公开(公告)号：EP2790182B1

公开(公告)日：2017-01-11

申请号：EP14169365.5

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Carreras, Ricardo, F. ,  Gauger, Daniel, M.

IPC: G10K11/178

CPC classification number: H04B1/202 ,  G10K11/178 ,  G10K2210/1081 ,  G10K2210/30391 ,  G10K2210/3056 ,  G10K2210/3214 ,  G10K2210/503 ,  H04R1/1016 ,  H04R1/2803 ,  H04R2460/11

Abstract: ANR circuit to provide ANR comprising: a first ADC; a DAC; a first digital filter; a first pathway within the ANR circuit through which digital data representing sounds flows from the first ADC to the DAC through at least said filter at a first data transfer rate through at least part of the first pathway; first and second ANR settings buffers to be alternately employed in configuring first and second ANR settings in synchronization with a transfer of a piece of digital data transferred through at least part of the first pathway at the first data transfer rate; a mask to selectively enable the configuring of one or the other of the first and second ANR settings through alternately employing the first and second ANR settings buffers; and a third ANR settings buffer to store first and second failsafe ANR settings to configure the first and second ANR settings in response to an instance of instability being detected in the ANR circuit.

Abstract translation: ANR电路，用于提供ANR，包括：第一ADC; DAC; 第一个数字滤波器; ANR电路内的第一路径，代表声音的数字数据通过至少所述第一数据传输速率通过至少部分第一路径从第一ADC流向DAC; 第一和第二ANR设置缓冲器被交替地用于配置第一和第二ANR设置，与以第一数据传输速率通过至少部分第一路径传送的数字数据的传输同步; 掩模，用于通过交替使用所述第一和第二ANR设置缓冲器来选择性地启用所述第一和第二ANR设置中的一个或另一个的配置; 以及第三ANR设置缓冲器，用于存储第一和第二故障保护ANR设置以响应于在ANR电路中检测到的不稳定性的实例来配置第一和第二ANR设置。

公开(公告)号：EP2793224B1

公开(公告)日：2016-09-14

申请号：EP14171766.0

申请日：2010-04-26

Applicant: Bose Corporation

Inventor： Carreras, Ricardo, F. ,  Joho, Marcel ,  Gauger, Daniel M.

IPC: G10K11/178

CPC classification number: H04B1/202 ,  G10K11/178 ,  G10K2210/108 ,  G10K2210/1081 ,  G10K2210/3026 ,  G10K2210/30391 ,  G10K2210/3056 ,  G10K2210/3214 ,  G10K2210/503 ,  H04R1/1016 ,  H04R1/2803 ,  H04R2460/11

Abstract: Method of supporting talk-through audio in a personal ANR device providing feedforward-based ANR within a casing of the personal ANR device, comprising: configuring a first plurality of filters in a feedforward-based ANR pathway of a first ANR circuit with a first set of filter coefficients to provide feedforward-based ANR employing a first feedforward microphone coupled to the first ANR circuit to detect environmental sounds in an environment external to the casing and a first acoustic driver coupled to the first ANR circuit to acoustically output feedforward anti-noise sounds to reduce the environmental sounds within the casing; awaiting receipt of an indication of a manually-operable control being operated to enable talk-through; and in response, operating said filters to reduce the degree of feedforward-based ANR provided by said filters to enable human speech sounds in the environment external to the casing to be conveyed from said microphone to the first acoustic driver with less attenuation caused by the provision of feedforward-based ANR by said filters.

公开(公告)号：EP2642481A1

公开(公告)日：2013-09-25

申请号：EP13172772.9

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Carreras, Ricardo, F. ,  Bakalos, Pericles, Nicholas ,  Gauger, Daniel, M. ,  Harlow, Jason

IPC: G10K11/178

CPC classification number: H04B1/202 ,  G10K11/178 ,  G10K2210/1081 ,  G10K2210/30391 ,  G10K2210/3056 ,  G10K2210/3214 ,  G10K2210/503 ,  H04R1/1016 ,  H04R1/2803 ,  H04R2460/11

Abstract: ANR circuit comprising a first VGA to compress a feedforward reference sound represented by a signal output by a feedforward microphone detecting an external noise sound as the feedforward reference sound; a second VGA to compress a feedback reference sound represented by a signal output by a feedback microphone detecting a cavity noise sound within a cavity as the feedback reference sound; a filter to generate a feedforward anti-noise sound from the feedforward reference sound; another filter to generate a feedback anti-noise sound from the feedback reference sound; and a compression controller coupled to the first and second VGAs to operate them to coordinate compression of the feedforward and feedback reference sounds in response to the acoustic energy of the external noise sound reaching a first threshold; the compression controller being structured to operate the first VGA to compress the feedforward reference sound to an increasingly greater degree than the compression controller operates the second VGA to compress the feedback reference sound as the acoustic energy of the external noise sound rises further above the first threshold.

