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. 发明申请

WO2017091583A1 CONTROLLING AMBIENT SOUND VOLUME 审中-公开
标题翻译：控制环境音量
公开(公告)号：WO2017091583A1
公开(公告)日：2017-06-01
申请号：PCT/US2016/063348
申请日：2016-11-22
申请人： BOSE CORPORATION
发明人： RULE, John Allen , GAUGER, Daniel M., Jr.
IPC分类号： H04R1/10 , H04R3/00
CPC分类号： H04R1/1083 , G10K11/178 , G10K11/17854 , G10K11/17881 , G10K2210/1081 , G10K2210/3026 , G10K2210/3027 , G10K2210/3028 , G10K2210/511 , H04R3/002 , H04R3/04 , H04R29/001 , H04R2410/05 , H04R2430/01 , H04R2430/03 , H04R2460/01 , H04R2460/05
摘要： An earpiece includes a feed-forward microphone coupled to the environment outside the headphones, a feedback microphone coupled to an ear canal of a user when the earpiece is in use, a speaker coupled to the ear canal of the user when the earpiece is in use, a digital signal processor implementing feed-forward and feedback noise compensation filters between the respective microphones and the speaker, and a memory storing an ordered sequence of sets of filters for use by the digital signal processor. Each of the sets of filters includes a feed-forward filter that provides a different frequency-dependent amount of sound pass-through or cancellation, which in combination with residual ambient sound reaching the ear results in a total insertion gain at the ear of a user.
摘要翻译：耳机包括耦合到耳机外部的环境的前馈麦克风，当耳机使用时耦合到用户的耳道的反馈麦克风，耦合到耳机的耳道的扬声器，当使用耳机时使用者，在各个麦克风和扬声器之间实现前馈和反馈噪声补偿滤波器的数字信号处理器，以及存储供数字信号处理器使用的滤波器组的有序序列的存储器。每组滤波器包括前馈滤波器，该前馈滤波器提供不同的频率相关量的声音通过或消除，其与到达耳朵的残余环境声音相结合导致用户耳朵处的总插入增益

2. 发明申请

WO2016100602A9 CIRCUIT AND METHOD FOR PERFORMANCE AND STABILITY CONTROL OF FEEDBACK ADAPTIVE NOISE CANCELLATION 审中-公开
公开(公告)号：WO2016100602A9
公开(公告)日：2016-10-13
申请号：PCT/US2015066260
申请日：2015-12-17
申请人： CIRRUS LOGIC INC
发明人： LU YANG , ZHOU DAYONG , MILLER ANTONIO J , LI NING
IPC分类号： G10K11/178 , H04R1/10
CPC分类号： G10K11/178 , G10K11/17833 , G10K11/17875 , G10K11/17881 , G10K2210/1081 , G10K2210/3056 , G10K2210/503 , G10K2210/506 , H04R1/1083 , H04R2460/01
摘要： A method for cancelling ambient audio sounds in the proximity of a transducer may include receiving an error microphone signal indicative of the output of the transducer and ambient audio sounds at the transducer. The method may also include generating an anti-noise signal for countering the effects of ambient audio sounds at an acoustic output of the transducer, wherein generating the anti-noise signal comprises applying a feedback filter having a response that generates a feedback anti-noise signal based on the error microphone signal and applying a variable gain element in series with the feedback filter. The method may further include monitoring whether an ambient audio event is occurring that could cause the feedback filter to generate an undesirable component in the anti-noise signal and controlling the gain of the variable gain element to reduce the undesirable component.

3. 发明申请

WO2016065727A1 具有降噪效果的入耳式耳机审中-公开
公开(公告)号：WO2016065727A1
公开(公告)日：2016-05-06
申请号：PCT/CN2015/000228
申请日：2015-04-01
申请人：中名(东莞)电子有限公司
发明人：杨少聪 , 罗伟明 , 王安勇
IPC分类号： H04R1/10
CPC分类号： G10K11/178 , G10K11/17857 , G10K11/17881 , G10K2210/3219 , G10K2210/3226 , H04R1/1016 , H04R1/1041 , H04R1/1058 , H04R1/1083 , H04R3/005 , H04R2420/07 , H04R2460/01 , H04W4/80
摘要：本发明公开了通讯技术领域的具有降噪效果的入耳式耳机，包括耳机壳体，耳机壳体内部安装有发音单元和控制电路，耳机壳体内部包括第一腔体、第二腔体和第三腔体，在第一腔体内横向安装有第一麦克风，在第三腔体内竖向安装有第二麦克风，第一麦克风和第二麦克风均通过音频信号传输线连接至控制电路，发音单元横向安装在第二腔体内，使发音单元的发音面向上对着第三腔体的出音口，且第二麦克风位于发音单元的上方。这种双重麦克风的结构适用于入耳式耳机，降噪效果最好，环境适应性强，如机场、地铁等噪音特别刺耳的环境下依然保持显著降噪效果；无论降噪深度还是降噪宽度都远超当前主流的主动降噪技术。

