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1. 发明申请

WO2012110614A1 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2012110614A1
公开(公告)日：2012-08-23
申请号：PCT/EP2012/052718
申请日：2012-02-16
申请人： SKYPE , SORENSEN, Karsten Vandborg , PENA, Jesus de Vicente
发明人： SORENSEN, Karsten Vandborg , PENA, Jesus de Vicente
IPC分类号： G10L21/02 , H04M9/08
CPC分类号： G10L21/0208
摘要： A method of reducing noise in a signal received at a processing stage of an acoustic system, the method comprising, at the processing stage: identifying at least one frequency at which a system gain of the acoustic system is above an average system gain of the acoustic system; providing a noise attenuation factor for reducing noise in the signal for the at least one frequency, the noise attenuation factor for the at least one frequency based on the system gain for that frequency; and applying the noise attenuation factor to a component of the signal at that frequency.
摘要翻译：一种减少在声学系统的处理阶段接收的信号中的噪声的方法，所述方法包括：在所述处理阶段：识别所述声学系统的系统增益为的至少一个频率高于声学系统的平均系统增益; 提供用于降低所述至少一个频率的信号中的噪声的噪声衰减因子，所述至少一个频率的噪声衰减因子基于该频率的系统增益; 并将噪声衰减因子应用于该频率下的信号分量。

2. 发明申请

WO2012160035A3 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2012160035A3
公开(公告)日：2013-05-02
申请号：PCT/EP2012059400
申请日：2012-05-21
申请人： SKYPE , SORENSEN KARSTEN VANDBORG , BERGENHEIM JON
发明人： SORENSEN KARSTEN VANDBORG , BERGENHEIM JON
IPC分类号： H03G3/30 , H04M1/60
CPC分类号： H03G3/3089 , H04M1/6008 , H04M1/6016
摘要： A method of processing an audio signal transmitted from a remote transmitter and received at a local receiver of an acoustic system, includes at the receiver receiving with the audio signal an indication of remote transmitter gain, determining an overall system gain of the acoustic system from the remote transmitter gain and a local receiver gain and selectively applying a system gain reduction step to the audio signal if it is determined that the overall system gain exceeds a threshold.
摘要翻译：一种处理从远程发射机发送并在声学系统的本地接收机处接收的音频信号的方法包括在接收机处接收与音频信号相关的远程发射机增益的指示，从该系统的整体系统增益确定远程发射机增益和本地接收机增益，并且如果确定整个系统增益超过阈值，则选择性地将系统增益降低步骤应用于音频信号。

3. 发明申请

WO2012160035A2 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2012160035A2
公开(公告)日：2012-11-29
申请号：PCT/EP2012/059400
申请日：2012-05-21
申请人： SKYPE , SORENSEN, Karsten Vandborg , BERGENHEIM, Jon
发明人： SORENSEN, Karsten Vandborg , BERGENHEIM, Jon
IPC分类号： H03G3/30 , H04M1/60
CPC分类号： H03G3/3089 , H04M1/6008 , H04M1/6016
摘要： A method of processing an audio signal transmitted from a remote transmitter and received at a local receiver of an acoustic system, includes at the receiver receiving with the audio signal an indication of remote transmitter gain, determining an overall system gain of the acoustic system from the remote transmitter gain and a local receiver gain and selectively applying a system gain reduction step to the audio signal if it is determined that the overall system gain exceeds a threshold.
摘要翻译：一种处理从远程发射机发送并在声学系统的本地接收机处接收的音频信号的方法包括在接收机处接收与音频信号相关的远程发射机增益的指示，从该系统的整体系统增益确定远程发射机增益和本地接收机增益，并且如果确定整个系统增益超过阈值，则选择性地将系统增益降低步骤应用于音频信号。

4. 发明申请

WO2014019596A2 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2014019596A2
公开(公告)日：2014-02-06
申请号：PCT/EP2012/059937
申请日：2012-05-28
申请人： SKYPE , SORENSEN, Karsten Vandborg
发明人： SORENSEN, Karsten Vandborg
CPC分类号： H03G3/3005 , H03G3/3089 , H04L12/1827 , H04R3/005 , H04R2499/11
摘要： A method, user device and computer program product for processing audio signals during a communication session between a user device and a remote node. The method comprising: receiving a plurality of audio signals at audio input means at the user device including at least one primary audio signal and unwanted signals; receiving direction of arrival information of the audio signals at a gain control means; providing to the gain control means known direction of arrival information representative of at least some of said unwanted signals; processing the audio signals at the gain control means by applying a level of gain to generate a gain controlled signal for transmission to the remote node, wherein the level of gain applied is dependent on a comparison between the direction of arrival information of the audio signals and the known direction of arrival information.
摘要翻译：一种用于在用户设备和远程节点之间的通信会话期间处理音频信号的方法，用户设备和计算机程序产品。该方法包括：在包括至少一个主音频信号和不需要的信号的用户设备的音频输入装置处接收多个音频信号; 在增益控制装置处接收音频信号的到达方向信息; 向所述增益控制装置提供表示至少一些所述不需要的信号的已知的到达方向信息; 通过施加增益水平来处理增益控制装置处的音频信号以产生用于传输到远程节点的增益控制信号，其中所施加的增益水平取决于音频信号的到达方向信息与已知的到达方向信息。

