专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP3407347A1 NOISE REDUCING DEVICE, NOISE REDUCING METHOD, NOISE REDUCING PROGRAM, AND NOISE REDUCING AUDIO OUTPUTTING DEVICE 审中-公开
公开(公告)号：EP3407347A1
公开(公告)日：2018-11-28
申请号：EP18169076.9
申请日：2007-11-14
申请人： Sony Corporation
发明人： ASADA, Kohei
IPC分类号： G10K11/178 , H04R1/10
CPC分类号： G10K11/178 , G10K11/17823 , G10K11/17825 , G10K11/1783 , G10K11/17833 , G10K11/17873 , G10K11/17875 , G10K11/17879 , G10K11/17885 , G10K2210/1081 , G10K2210/3013 , G10K2210/3033 , G10K2210/30391 , G10K2210/3042 , G10K2210/3222 , G10K2210/509 , H04R1/1083 , H04R2460/01
摘要： A noise reducing device includes: an acoustic-to-electric conversion section for collecting noise and outputting an analog noise signal; an analog-to-digital conversion section for converting the analog noise signal into a digital noise signal; and a digital processing section for generating a digital noise reducing signal on a basis of the digital noise signal and a desired parameter. The device further includes: a retaining section for retaining a plurality Of parameters corresponding to a plurality of kinds of noise characteristics; a setting section for setting one of the plurality of parameters as the desired parameter of the digital processing section; a digital-to-analog conversion section for converting the digital noise reducing signal into an analog noise reducing signal; and an electric-to-acoustic conversion section for outputting noise reducing sound on a basis of the analog noise reducing signal.

2. 发明公开

EP3353773A1 NOISE AND VIBRATION SENSING 有权
公开(公告)号：EP3353773A1
公开(公告)日：2018-08-01
申请号：EP16760017.0
申请日：2016-08-25
申请人： Harman Becker Automotive Systems GmbH
发明人： PFAFFINGER, Gerhard
IPC分类号： G10K11/178
CPC分类号： G10K11/17883 , G10K11/178 , G10K11/17823 , G10K11/17835 , G10K11/17879 , G10K2210/12821 , G10K2210/129 , G10K2210/30391 , G10K2210/3045 , G10K2210/3046
摘要： An active road noise control includes generating with a sensor arrangement a primary sense signal representative of accelerations, motions and/or vibrations that occur at a first position on a vehicle body, and providing a noise reducing signal by processing the primary sense signal according to an adaptive mode of operation or a non-adaptive mode of operation. It includes generating within the vehicle body noise reducing sound at the second position from the noise reducing signal, and evaluating the primary sense signal and controlling the processing of the primary sense signal so that the primary sense signal is processed in the adaptive mode of operation when the magnitude of the primary sense signal undercuts a first threshold and in the non-adaptive mode of operation when the magnitude of the primary sense signal exceeds a second threshold, the first threshold being equal to or smaller than the second threshold.

3. 发明公开

EP3213321A1 VARIABLE RATE ADAPTIVE ACTIVE NOISE CANCELLATION 有权转让
标题翻译：可变速率自适应有源噪声消除
公开(公告)号：EP3213321A1
公开(公告)日：2017-09-06
申请号：EP15781828.7
申请日：2015-10-02
申请人： Qualcomm Incorporated
发明人： PARK, Hyun Jin , CHALLA, Deepak Kumar , LACATUS, Catalin
IPC分类号： G10K11/178
CPC分类号： G10K11/175 , G10K11/178 , G10K11/17835 , G10K11/17855 , G10K2210/1081 , G10K2210/30391 , G10K2210/3051 , G10K2210/3053
摘要： A method of audio signal processing includes determining a difference between a first set of filter parameters of a first input frame of an active noise cancellation (ANC) filter and a second set of filter parameters of a second input frame of the ANC filter. The method further includes selectively modifying a duty cycle of adaptive ANC processing associated with the ANC filter based on the difference between the first set of filter parameters and the second set of filter parameters.
摘要翻译：音频信号处理的方法包括确定主动噪声消除（ANC）滤波器的第一输入帧的第一组滤波器参数与ANC滤波器的第二输入帧的第二组滤波器参数之间的差。该方法还包括基于第一组滤波器参数和第二组滤波器参数之间的差有选择地修改与ANC滤波器相关联的自适应ANC处理的占空比。