Abstract translation: ANR电路包括第一VGA以压缩由前馈麦克风输出的信号所表示的前馈参考声音，该前馈麦克风检测外部噪声声音作为前馈参考声; 第二VGA，用于压缩由反馈麦克风输出的信号所表示的反馈参考声音，该反馈麦克风检测腔内的空腔噪声声音作为反馈参考声; 滤波器，用于从前馈参考声音产生前馈抗噪声声音; 另一个滤波器，用于从反馈参考声音中产生反馈噪声; 以及耦合到所述第一和第二VGA的压缩控制器，以响应于达到第一阈值的外部噪声声的声能来操作它们来协调所述前馈和反馈参考声音的压缩; 压缩控制器被构造成操作第一VGA以将压缩前馈参考声音的程度越来越大，因为当外部噪声声音的声能进一步高于第一阈值时，压缩控制器操作第二VGA以压缩反馈参考声音 。

公开(公告)号：EP2549775B1

公开(公告)日：2020-09-02

申请号：EP12185842.7

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Joho, Marcel ,  Carreras, Ricardo, F. ,  Gauger, Daniel, M. ,  Burge, Benjamin D.

IPC: H04R1/10 ,  G10K11/178 ,  H04R5/04 ,  H04B1/20 ,  H04R3/00 ,  H03H17/02 ,  H03H17/04 ,  H04M1/05 ,  A61F11/14

公开(公告)号：EP2549775A3

公开(公告)日：2015-02-18

申请号：EP12185842.7

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Joho, Marcel ,  Carreras, Ricardo, F. ,  Gauger, Daniel, M. ,  Burge, Benjamin D.

IPC: H04R1/10 ,  G10K11/178 ,  H04R5/04 ,  H04R3/00 ,  H03H17/02 ,  H03H17/04 ,  H04M1/05

Abstract: Apparatus comprising an ANR circuit comprising: a ADC; a DAC; a processing device; and a storage in which is stored a sequence of instructions causing the processing device to: incorporate a plurality of digital filters of a quantity specified by a first set of ANR settings into a filter block located along a pathway extending from the ADC to the DAC through which digital data associated with providing ANR flows within the ANR circuit; select a type of digital filter specified by a first set S1 of ANR settings for each digital filter; adopt a filter block topology specified by S1 within the filter block by configuring interconnections among each of the digital filters; configure each of the digital filters with filter coefficients specified by S1; set a data transfer rate at which digital data flows through one of the digital filters as specified by S1; cause the ADC, the filter block and the DAC to be operated to provide ANR using reference sounds represented by an analog signal received by ANR circuit through the ADC to derive anti-noise sounds represented by an analog signal output by the ANR circuit through the DAC; change an ANR setting specified by S1 to one specified by a second set of ANR settings in synchronization with a transfer of digital data through at least a portion of the pathway.

公开(公告)号：EP2790182A1

公开(公告)日：2014-10-15

申请号：EP14169365.5

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Carreras, Ricardo, F. ,  Gauger, Daniel, M.

IPC: G10K11/178

CPC classification number: H04B1/202 ,  G10K11/178 ,  G10K2210/1081 ,  G10K2210/30391 ,  G10K2210/3056 ,  G10K2210/3214 ,  G10K2210/503 ,  H04R1/1016 ,  H04R1/2803 ,  H04R2460/11

Abstract: An ANR device comprising: an acoustic driver; an ANR circuit coupled to the acoustic driver to operate the acoustic driver to acoustically output ANR anti-noise sounds to provide ANR adjacent an ear of a user across a range of frequencies having a lower and an upper limit; and a digital filter of the ANR circuit, wherein: the digital filter is configurable with a plurality of coefficients to implement an ANR transform to derive the ANR anti-noise sounds from ANR reference noise sounds; the ANR circuit is configured to repeatedly reconfigure the digital filter with different pluralities of coefficient values at a first recurring interval to reduce the provision of ANR at one of the limits without reducing a magnitude at which the ANR is provided across the entire range of frequencies in response to an event adversely affecting the provision of ANR at the one of the limits; and the ANR circuit is configured to repeatedly reconfigure the digital filter with different pluralities of coefficient values at a second recurring interval to reverse the reduction in the provision of ANR at the one of the limits in response to the event adversely affecting the provision of ANR at the one of the limits having ceased.