5. 发明申请

WO2008102207A3 METHOD OF ESTIMATING NOISE LEVELS IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：通信系统中噪声水平的估算方法
公开(公告)号：WO2008102207A3
公开(公告)日：2008-10-30
申请号：PCT/IB2007004498
申请日：2007-12-20
申请人： SKYPE LTD , VOS KOEN , SORENSEN KARSTEN VANDBORG , BERGENHEIM JON
发明人： VOS KOEN , SORENSEN KARSTEN VANDBORG , BERGENHEIM JON
IPC分类号： G10L21/02 , G10L21/0208 , G10L21/0232
CPC分类号： G10L21/0208 , G10L21/0232
摘要： A method of estimating noise in data containing voice information and noise comprising the steps of receiving the data as a sequence of input values; transforming the data by applying a first non linear mapping to the input values wherein the derivative function of the mapping decreases in magnitude as the input values increase in magnitude smoothing the transformed data; and transforming the smoothed transformed data by applying a second non linear mapping that is opposite to the first non linear mapping, to determine an estimate of the noise in the inputted data.
摘要翻译：一种估计包含语音信息和噪声的数据中的噪声的方法，包括以下步骤：接收作为输入值序列的数据; 通过对输入值应用第一非线性映射来变换数据，其中随着输入值在幅度平滑变换的数据中映射的导数函数在幅度上减小; 以及通过应用与第一非线性映射相反的第二非线性映射来变换平滑的变换数据以确定输入数据中的噪声的估计。

6. 发明申请

WO2008102207A2 METHOD OF ESTIMATING NOISE LEVELS IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：在通信系统中估计噪声水平的方法
公开(公告)号：WO2008102207A2
公开(公告)日：2008-08-28
申请号：PCT/IB2007/004498
申请日：2007-12-20
申请人： SKYPE LIMITED , VOS, Koen , SORENSEN, Karsten, Vandborg , BERGENHEIM, Jon
发明人： VOS, Koen , SORENSEN, Karsten, Vandborg , BERGENHEIM, Jon
IPC分类号： G10L21/02
CPC分类号： G10L21/0208 , G10L21/0232
摘要： A method of estimating noise in data containing voice information and noise comprising the steps of receiving the data as a sequence of input values; transforming the data by applying a first non linear mapping to the input values wherein the derivative function of the mapping decreases in magnitude as the input values increase in magnitude smoothing the transformed data; and transforming the smoothed transformed data by applying a second non linear mapping that is opposite to the first non linear mapping, to determine an estimate of the noise in the inputted data.
摘要翻译：一种在包含语音信息和噪声的数据中估计噪声的方法，包括以下步骤：接收数据作为输入值序列; 通过对输入值应用第一非线性映射来变换数据，其中映射的导数函数随着输入值在幅度上增加而平滑化变换后的数据; 以及通过应用与第一非线性映射相反的第二非线性映射来变换平滑变换的数据，以确定输入数据中噪声的估计。

7. 发明申请

WO2012110614A4 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2012110614A4
公开(公告)日：2012-11-08
申请号：PCT/EP2012052718
申请日：2012-02-16
申请人： SKYPE , SORENSEN KARSTEN VANDBORG , PENA JESUS DE VICENTE
发明人： SORENSEN KARSTEN VANDBORG , PENA JESUS DE VICENTE
IPC分类号： G10L21/0208 , H04M9/08
CPC分类号： G10L21/0208
摘要： A method of reducing noise in a signal received at a processing stage of an acoustic system, the method comprising, at the processing stage: identifying at least one frequency at which a system gain of the acoustic system is above an average system gain of the acoustic system; providing a noise attenuation factor for reducing noise in the signal for the at least one frequency, the noise attenuation factor for the at least one frequency based on the system gain for that frequency; and applying the noise attenuation factor to a component of the signal at that frequency.
摘要翻译：一种降低在声学系统的处理阶段接收的信号中的噪声的方法，所述方法包括：在处理阶段：识别声学系统的系统增益高于声学系统的平均系统增益的至少一个频率系统; 提供用于减少所述至少一个频率的所述信号中的噪声的噪声衰减因子，所述噪声衰减因子是基于所述频率的系统增益的所述至少一个频率的噪声衰减因子; 以及将噪声衰减因子应用于该频率处的信号分量。

