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1. 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。

2. 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。

3. 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。

4. 发明申请

WO2008084116A2 METHOD FOR OPERATING A HEARING DEVICE 审中-公开
标题翻译：操作听力装置的方法
公开(公告)号：WO2008084116A2
公开(公告)日：2008-07-17
申请号：PCT/EP2008/053666
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：一种用于操作听力设备的方法，所述听力设备包括用于将所述输入变换器（1）的输出信号处理为输入信号的输入变换器（1），输出变换器（3）和信号处理单元（2），以公开了通过将传递函数应用于输入变换器（1）的输出信号来获得输出变换器（3）的输入信号。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，对输出所述至少两个分类专家（E1，...，Ek）通过权重向量（w）以获得分类器输出（co），根据所述分类器输出（co）调整所述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），并根据用户更新权重矢量（w）和/或至少两个分类专家之一（E1，...，Ek）反馈（uf）。

5. 发明申请

WO2008031901A1 METHOD OF OPERATING A HEARING DEVICE AND A HEARING DEVICE 审中-公开
标题翻译：操作听觉设备和听觉设备的方法
公开(公告)号：WO2008031901A1
公开(公告)日：2008-03-20
申请号：PCT/EP2007/062767
申请日：2007-11-23
申请人： PHONAK AG , FEILNER, Manuela , BRUECKNER, Andrea , KORL, Sascha
发明人： FEILNER, Manuela , BRUECKNER, Andrea , KORL, Sascha
IPC分类号： H04R25/00
CPC分类号： H04R25/43 , H04R25/554
摘要： A method of operating a hearing device is disclosed, the method comprising the steps of : sensing an acoustic signal and providing an input acoustic signal, sensing a magnetic signal and providing a input magnetic signal, selecting one of the input acoustic signal and the input magnetic signal as an information signal, wherein the input magnetic signal or the input acoustic signal is selected as the information signal after a signal detection process has determined a probability being above a preset value, said probability being indicative of a presence of audio information in the input magnetic signal or the input acoustic signal, respectively, and processing the information signal and providing an output signal to a user of the hearing device. In addition, corresponding hearing devices are also disclosed.
摘要翻译：公开了一种操作听力装置的方法，所述方法包括以下步骤：感测声信号并提供输入声信号，感测磁信号并提供输入磁信号，选择输入声信号和输入磁信号之一信号作为信息信号，其中在信号检测处理已经确定高于预设值的概率之后，将输入磁信号或输入声信号选择为信息信号，所述概率表示在输入中存在音频信息磁信号或输入声信号，并且处理信息信号并向听力设备的用户提供输出信号。此外，还公开了相应的听力装置。

6. 发明申请

WO2007125132A2 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：WO2007125132A2
公开(公告)日：2007-11-08
申请号：PCT/EP2007/054942
申请日：2007-05-22
申请人： PHONAK AG , KORL, Sascha
发明人： KORL, Sascha
IPC分类号： H04R25/00
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）。

7. 发明授权

EP2165567B1 METHOD FOR FEEDBACK CANCELLING IN A HEARING DEVICE AND A HEARING DEVICE 有权
标题翻译：听力装置中的反馈消除方法和听力装置
公开(公告)号：EP2165567B1
公开(公告)日：2010-10-06
申请号：EP07729381.9
申请日：2007-05-22
申请人： Phonak AG
发明人： KORL, Sascha
IPC分类号： H04R25/00
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：公开了用于取消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）定义听力装置的输入信号（12）和输出信号 13'）的听力装置。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）的声音定义的外部反馈路径（11）的外部传递函数（21）;估计输入信号 '），其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）的反馈分量传递函数（21）的外部反馈路径（11）。

8. 发明公开

EP2165567A2 METHOD FOR FEEDBACK CANCELLING IN A HEARING DEVICE AND A HEARING DEVICE 有权
标题翻译：方法反馈消除助听器和助听器
公开(公告)号：EP2165567A2
公开(公告)日：2010-03-24
申请号：EP07729381.9
申请日：2007-05-22
申请人： Phonak AG
发明人： KORL, Sascha
IPC分类号： H04R25/00
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).

9. 发明公开

EP2016799A1 HEARING SYSTEM AND METHOD IMPLEMENTING BINAURAL NOISE REDUCTION PRESERVING INTERAURAL TRANSFER FUNCTIONS 审中-公开
标题翻译：听力和方法，维护两耳间的传递函数实现双声道降噪
公开(公告)号：EP2016799A1
公开(公告)日：2009-01-21
申请号：EP07728920.5
申请日：2007-05-09
申请人： Phonak AG
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.

10. 发明授权

EP2238592B1 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：EP2238592B1
公开(公告)日：2012-03-28
申请号：EP08708714.4
申请日：2008-02-05
申请人： Phonak AG
发明人： DERLETH, Ralph Peter , SCHUSTER, Guido , ANSORGE, Reto , GERBER, Res , KORL, Sascha
IPC分类号： G10L21/02 , H04R3/00
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.

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