4. 发明公开

EP2752996A8 Interactive sound reproducing 有权
标题翻译：交互式声音
公开(公告)号：EP2752996A8
公开(公告)日：2015-01-21
申请号：EP14163578.9
申请日：2001-10-08
申请人： Bose Corporation
发明人： Beckman, Paul Eric , Perry, Christopher H. , Carvajal, Santiago
IPC分类号： H04B1/20 , G06F3/16 , H04R5/02
CPC分类号： G06F3/165 , G06F3/04847 , G06F17/30749 , G10K11/178 , G10K2210/1081 , G10K2210/30391 , G10K2210/3056 , G10K2210/3214 , G10K2210/503 , H04B1/20 , H04B1/202 , H04R1/345 , H04R1/403 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2205/022
摘要： An audio system comprising: (a) a sound reproduction device configured to operably connect to a plurality of remote music sources comprising at least (i) predefined playlists of digital music files and (ii) web radio websites, the sound reproduction device comprising: a digital-to-analog converter configured to receive a digital representation of content from the remote music sources and convert to analog form; a powered speaker; and a set of assignable preset indicators, wherein each indicator in the set of preset indicators is configured such that a user can assign to it an individual web radio website or a particular predefined playlist of digital music files; and (b) a software program configured to run on a separate computer, wherein the software program provides a user interface configured to present set(s) of preset indicators, wherein at least one of the sets presented in the user interface corresponds to the set of preset indicators on the sound reproduction device.

5. 发明公开

EP2790182A1 Sound-dependent ANR signal processing adjustment 有权
标题翻译： TonabhängigeANR-Signalverarbeitungseinstellung
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
申请人： Bose Corporation
发明人： Carreras, Ricardo, F. , Gauger, Daniel, M.
IPC分类号： G10K11/178
CPC分类号： H04B1/202 , G10K11/178 , G10K2210/1081 , G10K2210/30391 , G10K2210/3056 , G10K2210/3214 , G10K2210/503 , H04R1/1016 , H04R1/2803 , H04R2460/11
摘要： 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.
摘要翻译：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。

6. 发明公开

EP2752996A1 Interactive sound reproducing 有权
标题翻译： Interaktive Tonwiedergabe
公开(公告)号：EP2752996A1
公开(公告)日：2014-07-09
申请号：EP14163578.9
申请日：2001-10-08
申请人： Bose Corporation
发明人： Beckman, Paul Eric , Perry, Christopher H. , Carvajal, Santiago
IPC分类号： H04B1/20 , G06F3/16 , H04R5/02
CPC分类号： G06F3/165 , G06F3/04847 , G06F17/30749 , G10K11/178 , G10K2210/1081 , G10K2210/30391 , G10K2210/3056 , G10K2210/3214 , G10K2210/503 , H04B1/20 , H04B1/202 , H04R1/345 , H04R1/403 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2205/022
摘要： An audio system comprising: (a) a sound reproduction device configured to operably connect to a plurality of remote music sources comprising at least (i) predefined playlists of digital music files and (ii) web radio websites, the sound reproduction device comprising: a digital-to-analog converter configured to receive a digital representation of content from the remote music sources and convert to analog form; a powered speaker; and a set of assignable preset indicators, wherein each indicator in the set of preset indicators is configured such that a user can assign to it an individual web radio website or a particular predefined playlist of digital music files; and (b) a software program configured to run on a separate computer, wherein the software program provides a user interface configured to present set(s) of preset indicators, wherein at least one of the sets presented in the user interface corresponds to the set of preset indicators on the sound reproduction device.
摘要翻译：一种音频系统，包括：（a）声音再现装置，被配置为可操作地连接至多个远程音乐源，所述多个远程音乐源至少包括（i）预定的数字音乐文件播放列表和（ii）网络无线电网站，所述声音再现装置包括：数模转换器被配置为从远程音乐源接收内容的数字表示并转换成模拟形式; 动力扬声器以及一组可分配的预设指示符，其中，所述一组预设指示符中的每个指示符被配置为使得用户可以向其分配单独的web无线电网站或数字音乐文件的特定的预定播放列表; 和（b）被配置为在单独的计算机上运行的软件程序，其中所述软件程序提供被配置为呈现预设指示符的组的用户界面，其中在所述用户界面中呈现的所述集合中的至少一个对应于所述集合的声音再现设备上的预设指示灯。