8. 发明申请

WO2010079165A1 SPEECH ENCODING 审中-公开
标题翻译：语音编码
公开(公告)号：WO2010079165A1
公开(公告)日：2010-07-15
申请号：PCT/EP2010/050053
申请日：2010-01-05
申请人： SKYPE LIMITED , VOS, Koen, Bernard , SORENSEN, Karsten, Vandborg , JENSEN, Soren, Skak
发明人： VOS, Koen, Bernard , SORENSEN, Karsten, Vandborg , JENSEN, Soren, Skak
IPC分类号： G10L19/06
CPC分类号： G10L19/07 , G10L19/06 , G10L25/24
摘要： A method, system and program for encoding and decoding speech according to a source-filter model whereby speech is modelled to comprise a source signal filtered by a time-varying filter. The method comprises: receiving a speech signal comprising successive frames, for each of a plurality of frames of the speech signal, deriving a first line spectral frequency vector for a first portion of the frame, and a second line spectral frequency vector for a second portion of the frame, and determining a transmit line spectral frequency vector and an interpolation factor based on the first and second line spectral frequency vectors, and on the transmit line spectral frequency vector for a preceding one of the frames.
摘要翻译：一种用于根据源滤波器模型对语音进行编码和解码的方法，系统和程序，由此语音被建模为包括由时变滤波器滤波的源信号。该方法包括：对于语音信号的多个帧中的每一个，接收包括连续帧的语音信号，导出该帧的第一部分的第一线谱频率向量，以及用于第二部分的第二线谱频率向量并且基于第一和第二线谱频率矢量以及对于前一帧的发射线谱频率矢量确定发射线谱频率矢量和内插因子。

9. 发明申请

WO2008148591A1 METHOD OF TRANSMITTING DATA IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：在通信系统中传输数据的方法
公开(公告)号：WO2008148591A1
公开(公告)日：2008-12-11
申请号：PCT/EP2008/053688
申请日：2008-03-27
申请人： SKYPE LIMITED , BEVIN, Michael , SORENSEN, Karsten Vandborg , VARANDA, Antonio , LOUREIRO, Tiago
发明人： BEVIN, Michael , SORENSEN, Karsten Vandborg , VARANDA, Antonio , LOUREIRO, Tiago
IPC分类号： H04M3/56 , G10L11/02
CPC分类号： H04M3/56 , G10L25/78 , H04M3/2236 , H04M3/565 , H04M3/569 , H04M7/006
摘要： A method of transmitting a combined audio signal to at least one of a plurality of participants in a communication event comprising; receiving an audio signal from each of said plurality of participants together with audio activity information associated with each of said received audio signals;analysing a measure of audio activity for each received audio signal based on the audio activity information associated with each of said received signals, wherein said measure of audio activity allows audio signals comprising audio activity to be compared; selecting a set of audio signals from said received audio signals based on the analysed measure of audio activity for each signal; decoding said set of audio signals; and combining said set of audio signals to generate said combined audio signal to be transmitted to said at least one of said plurality of participants.
摘要翻译：一种将组合音频信号发送到通信事件中的多个参与者中的至少一个的方法，包括：从所述多个参与者中的每一个接收音频信号以及与每个所述接收到的音频信号相关联的音频活动信息;基于与每个所述接收到的信号相关联的音频活动信息，分析每个接收到的音频信号的音频活动的度量，其中所述音频活动的测量允许比较包括音频活动的音频信号; 基于所分析的每个信号的音频活动度量，从所述接收到的音频信号中选择一组音频信号; 解码所述一组音频信号; 以及组合所述一组音频信号以产生要发送到所述多个参与者的所述至少一个参与者的所述组合音频信号。

10. 发明申请

WO2014019596A3 PROCESSING AUDIO SIGNALS 审中-公开
标题翻译：处理音频信号
公开(公告)号：WO2014019596A3
公开(公告)日：2014-04-10
申请号：PCT/EP2012059937
申请日：2012-05-28
申请人： SKYPE , SORENSEN KARSTEN VANDBORG
发明人： SORENSEN KARSTEN VANDBORG
IPC分类号： H04L12/18 , H04R3/00
CPC分类号： H03G3/3005 , H03G3/3089 , H04L12/1827 , H04R3/005 , H04R2499/11
摘要： A method, user device and computer program product for processing audio signals during a communication session between a user device and a remote node. The method comprising: receiving a plurality of audio signals at audio input means at the user device including at least one primary audio signal and unwanted signals; receiving direction of arrival information of the audio signals at a gain control means; providing to the gain control means known direction of arrival information representative of at least some of said unwanted signals; processing the audio signals at the gain control means by applying a level of gain to generate a gain controlled signal for transmission to the remote node, wherein the level of gain applied is dependent on a comparison between the direction of arrival information of the audio signals and the known direction of arrival information.
摘要翻译：一种用于在用户设备和远程节点之间的通信会话期间处理音频信号的方法，用户设备和计算机程序产品。该方法包括：在用户设备处的音频输入装置处接收包括至少一个主音频信号和不需要的信号的多个音频信号; 在增益控制装置处接收音频信号的到达方向信息; 向增益控制装置提供代表至少一些所述不想要的信号的已知的到达方向信息; 通过施加增益水平来处理增益控制装置处的音频信号以生成增益控制信号以发送到远程节点，其中所施加的增益水平取决于音频信号的到达方向信息与已知的到达方向信息。

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