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1. 发明公开

EP2238592A2 METHOD FOR REDUCING NOISE IN AN INPUT SIGNAL OF A HEARING DEVICE AS WELL AS A HEARING DEVICE 有权
标题翻译：一种用于减少噪音的输入助听器和助听器
公开(公告)号：EP2238592A2
公开(公告)日：2010-10-13
申请号：EP08708714.4
申请日：2008-02-05
申请人： Phonak AG , Korl, Sascha
发明人： DERLETH, Ralph Peter , SCHUSTER, Guido , ANSORGE, Reto , GERBER, Res
IPC分类号： G10L21/02
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R3/005 , H04R3/007
摘要： A method for reducing noise in an input signal (110) of a hearing device comprising a transfer function (H) as well as a hearing device is disclosed. The method comprises the steps of : - capturing first and second acoustic signals by first and second acoustic-electric converters (1, 2), - providing first and second input signals (110, 311) by the first and the second acoustic-electric converters (1, 2), - deriving an information signal (410) by using the first and the second input signals (110, 311), - deriving an information signal estimate (S) from the information signal (410), - deriving a noise signal (411) by using the first and the second input signals (110, 311), - deriving a noise signal estimate (N) from the noise signal (411), - generating instantaneous coefficients (412, 312) for the transfer function (H) by using the information signal estimate (S) and the noise signal estimate (N), - applying the transfer function (H) to the first input signal (110) or to a processed first input signal (410) generating an output signal (111), and - feeding the output signal (111) to an electro-acoustic converter (5) of the hearing device.

2. 发明申请

WO2008084116A3 METHOD FOR OPERATING A HEARING DEVICE 审中-公开
标题翻译：操作听觉设备的方法
公开(公告)号：WO2008084116A3
公开(公告)日：2009-03-12
申请号：PCT/EP2008053666
申请日：2008-03-27
申请人： PHONAK AG , BUHMANN JOACHIM M , KORL SASCHA , MOH YVONNE , ORBANZ PETER
发明人： BUHMANN JOACHIM M , KORL SASCHA , MOH YVONNE , ORBANZ PETER
IPC分类号： H04R25/00
CPC分类号： H04R25/43 , H04R25/505 , H04R25/70 , H04R2225/41
摘要： A method for operating a hearing device comprising an input transducer (1), an output transducer (3) and a signal processing unit (2) for processing an output signal of the input transducer (1) to obtain an input signal for the output transducer (3) by applying a transfer function to the output signal of the input transducer (1) is disclosed. The method comprises the steps of : extracting features (fv) of the output signal of the input transducer (1), classifying the extracted features (fv) by at least two classifying experts (El,.., Ek), weighting the outputs of the at least two classifying experts (El,..., Ek) by a weight vector (w) in order to obtain a classifier output (co), adjusting at least some parameters of the transfer function in accordance with the classifier output (co), monitoring a user feedback (uf) that is received by the hearing device, and updating the weight vector (w) and/or one of the at least two classifying experts (El,..., Ek) in accordance with the user feedback (uf).
摘要翻译：一种用于操作听力装置的方法，包括输入换能器（1），输出换能器（3）和用于处理输入换能器（1）的输出信号的信号处理单元（2），以获得输出换能器的输入信号（3）通过对输入变换器（1）的输出信号施加传递函数。该方法包括以下步骤：提取输入换能器（1）的输出信号的特征（fv），由至少两个分类专家（E1，...，Ek）对提取的特征（fv）进行分类，对所述至少两个分类专家（El，...，Ek）通过权重向量（w）以获得分类器输出（co），根据分类器输出（co）调整传递函数的至少一些参数），监视由听力设备接收的用户反馈（uf），以及根据用户更新权重向量（w）和/或至少两个分类专家（E1，...，Ek）中的一个反馈（uf）。