7. 发明公开

EP2715720A2 BANDLIMITTING ANTI-NOISE IN PERSONAL AUDIO DEVICES HAVING ADAPTIVE NOISE CANCELLATION 有权
标题翻译：限带噪声保护均与自适应降噪个人音频设备
公开(公告)号：EP2715720A2
公开(公告)日：2014-04-09
申请号：EP12724513.2
申请日：2012-05-24
申请人： Cirrus Logic, Inc.
发明人： KWATRA, Nitin , ABDOLLAHZADEH MILANI, Ali , ALDERSON, Jeffrey
IPC分类号： G10K11/178
CPC分类号： G10K11/178 , G10K2210/108 , G10K2210/3012 , G10K2210/3017 , G10K2210/30231 , G10K2210/3028 , G10K2210/30391 , G10K2210/3226 , G10K2210/507 , G10K2210/508 , G10K2210/511 , G10K2210/512 , G10L21/0208 , G10L21/0364 , H04R1/1083
摘要： A personal audio device, such as a wireless telephone, includes noise canceling that adaptively generates an anti-noise signal from a reference microphone signal and injects the anti-noise signal into the speaker or other transducer output to cause cancellation of ambient audio sounds. An error microphone is provided proximate the speaker to measure the output of the transducer in order to control the adaptation of the anti-noise signal and to estimate an electro-acoustical path from the noise canceling circuit through the transducer. The anti-noise signal is adaptively generated to minimize the ambient audio sounds at the error microphone. A processing circuit that performs the adaptive noise canceling (ANC) function also filters one or both of the reference and/or error microphone signals, to bias the adaptation of the adaptive filter in one or more frequency regions to alter a degree of the minimization of the ambient audio sounds at the error microphone.

8. 发明公开

EP2661101A1 Orientation-responsive acoustic driver operation 有权
标题翻译： OrientierungsabhängigerBetrieb eines akustischen Treibers
公开(公告)号：EP2661101A1
公开(公告)日：2013-11-06
申请号：EP13178645.1
申请日：2012-04-13
申请人： Bose Corporation
发明人： Freeman, Eric J. , Joyce, John , Carbone, Richard J. , Breen, John J.
IPC分类号： H04R5/02 , H04R5/04 , H04R1/34 , H04R1/40 , H04R3/12
CPC分类号： H04B1/202 , G10K11/178 , G10K2210/1081 , G10K2210/30391 , G10K2210/3056 , G10K2210/3214 , G10K2210/503 , H04R1/345 , H04R1/403 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2205/022
摘要： An audio device comprising: a casing rotatable about an axis between a first orientation and a second orientation different from the first orientation; an orientation input device disposed on the casing to enable determination of an orientation of the casing relative to the direction of the force of gravity; a first acoustic driver disposed on the casing and having a first direction of maximum acoustic radiation; a second acoustic driver disposed on the casing and having a second direction of maximum acoustic radiation; and wherein: the first direction of maximum acoustic radiation is not parallel to the second direction of maximum acoustic radiation; a sound is acoustically output by the first acoustic driver in response to the casing being in the first orientation; and the sound is acoustically output by the second acoustic driver in response to the casing being in the second orientation.
摘要翻译：一种音频设备，包括：壳体，可围绕不同于所述第一方向的第一取向和第二取向之间的轴线旋转; 定位输入装置，其设置在所述壳体上以能够确定所述壳体相对于所述重力方向的取向; 设置在所述壳体上并具有第一方向的最大声辐射的第一声学驱动器; 第二声学驱动器，其设置在所述壳体上并且具有最大声辐射的第二方向; 并且其中：所述最大声辐射的所述第一方向不平行于所述最大声辐射的所述第二方向; 响应于壳体处于第一取向，第一声学驱动器声学地输出声音; 并且响应于壳体处于第二取向，第二声学驱动器声音地输出声音。