Abstract translation: 一种ANR装置，包括：声学驱动器; ANR电路，耦合到声学驱动器以操作声学驱动器以声学地输出ANR抗噪声声音，以在具有下限和上限的频率范围内提供与用户耳朵相邻的ANR; 以及ANR电路的数字滤波器，其中：所述数字滤波器可配置有多个系数以实现ANR变换以从ANR参考噪声声音导出ANR抗噪声声音; ANR电路被配置为以第一重复间隔以不同的多个系数值重新配置数字滤波器，以减少在一个极限处提供ANR，而不会减小在整个频率范围内提供ANR的幅度 对在一个限制下对ANR提供负面影响的事件的回应; 并且ANR电路被配置为以不同的多个系数值以第二重复间隔重复地重新配置数字滤波器，以便在响应于对ANR的提供有不利影响的事件中的一个限制下逆转提供ANR的减少 其中一个限制已经停止。

公开(公告)号：EP2549774B1

公开(公告)日：2020-09-02

申请号：EP12185837.7

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Joho, Marcel ,  Carreras, Ricardo, F. ,  Gauger, Daniel, M. ,  Burge, Benjamin D.

IPC: H04R1/10 ,  G10K11/178 ,  H03H17/02 ,  H03H17/04 ,  A61F11/06 ,  H04M1/05 ,  H04R3/00 ,  H04B1/20 ,  A61F11/14 ,  H04R5/04

公开(公告)号：EP2809084A2

公开(公告)日：2014-12-03

申请号：EP14171626.6

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Carreras, Ricardo, F. ,  Joho, Marcel

IPC: H04R1/10 ,  G10K11/178 ,  H03H17/02 ,  H03H17/04 ,  A61F11/06

CPC classification number: H04B1/202 ,  A61F2011/145 ,  G10K11/17817 ,  G10K11/17881 ,  G10K11/17885 ,  G10K2210/1081 ,  G10K2210/3028 ,  G10K2210/30391 ,  G10K2210/3056 ,  G10K2210/3214 ,  G10K2210/503 ,  H03H17/0286 ,  H03H17/0288 ,  H03H17/0294 ,  H03H17/04 ,  H03H2017/0477 ,  H04M1/05 ,  H04R1/1083 ,  H04R3/005 ,  H04R5/04 ,  H04R2201/107 ,  H04R2205/022 ,  H04R2460/01 ,  H04R2460/03

Abstract: An apparatus for providing ANR, comprising: a first ADC, a second ADC, a DAC; and a dynamically configurable digital signal processor (DSP) configured to: incorporate the first ADC, a first plurality of digital filters of a quantity and type specified by a first set of ANR settings, and the DAC into a first pathway; incorporate the second ADC, a second plurality of digital filters of a quantity and type specified by the first set of ANR settings, and the DAC into a second pathway; configure interconnections among the elements of the first and second pathways so that digital data from the first and second pathways are combined before flowing to the DAC; operate each of the digital filters using filter coefficients specified by the first set of ANR settings; transfer digital data through at least a portion of at least one of the first and second pathways at a data transfer rate specified by the first ANR settings; operate the first and second pathways to provide ANR; and change a parameter specified by the first set of ANR settings to a parameter specified by a second set of ANR settings in synchronization with a transfer of digital data along at least a portion of at least one of the first and second pathways.

Abstract translation: 一种用于提供ANR的装置，包括：第一ADC，第二ADC，DAC; 以及动态可配置的数字信号处理器（DSP），其被配置为：将所述第一ADC，由第一组ANR设置指定的数量和类型的第一多个数字滤波器和所述DAC并入第一路径; 将第二ADC，由第一组ANR设置指定的数量和类型的第二多个数字滤波器和DAC组合成第二路径; 配置第一和第二路径的元件之间的互连，使得来自第一和第二路径的数字数据在流向DAC之前被组合; 使用由第一组ANR设置指定的滤波器系数来操作每个数字滤波器; 以由第一ANR设置指定的数据传送速率传输数字数据通过第一和第二路径中的至少一个的至少一部分; 操作提供ANR的第一和第二路径; 以及沿着所述第一和第二路径中的至少一个路径的至少一部分的数字数据的传送同步地将由所述ANR设置的所述第一组指定的参数改变为由第二组ANR设置指定的参数。

公开(公告)号：EP2549775A2

公开(公告)日：2013-01-23

申请号：EP12185842.7

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Joho, Marcel ,  Carreras, Ricardo, F. ,  Gauger, Daniel, M. ,  Burge, Benjamin D.

IPC: H04R1/10 ,  H04R3/00 ,  G10K11/178 ,  H03H17/02 ,  H03H17/04

Abstract: Apparatus comprising an ANR circuit comprising: a ADC; a DAC; a processing device; and a storage in which is stored a sequence of instructions causing the processing device to: incorporate a plurality of digital filters of a quantity specified by a first set of ANR settings into a filter block located along a pathway extending from the ADC to the DAC through which digital data associated with providing ANR flows within the ANR circuit; select a type of digital filter specified by a first set S1 of ANR settings for each digital filter; adopt a filter block topology specified by S1 within the filter block by configuring interconnections among each of the digital filters; configure each of the digital filters with filter coefficients specified by S1; set a data transfer rate at which digital data flows through one of the digital filters as specified by S1; cause the ADC, the filter block and the DAC to be operated to provide ANR using reference sounds represented by an analog signal received by ANR circuit through the ADC to derive anti-noise sounds represented by an analog signal output by the ANR circuit through the DAC; change an ANR setting specified by S1 to one specified by a second set of ANR settings in synchronization with a transfer of digital data through at least a portion of the pathway.