3. 发明申请

WO2008065209A3 METHOD FOR DETERMINING A MAXIMUM GAIN IN A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：用于确定听觉设备中作为听觉设备的最大增益的方法
公开(公告)号：WO2008065209A3
公开(公告)日：2008-12-04
申请号：PCT/EP2008050701
申请日：2008-01-22
申请人： PHONAK AG , KORL SASCHA , KUHN LUKAS
发明人： KORL SASCHA , KUHN LUKAS
IPC分类号： H04R25/00
CPC分类号： H04R25/453
摘要： A method for determining a maximum gain is disclosed that is applicable in a forward signal path starting at a microphone (1) and ending at a receiver (11) of a hearing device, the maximum gain being a gain value at which just no feedback occurs. The method comprising the steps of estimating an estimated feedback transfer function (F') characterizing a feedback signal path (15) starting at a receiver (11) and ending at a microphone (1) of the hearing device, while the hearing device is inserted into an ear of a hearing device user, and adapting the estimated feedback transfer function (F') as a result of a changing feedback signal path (15) by applying an adaptive algorithm. The invention is characterized by determining the maximum gain from the estimated feedback transfer function (F'), in particular by coefficients of the estimated feedback transfer function.
摘要翻译：公开了一种用于确定最大增益的方法，其适用于从麦克风（1）开始并在听力设备的接收机（11）处结束的前向信号路径，最大增益是仅发生反馈的增益值。该方法包括以下步骤：在接收器（11）处开始表征反馈信号路径（15）的估计反馈传递函数（F'），并且在听觉设备被插入的同时在听力设备的麦克风（1）处结束进入听力设备用户的耳朵，并且通过应用自适应算法，作为改变的反馈信号路径（15）的结果来适应所估计的反馈传递函数（F'）。本发明的特征在于从所估计的反馈传递函数（F'）确定最大增益，特别是通过所估计的反馈传递函数的系数。

4. 发明申请

WO2008084116A9 METHOD FOR OPERATING A HEARING DEVICE 审中-公开
标题翻译：操作听觉设备的方法
公开(公告)号：WO2008084116A9
公开(公告)日：2008-08-21
申请号：PCT/EP2008053666
申请日：2008-03-27
申请人： PHONAK AG , BUHMANN JOACHIM M , KORL SASCHA , MOH YVONNE , ORBANZ PETER
发明人： BUHMANN JOACHIM M , KORL SASCHA , MOH YVONNE , ORBANZ PETER
IPC分类号： H04R25/00
CPC分类号： H04R25/43 , H04R25/505 , H04R25/70 , H04R2225/41
摘要： A method for operating a hearing device comprising an input transducer (1), an output transducer (3) and a signal processing unit (2) for processing an output signal of the input transducer (1) to obtain an input signal for the output transducer (3) by applying a transfer function to the output signal of the input transducer (1) is disclosed. The method comprises the steps of : extracting features (fv) of the output signal of the input transducer (1), classifying the extracted features (fv) by at least two classifying experts (El,.., Ek), weighting the outputs of the at least two classifying experts (El,..., Ek) by a weight vector (w) in order to obtain a classifier output (co), adjusting at least some parameters of the transfer function in accordance with the classifier output (co), monitoring a user feedback (uf) that is received by the hearing device, and updating the weight vector (w) and/or one of the at least two classifying experts (El,..., Ek) in accordance with the user feedback (uf).
摘要翻译：一种用于操作听力装置的方法，包括输入换能器（1），输出换能器（3）和用于处理输入换能器（1）的输出信号的信号处理单元（2），以获得输出换能器的输入信号（3）通过对输入变换器（1）的输出信号施加传递函数。该方法包括以下步骤：提取输入换能器（1）的输出信号的特征（fv），由至少两个分类专家（E1，...，Ek）对提取的特征（fv）进行分类，对所述至少两个分类专家（El，...，Ek）通过权重向量（w）以获得分类器输出（co），根据分类器输出（co）调整传递函数的至少一些参数），监视由听力设备接收的用户反馈（uf），以及根据用户更新权重向量（w）和/或至少两个分类专家（E1，...，Ek）中的一个反馈（uf）。