9. 发明公开

EP1777829A3 Interactive sound reproducing 有权
标题翻译：交互式声音再现
公开(公告)号：EP1777829A3
公开(公告)日：2007-06-27
申请号：EP06124855.5
申请日：2001-10-08
申请人： BOSE CORPORATION
发明人： Beckman, Paul Eric , Perry, Christopher H , Carvajal, Santiago
IPC分类号： H04B1/20 , G06F3/16
CPC分类号： G06F3/165 , G06F3/04847 , G06F17/30749 , G10K11/178 , G10K2210/1081 , G10K2210/30391 , G10K2210/3056 , G10K2210/3214 , G10K2210/503 , H04B1/20 , H04B1/202 , H04R1/345 , H04R1/403 , H04R3/12 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2205/022
摘要： An audio system attachable to a computer includes a sound reproduction device for producing audible sound from audio signals. The sound reproduction device includes a radio tuner and a powered speaker. The audio system further includes a connector for connecting the sound reproduction device with a computer. The computer provides audio signals from a plurality of sources, the sources including a computer CD player, digitally encoded computer files stored on the computer, and a computer network connected to the computer. The sound reproduction device further includes control buttons for controlling at least one of the computer CD player, the digitally encoded computer files and the computer network.
摘要翻译：可附接到计算机的音频系统包括用于从音频信号产生可听声音的声音再现设备。声音再现设备包括无线电调谐器和有源扬声器。音频系统还包括用于将声音再现设备与计算机连接的连接器。计算机提供来自多个源的音频信号，这些源包括计算机CD播放器，存储在计算机上的数字编码的计算机文件以及连接到计算机的计算机网络。声音再现设备还包括用于控制计算机CD播放器，数字编码的计算机文件和计算机网络中的至少一个的控制按钮。

10. 发明授权

EP0907948B1 NONLINEAR REDUCED-PHASE FILTERS FOR ACTIVE NOISE CONTROL 失效
标题翻译：随着对主动降噪缩小非线性滤波
公开(公告)号：EP0907948B1
公开(公告)日：2000-06-21
申请号：EP97924712.9
申请日：1997-05-14
申请人： UNITED TECHNOLOGIES CORPORATION
发明人： JACOBSON, Clas, A. , MCCORMICK, Duane, C.
IPC分类号： G10K11/178
CPC分类号： G10K11/17875 , G10K11/17854 , G10K2210/129 , G10K2210/3026 , G10K2210/30391 , G10K2210/3217 , G10K2210/3229
摘要： An active noise (or vibration) control system having an actuator 24 which provides an acoustic anti-noise signal in response to an drive signal (U), an error sensor 16 which senses the acoustic anti-noise signal from the actuator, senses disturbance noise (d), and provides an error signal (e) indicative of a combination thereof, and a controller 20, responsive to the error signal (e), which provides the drive signal (U) to the actuator 24, is provided with controller compensation 78 having energy states 112 and having non-linear reset logic 130 which temporarily resets the energy states 112 in the filter 78 to zero when the error signal crosses zero, thereby improving the bandwidth of the active noise control system.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式