Abstract translation: 一种包括ANR电路的装置，包括：ADC; DAC; 处理装置; 以及存储器，其中存储指令序列，使得处理设备：将由第一组ANR设置指定的量的多个数字滤波器并入沿着从ADC延伸到DAC的路径定位的滤波器块，该滤波器块通过 与在ANR电路内提供ANR流相关联的数字数据; 选择由每个数字滤波器的ANR设置的第一组S1指定的数字滤波器类型; 通过配置每个数字滤波器之间的互连，采用由滤波器块内的S1指定的滤波器块拓扑; 使用S1指定的滤波器系数配置每个数字滤波器; 设置数据数据流经S1中指定的数字滤波器之一的数据传输速率; 使得ADC，滤波器块和DAC被操作以使用由ANR电路通过ADC接收的模拟信号表示的参考声音来提供ANR，以导出由ANR电路通过DAC输出的模拟信号所表示的抗噪声声音 ; 将由S1指定的ANR设置改变为由第二组ANR设置指定的ANR设置，与通过至少一部分路径传输数字数据同步。

公开(公告)号：EP2549774A2

公开(公告)日：2013-01-23

申请号：EP12185837.7

申请日：2010-04-27

Applicant: Bose Corporation

Inventor： Joho, Marcel ,  Carreras, Ricardo, F. ,  Gauger, Daniel, M. ,  Burge, Benjamin D.

IPC: H04R1/10 ,  H04R3/00 ,  G10K11/178 ,  H03H17/02 ,  H03H17/04

Abstract: Incorporating first/second ADCs A1/A2 of an ANR circuit, first/second pluralities P1/P2 of digital filters of a quantity specified by first/second sets S1/S2 of ANR settings, and DACs into first/second pathways Pa1/Pa2; selecting a type of digital filter specified by S1 for each digital filter of P1/P2; adopting a signal processing topology specified by S1 by configuring interconnections among at least A1/A2, P1/P2 and the DAC so that digital data representing sounds flows through Pa1 from A1 to the DAC through at least P1; digital data representing sounds flows through Pa2 from A2 to the DAC through at least P2; Pa1/Pa2 are combined at first/second locations along Pa1/Pa2 such that the digital data are combined before flowing to the DAC; configuring each digital filter with filter coefficients specified by S1; setting a data transfer rate at which digital data flows through at least a portion of Pa1/Pa2 as specified by S1; operating A1/A2, P1/P2 and the DAC to provide ANR in the earpiece; changing an ANR setting specified by S1 to one specified by S2 in synchronization with a transfer of digital data along at least a portion of Pa1/Pa2; monitoring a characteristic of a sound represented by digital data; wherein changing an ANR setting occurs in response to a change in the characteristic, changing an interconnection of the signal processing topology defined by S1, a selection of a digital filter specified by S1, a filter coefficient specified by the S1, and a data transfer rate specified by S1.

Abstract translation: 结合ANR电路的第一/第二ADC A1 / A2，由第一/第二组ANR设置的S1 / S2设定的量的数字滤波器的第一/第二多个P1 / P2和DAC到第一/第二通路Pa1 / Pa2; 为P1 / P2的每个数字滤波器选择由S1指定的数字滤波器类型; 通过配置至少A1 / A2，P1 / P2和DAC之间的互连，采用由S1指定的信号处理拓扑，使得表示声音的数字数据通过至少P1从A1流经到A1到DAC; 表示声音的数字数据通过至少P2从A2流经Pa2到DAC; Pa1 / Pa2在沿着Pa1 / Pa2的第一/第二位置处组合，使得数字数据在流到DAC之前被组合; 配置由S1指定的滤波器系数的每个数字滤波器; 设置数据数据流经由S1指定的Pa1 / Pa2的至少一部分的数据传送速率; 操作A1 / A2，P1 / P2和DAC，以在耳机中提供ANR; 沿着Pa1 / Pa2的至少一部分与数字数据的传送同步地将由S1指定的ANR设置改变为S2指定的ANR设置; 监视由数字数据表示的声音的特征; 其中，响应于特性的改变，改变ANR设置的改变，改变由S1定义的信号处理拓扑的互连，由S1指定的数字滤波器的选择，由S1指定的滤波器系数和数据传送速率 由S1指定。