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1. 发明授权

US07760886B2 Apparatus and method for synthesizing three output channels using two input channels 有权
标题翻译：使用两个输入通道合成三个输出通道的装置和方法
公开(公告)号：US07760886B2
公开(公告)日：2010-07-20
申请号：US11313180
申请日：2005-12-20
申请人： Oliver Hellmuth , Jürgen Herre , Harald Popp , Andreas Walther
发明人： Oliver Hellmuth , Jürgen Herre , Harald Popp , Andreas Walther
IPC分类号： H04R5/00
CPC分类号： H04S5/00
摘要： For synthesizing at least three output channels using two stereo input channels, the stereo input channels are analyzed to detect signal components occurring in both input channels. A signal generator is operative to introduce at least a part of the detected signal components into the second channel associated with a second speaker in an intended speaker scheme, which is positioned between a first and a third speaker in the speaker scheme. When, however, feeding of the complete detected signal components would result in a clipping situation, then only a part of the detected signal components is fed into the second channel as a real center channel and the remainder is located in the first and third channels as a phantom center channel.
摘要翻译：为了使用两个立体声输入通道合成至少三个输出通道，分析立体声输入通道以检测在两个输入通道中发生的信号分量。信号发生器可操作以将所检测的信号分量的至少一部分引入与位于扬声器方案中的第一和第三扬声器之间的预期扬声器方案中与第二扬声器相关联的第二通道。然而，当提供完整检测到的信号分量将导致削波情况时，则只有一部分检测到的信号分量被馈送到第二信道中作为实际中心信道，其余部分位于第一和第三信道中，如幻影中心频道。

2. 发明申请

US20070242833A1 DEVICE AND METHOD FOR GENERATING AN AMBIENCE SIGNAL 有权
标题翻译：用于产生安全信号的装置和方法
公开(公告)号：US20070242833A1
公开(公告)日：2007-10-18
申请号：US11734620
申请日：2007-04-12
申请人： Juergen HERRE , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
发明人： Juergen HERRE , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
IPC分类号： H03G3/00 , H03G3/20
CPC分类号： H04S5/005 , G10L19/008 , H04R5/04
摘要： A transient detector is provided for generating an ambience signal suitable for being emitted via loudspeakers for which there is no special loudspeaker signal to detect a transient period. A synthesis signal generator produces a synthesis signal which fulfils the transient condition on the one hand and the continuity condition for the synthesis signal on the other hand. A signal substituter will then substitute a portion of the examination signal by the synthesis signal to obtain an ambience signal for the surround channels.
摘要翻译：提供了一种瞬态检测器，用于产生适于通过不具有特殊扬声器信号的扬声器发射以检测瞬态周期的环境信号。合成信号发生器产生合成信号，一方面满足瞬态条件和另一方面合成信号的连续性条件。然后，信号取代器将通过合成信号替换检查信号的一部分，以获得环绕声道的环境信号。

3. 发明授权

US09326085B2 Device and method for generating an ambience signal 有权
公开(公告)号：US09326085B2
公开(公告)日：2016-04-26
申请号：US13442649
申请日：2012-04-09
申请人： Juergen Herre , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
发明人： Juergen Herre , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
IPC分类号： H04S5/00 , G10L19/008 , H04R5/04
CPC分类号： H04S5/005 , G10L19/008 , H04R5/04
摘要： A transient detector is provided for generating an ambience signal suitable for being emitted via loudspeakers for which there is no special loudspeaker signal to detect a transient period. A synthesis signal generator produces a synthesis signal which fulfills the transient condition on the one hand and the continuity condition for the synthesis signal on the other hand. A signal substituter will then substitute a portion of the examination signal by the synthesis signal to obtain an ambience signal for the surround channels.