5. 发明申请

WO2008065209A2 METHOD FOR DETERMINING A MAXIMUM GAIN IN A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：用于确定听力装置中的最大增益以及听力装置的方法
公开(公告)号：WO2008065209A2
公开(公告)日：2008-06-05
申请号：PCT/EP2008/050701
申请日：2008-01-22
申请人： PHONAK AG , KORL, Sascha , KUHN, Lukas
发明人： KORL, Sascha , KUHN, Lukas
CPC分类号： H04R25/453
摘要： A method for determining a maximum gain is disclosed that is applicable in a forward signal path starting at a microphone (1) and ending at a receiver (11) of a hearing device, the maximum gain being a gain value at which just no feedback occurs. The method comprising the steps of estimating an estimated feedback transfer function (F') characterizing a feedback signal path (15) starting at a receiver (11) and ending at a microphone (1) of the hearing device, while the hearing device is inserted into an ear of a hearing device user, and adapting the estimated feedback transfer function (F') as a result of a changing feedback signal path (15) by applying an adaptive algorithm. The invention is characterized by determining the maximum gain from the estimated feedback transfer function (F'), in particular by coefficients of the estimated feedback transfer function.
摘要翻译：公开了一种用于确定最大增益的方法，其适用于在麦克风（1）处开始且在听力装置的接收器（11）处开始的前向信号路径，最大增益为在没有反馈的情况下获得增益值。所述方法包括以下步骤：在插入听力装置的同时估计表征反馈信号路径（15）的估计反馈传递函数（F'），所述反馈传递函数表征在接收器（11）处开始并且在听力装置的麦克风（1）处结束的反馈信号路径进入听力设备用户的耳朵，并且通过应用自适应算法，作为改变的反馈信号路径（15）的结果来调整估计的反馈传递函数（F'）。本发明的特征在于，根据估计的反馈传递函数（F'）确定最大增益，特别是通过估计的反馈传递函数的系数确定最大增益。

6. 发明申请

WO2008104446A2 METHOD FOR REDUCING NOISE IN AN INPUT SIGNAL OF A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：用于将听觉设备的输入信号中的噪声降低为听觉设备的方法
公开(公告)号：WO2008104446A2
公开(公告)日：2008-09-04
申请号：PCT/EP2008/051417
申请日：2008-02-05
申请人： PHONAK AG , KORL, Sascha , DERLETH, Ralph Peter , SCHUSTER, Guido , ANSORGE, Reto , GERBER, Res
发明人： DERLETH, Ralph Peter , SCHUSTER, Guido , ANSORGE, Reto , GERBER, Res
IPC分类号： G10L21/02
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R3/005 , H04R3/007
摘要： A method for reducing noise in an input signal (110) of a hearing device comprising a transfer function (H) as well as a hearing device is disclosed. The method comprises the steps of : - capturing first and second acoustic signals by first and second acoustic-electric converters (1, 2), - providing first and second input signals (110, 311) by the first and the second acoustic-electric converters (1, 2), - deriving an information signal (410) by using the first and the second input signals (110, 311), - deriving an information signal estimate (S) from the information signal (410), - deriving a noise signal (411) by using the first and the second input signals (110, 311), - deriving a noise signal estimate (N) from the noise signal (411), - generating instantaneous coefficients (412, 312) for the transfer function (H) by using the information signal estimate (S) and the noise signal estimate (N), - applying the transfer function (H) to the first input signal (110) or to a processed first input signal (410) generating an output signal (111), and - feeding the output signal (111) to an electro-acoustic converter (5) of the hearing device.
摘要翻译：公开了一种用于降低包括传递函数（H）和听力设备的听力设备的输入信号（110）中的噪声的方法。该方法包括以下步骤： - 通过第一和第二声 - 电转换器（1,2）捕获第一和第二声信号， - 由第一和第二声 - 电转换器提供第一和第二输入信号（110,311）（1,2）， - 通过使用所述第一和第二输入信号（110,311）导出信息信号（410）， - 从所述信息信号（410）导出信息信号估计（S）， - 导出噪声信号（411）， - 从噪声信号（411）导出噪声信号估计（N）， - 产生用于传递函数的瞬时系数（412,312）（411,312）通过使用信息信号估计（S）和噪声信号估计（N）， - 将传递函数（H）应用于第一输入信号（110）或处理的产生输出信号的第一输入信号（410）（111），并且将输出信号（111）馈送到听力偏差的电声转换器（5） CE。

