布数据表征音频信号的时间部分的频谱中的能量分布。处理器结合噪声本底数据和能量分布数据以获得带宽扩展输出数据。

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