4. 发明授权

US08781133B2 Apparatus for generating a multi-channel audio signal 有权
标题翻译：用于产生多声道音频信号的装置
公开(公告)号：US08781133B2
公开(公告)日：2014-07-15
申请号：US13155477
申请日：2011-06-08
申请人： Andreas Walther , Oliver Hellmuth , Falko Ridderbusch , Christian Stoecklmeier
发明人： Andreas Walther , Oliver Hellmuth , Falko Ridderbusch , Christian Stoecklmeier
IPC分类号： H04R5/00
CPC分类号： H04S3/002 , H04S2400/11
摘要： An apparatus for generating a multi-channel audio signal based on an input audio signal comprises a main signal upmixer, a section selector, a section signal upmixer and a combiner. The main signal upmixer is configured to provide a main multi-channel audio signal based on the input audio signal. The section selector is configured to select or not select a section of the input audio signal based on an analysis of the input audio signal. The selected section of the input audio signal, a processed selected section of the input audio signal or a reference signal associated with the selected section of the input audio signal is provided as section signal. The section signal upmixer is configured to provide a section upmix signal based on the section signal, and the combiner is configured to overlay the main multi-channel audio signal and the section upmix signal to obtain the multi-channel audio signal.
摘要翻译：一种用于基于输入音频信号产生多声道音频信号的装置包括主信号上混混器，分段选择器，分段信号上混合器和组合器。主信号上混合器被配置为基于输入音频信号提供主多声道音频信号。分段选择器被配置为基于对输入音频信号的分析来选择或不选择输入音频信号的一部分。输入音频信号的选择部分，输入音频信号的经处理的选择部分或与输入音频信号的所选部分相关联的参考信号被提供为部分信号。分段信号上混混合器被配置为基于分段信号提供分段上混信号，并且组合器被配置为覆盖主多声道音频信号和分段上混信号以获得多声道音频信号。

5. 发明授权

US08346565B2 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 有权
标题翻译：用于从音频信号生成环境信号的装置和方法，用于从音频信号和计算机程序导出多声道音频信号的装置和方法
公开(公告)号：US08346565B2
公开(公告)日：2013-01-01
申请号：US12440058
申请日：2007-10-23
申请人： Christian Uhle , Juergen Herre , Andreas Walther , Oliver Hellmuth , Christiaan Janssen
发明人： Christian Uhle , Juergen Herre , Andreas Walther , Oliver Hellmuth , Christiaan Janssen
IPC分类号： G10L19/00 , G10L11/00 , H04R5/00 , H03G3/00
CPC分类号： H04S5/005 , G10L19/008 , G10L19/02 , H04S2420/03
摘要： An apparatus for generating an ambient signal from an audio signal includes a compressor 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 includes a calculator 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 includes a provider for providing the ambient signal using the discrimination representation. An apparatus for deriving a multi-channel audio signal from an audio signal includes 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.
摘要翻译：一种用于从音频信号产生环境信号的装置包括用于对音频信号的表示进行有损压缩的压缩器，以便获得描述压缩音频信号的音频信号的压缩表示。用于生成环境信号的装置还包括用于计算音频信号的压缩表示和音频信号的表示之间的差的计算器，以便获得鉴别表示。该装置还包括提供者，用于使用识别表示来提供环境信号。用于从音频信号导出多声道音频信号的装置包括用于从音频信号产生环境信号的装置，用于提供音频信号作为前置扬声器信号的装置，以及用于将环境信号提供为后置扬声器信号。

6. 发明授权

US08577482B2 Device and method for generating an ambience signal 有权
标题翻译：用于产生环境信号的装置和方法
公开(公告)号：US08577482B2
公开(公告)日：2013-11-05
申请号：US11734620
申请日：2007-04-12
申请人： Juergen Herre , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
发明人： Juergen Herre , Stefan Geyersberger , Oliver Hellmuth , Andreas Walther , Christiaan Janssen
IPC分类号： G06F17/00 , H03G3/00 , H04R5/02
CPC分类号： H04S5/005 , G10L19/008 , H04R5/04
摘要： A transient detector is provided for generating an ambience signal suitable for being emitted via loudspeakers for which there is no special loudspeaker signal to detect a transient period. A synthesis signal generator produces a synthesis signal which fulfills the transient condition on the one hand and the continuity condition for the synthesis signal on the other hand. A signal substituter will then substitute a portion of the examination signal by the synthesis signal to obtain an ambience signal for the surround channels.
摘要翻译：提供了一种瞬态检测器，用于产生适于通过不具有特殊扬声器信号的扬声器发射以检测瞬态周期的环境信号。合成信号发生器产生合成信号，一方面满足瞬态条件，另一方面又产生合成信号的连续性条件。然后，信号取代器将通过合成信号替换检查信号的一部分，以获得环绕声道的环境信号。