7. 发明申请

WO2007125132A3 METHOD FOR FEEDBACK CANCELLING IN A HEARING DEVICE AND A HEARING DEVICE 审中-公开
标题翻译：用于在听觉设备中取消消息的方法和听觉设备
公开(公告)号：WO2007125132A3
公开(公告)日：2008-04-10
申请号：PCT/EP2007054942
申请日：2007-05-22
申请人： PHONAK AG , KORL SASCHA
发明人： KORL SASCHA
IPC分类号： H04R25/00 , H04R3/02
CPC分类号： H04R25/453 , H04R3/02
摘要： A method and a hearing device for cancelling or preventing feedback are disclosed. The hearing device comprises a microphone (1), a transfer function (2) and a receiver (3), wherein the transfer function (2) defines relation between an input signal (12) of the hearing device and an output signal (13, 13') of the hearing device. The method according to the present invention comprises the steps of estimating an external transfer function (21) of an external feedback path (11) defined by sound traveling from the receiver (3) to the microphone (1), estimating the input signal (12') having no feedback components of the external feedback path (11) using an auxiliary signal (15), which does not comprise feedback components of the external feedback path (11), and using the estimated input signal (14) for estimating the external transfer function (21) of the external feedback path (11).
摘要翻译：公开了一种消除或防止反馈的方法和听力装置。听力装置包括麦克风（1），传递函数（2）和接收器（3），其中传递函数（2）定义了听力设备的输入信号（12）与输出信号（13， 13'）。根据本发明的方法包括以下步骤：估计由从接收器（3）传播到麦克风（1）的声音限定的外部反馈路径（11）的外部传递函数（21），估计输入信号使用不包括外部反馈路径（11）的反馈分量的辅助信号（15），并且使用估计的输入信号（14）来估计外部反馈路径（11）的外部反馈路径（11）的反馈分量外部反馈路径（11）的传递函数（21）。

8. 发明申请

WO2010040863A2 A METHOD FOR OPERATING A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：一种用于操作听觉设备的方法，作为听觉设备
公开(公告)号：WO2010040863A2
公开(公告)日：2010-04-15
申请号：PCT/EP2010/050429
申请日：2010-01-15
申请人： PHONAK AG , BRÜCKNER, Andrea , KORL, Sascha , CERNY, Robert
发明人： BRÜCKNER, Andrea , KORL, Sascha , CERNY, Robert
IPC分类号： H04R25/00
CPC分类号： H04R25/453
摘要： A method for operating a hearing device comprising the steps of generating an input signal (5) of an acoustic signal (3) by an input transducer (1), generating an output signal (7) by applying a gain function (G) to the input signal (5) or a corrected input signal (6), generating an acoustic output signal (4) of the output signal (7) by an output transducer (2), estimating a feedback transfer function (F') describing an acoustic feedback path (10) from the output transducer (2) to the input transducer (1), taking into account the corrected input signal (6), the output signal (7) and an adapting speed (v), generating an estimated feedback signal (9) by applying the output signal (7) to the estimated feedback transfer function (F'), subtracting the estimated feedback signal (9) from the input signal (5) to obtain the corrected input signal (6), and adjusting the adapting speed (v) for adapting the estimated feedback transfer function (F') to changing feedback conditions.
摘要翻译：一种用于操作听力设备的方法，包括以下步骤：通过输入换能器（1）产生声学信号（3）的输入信号（5）;通过将增益函数（G）施加到输入信号（5）或校正输入信号（6），通过输出变换器（2）产生输出信号（7）的声输出信号（4），估计描述声反馈的反馈传递函数（F'）考虑校正的输入信号（6），输出信号（7）和适应速度（v），产生估计的反馈信号（10），从输出变换器（2）到输入变换器（1）的路径（10）通过将输出信号（7）应用于估计的反馈传递函数（F'），从输入信号（5）中减去估计反馈信号（9）以获得校正的输入信号（6），并且调整适应速度（v）用于使估计的反馈传递函数（F'）适应于改变的反馈条件。

9. 发明申请

WO2008104446A3 METHOD FOR REDUCING NOISE IN AN INPUT SIGNAL OF A HEARING DEVICE AS WELL AS A HEARING DEVICE 审中-公开
标题翻译：用于降低听力装置的输入信号中的噪声以及听力装置的方法
公开(公告)号：WO2008104446A3
公开(公告)日：2008-10-16
申请号：PCT/EP2008051417
申请日：2008-02-05
申请人： PHONAK AG , KORL SASCHA , DERLETH RALPH PETER , SCHUSTER GUIDO , ANSORGE RETO , GERBER RES
发明人： DERLETH RALPH PETER , SCHUSTER GUIDO , ANSORGE RETO , GERBER RES
IPC分类号： G10L21/02 , G10L21/0208 , G10L21/0216
CPC分类号： G10L21/0208 , G10L2021/02165 , H04R3/005 , H04R3/007
摘要： A method for reducing noise in an input signal (110) of a hearing device comprising a transfer function (H) as well as a hearing device is disclosed. The method comprises the steps of : - capturing first and second acoustic signals by first and second acoustic-electric converters (1, 2), - providing first and second input signals (110, 311) by the first and the second acoustic-electric converters (1, 2), - deriving an information signal (410) by using the first and the second input signals (110, 311), - deriving an information signal estimate (S) from the information signal (410), - deriving a noise signal (411) by using the first and the second input signals (110, 311), - deriving a noise signal estimate (N) from the noise signal (411), - generating instantaneous coefficients (412, 312) for the transfer function (H) by using the information signal estimate (S) and the noise signal estimate (N), - applying the transfer function (H) to the first input signal (110) or to a processed first input signal (410) generating an output signal (111), and - feeding the output signal (111) to an electro-acoustic converter (5) of the hearing device.
摘要翻译：公开了一种用于降低包括传递函数（H）的听力设备的输入信号（110）中的噪声的方法以及听力设备。该方法包括以下步骤： - 通过第一和第二声电转换器（1,2）捕获第一和第二声信号， - 通过第一和第二声电转换器（1,2）提供第一和第二输入信号（110,311）（1,2）， - 通过使用第一和第二输入信号（110,311）导出信息信号（410）， - 从信息信号（410）导出信息信号估计（S）， - 导出噪声通过使用所述第一和所述第二输入信号（110,311），从所述噪声信号（411）导出噪声信号估计（N）， - 生成所述传递函数（412,312）的瞬时系数（412,312）通过使用信息信号估计（S）和噪声信号估计（N），将传递函数（H）施加到第一输入信号（110）或施加到经处理的第一输入信号（410）（111），以及 - 将输出信号（111）馈送到听力装置的电声转换器（5） CE。

10. 发明申请

WO2007128825A1 HEARING SYSTEM AND METHOD IMPLEMENTING BINAURAL NOISE REDUCTION PRESERVING INTERAURAL TRANSFER FUNCTIONS 审中-公开
标题翻译：听觉系统和方法实现保护间隔传递函数的减少噪声
公开(公告)号：WO2007128825A1
公开(公告)日：2007-11-15
申请号：PCT/EP2007/054468
申请日：2007-05-09
申请人： PHONAK AG , DOCLO, Simon , KLASEN, J Thomas , MOONEN, Marc , VAN DEN BOGAERT, Tim , WOUTERS, Jan , DERLETH, Ralph Peter , KORL, Sascha
发明人： DOCLO, Simon , KLASEN, J Thomas , MOONEN, Marc , VAN DEN BOGAERT, Tim , WOUTERS, Jan , DERLETH, Ralph Peter , KORL, Sascha
IPC分类号： H04R25/00
CPC分类号： H04R25/552 , H04R25/407 , H04R25/453 , H04R25/554 , H04R25/558
摘要： The binaural hearing system (1) comprises -ITF means (3a; 3b) for providing at least one interaural transfer function (30a;30b); - noise reduction means (5a; 5b) for performing noise reduction in dependence of said at least one interaural transfer function. The method of operating a binaural hearing system (1) comprises the steps of -providing at least one interaural transfer function (30a; 30b); -performing noise reduction in dependence of said at least one interaural transfer function. Preferably, said noise reduction means (5a; 5b) comprises two binaural Wiener filters (5a, 5b) each having a cost function comprising at least one term describing a desired interaural transfer function, wherein said at least one interaural transfer function provided by said ITF means (3a, 3b) is assigned to said at least one term. Preferably, said cost function comprises a speech distortion term, a residual noise term and two ITF terms for preserving the interaural transfer functions of speech and noise components. This allows to preserve binaural cues while reducing noise.
摘要翻译：双耳听力系统（1）包括用于提供至少一个耳间传递功能（30a; 30b）的-ITF装置（3a; 3b） - 噪声降低装置（5a; 5b），用于根据所述至少一个耳间传递函数执行降噪。操作双耳听力系统（1）的方法包括以下步骤：提供至少一个耳间传递函数（30a; 30b）; - 根据所述至少一个耳间传递函数执行降噪。优选地，所述噪声降低装置（5a; 5b）包括两个双耳维纳滤波器（5a，5b），每个具有成本函数的成本函数包括描述期望的耳间传递函数的至少一个项，其中由所述ITF提供的所述至少一个耳间传递函数将所述至少一个术语指定为（3a，3b）。优选地，所述成本函数包括语音失真项，残留噪声项和用于保持语音和噪声分量的耳间传递函数的两个ITF项。这允许保留双耳线索，同时减少噪音。

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