7. 发明申请

US20100030563A1 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 有权
标题翻译：用于从音频信号生成环境信号的装置和方法，用于从音频信号和计算机程序传送多声道音频信号的装置和方法
公开(公告)号：US20100030563A1
公开(公告)日：2010-02-04
申请号：US12440058
申请日：2007-10-23
申请人： Christian Uhle , Juergen Herre , Andreas Walther , Oliver Hellmuth , Christiaan Janssen
发明人： Christian Uhle , Juergen Herre , Andreas Walther , Oliver Hellmuth , Christiaan Janssen
IPC分类号： G10L21/00
CPC分类号： H04S5/005 , G10L19/008 , G10L19/02 , H04S2420/03
摘要： An apparatus for generating an ambient signal from an audio signal includes a compressor 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 includes a calculator 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 includes a provider for providing the ambient signal using the discrimination representation. An apparatus for deriving a multi-channel audio signal from an audio signal includes 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.
摘要翻译：一种用于从音频信号产生环境信号的装置包括用于对音频信号的表示进行有损压缩的压缩器，以便获得描述压缩音频信号的音频信号的压缩表示。用于生成环境信号的装置还包括用于计算音频信号的压缩表示和音频信号的表示之间的差的计算器，以便获得鉴别表示。该装置还包括提供者，用于使用识别表示来提供环境信号。用于从音频信号导出多声道音频信号的装置包括用于从音频信号产生环境信号的装置，用于提供音频信号作为前置扬声器信号的装置，以及用于将环境信号提供为后置扬声器信号。

8. 发明申请

US20120051549A1 APPARATUS, METHOD AND COMPUTER PROGRAM FOR MANIPULATING AN AUDIO SIGNAL COMPRISING A TRANSIENT EVENT 有权
标题翻译：用于处理包含瞬时事件的音频信号的装置，方法和计算机程序
公开(公告)号：US20120051549A1
公开(公告)日：2012-03-01
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： H03G5/16
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。

9. 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。

10. 发明授权

US09534320B2 Method for fabricating fiber products and composites 有权
标题翻译：纤维制品和复合材料的制造方法
公开(公告)号：US09534320B2
公开(公告)日：2017-01-03
申请号：US13984673
申请日：2012-02-08
申请人： Antti Laukkanen , Jan-Erik Teirfolk , Markus Samuli Nuopponen , Andreas Walther , Olli Ikkala
发明人： Antti Laukkanen , Jan-Erik Teirfolk , Markus Samuli Nuopponen , Andreas Walther , Olli Ikkala
IPC分类号： C08J5/06 , C12P19/04 , D01F2/00 , B82Y30/00 , C08J5/00 , C08J5/04 , C08J5/24 , C08L1/02 , D01D5/06 , D21C5/02 , D21H11/14 , D21H27/10
CPC分类号： D01F2/00 , B82Y30/00 , C08J5/005 , C08J5/045 , C08J5/24 , C08L1/02 , C08L2205/16 , D01D5/06 , D21C5/02 , D21H11/14 , D21H27/10 , Y02W30/648
摘要： Method for fabricating fiber and film products and composites includes: introducing an aqueous gel of nanofibrillar cellulose into a volume of organic extraction agent miscible with water so that the aqueous gel is kept as a separate phase and forms one or several discrete physical entities containing the nanofibrillar cellulose within the phase; changing water with the organic extraction agent in said one or several discrete physical entities of nanofibrillar cellulose; and drying the nanofibrillar cellulose by removing the organic extraction agent from the one or several discrete physical entities of nanofibrillar cellulose. In the method the aqueous gel of nanofibrillar cellulose is introduced into the volume of organic extraction agent in the form of one or several elongated elements which form a fiber-like or ribbon-like or film-like product after drying.
摘要翻译：用于制造纤维和薄膜产品和复合材料的方法包括：将纳米纤丝纤维素的水性凝胶引入到与水混溶的一定体积的有机萃取剂中，使得水凝胶保持为分离相，并形成一个或多个离散物理实体，其含有纳米纤维相中的纤维素; 在纳米纤维素纤维素的一个或几个离散物理实体中用有机萃取剂改变水; 并通过从纳米纤维素纤维素的一个或多个离散物理实体去除有机萃取剂来干燥纳米纤维素纤维素。在该方法中，将纳米纤丝纤维素的水性凝胶以一种或多种细长元件的形式引入有机萃取剂的体积中，其在干燥后形成纤维状或带状或薄膜状产品。

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