4. 发明申请

WO2015132937A1 消音装置审中-公开
标题翻译：噪声抑制装置
公开(公告)号：WO2015132937A1
公开(公告)日：2015-09-11
申请号：PCT/JP2014/055834
申请日：2014-03-06
申请人：三菱電機株式会社
发明人：平野　仁 , 矢野　敦仁
IPC分类号： G10K11/178 , B60R11/02
CPC分类号： B60R11/0217 , B60R2011/0052 , B60R2011/0085 , G10K11/1781 , G10K11/17881 , G10K2210/1282 , G10K2210/129 , G10K2210/3026 , G10K2210/3047
摘要：　消音装置１の筐体１０には、振動騒音源からの振動を検出する一つ以上の振動検出器１１と、振動検出器１１およびマイク４が検出する各信号から消音制御点６の騒音を予測してキャンセル信号を生成する騒音予測部１２とが設置されている。
摘要翻译：在噪声消音装置（1）的壳体（10）中设置有一个或多个检测来自振动噪声源的振动的振动检测器（11），以及噪声预测单元（12），其预测噪声消音控制点（6）处的噪声）从振动检测器（11）和麦克风（4）检测的各种信号中产生消除信号。

5. 发明申请

WO2015088651A1 SYSTEMS AND METHODS FOR PROVIDING ADAPTIVE PLAYBACK EQUALIZATION IN AN AUDIO DEVICE 审中-公开
标题翻译：在音频设备中提供自适应播放均衡的系统和方法
公开(公告)号：WO2015088651A1
公开(公告)日：2015-06-18
申请号：PCT/US2014/061548
申请日：2014-10-21
申请人： CIRRUS LOGIC, INC.
发明人： ALDERSON, Jeffrey, D. , HENDRIX, Jon, D.
IPC分类号： H04R3/04 , G10K11/178
CPC分类号： H04R3/04 , G10K11/178 , G10K11/17881 , G10K11/17885 , G10K2210/1081 , H04R2410/05
摘要： In accordance with systems and methods of the present disclosure, a method may include receiving an error microphone signal indicative of an acoustic output of a transducer and ambient audio sounds at the acoustic output of the transducer. The method may also include generating an anti-noise signal to reduce the presence of the ambient audio sounds at the acoustic output of the transducer based at least on the error microphone signal. The method may further include generating an equalized source audio signal from a source audio signal by adapting, based at least on the error microphone signal, a response of the adaptive playback equalization system to minimize a difference between the source audio signal and the error microphone signal. The method may additionally include combining the anti-noise signal with the equalized source audio signal to generate an audio signal provided to the transducer.
摘要翻译：根据本公开的系统和方法，一种方法可以包括接收指示换能器的声输出的误差麦克风信号和在换能器的声输出处的环境声音。该方法还可以包括产生抗噪声信号以至少基于误差麦克风信号来减小在换能器的声输出处的环境音频声音的存在。该方法还可以包括：通过至少基于误差麦克风信号，适应自适应回放均衡系统的响应来最小化源音频信号和误差麦克风信号之间的差异，从源音频信号产生均衡的源音频信号。该方法可以另外包括将抗噪声信号与均衡源音频信号组合以产生提供给换能器的音频信号。

6. 发明申请

WO2015088639A1 SYSTEMS AND METHODS FOR BANDLIMITING ANTI-NOISE IN PERSONAL AUDIO DEVICES HAVING ADAPTIVE NOISE CANCELLATION 审中-公开
标题翻译：用于在具有自适应噪声消除的个人音频设备中对抗噪声进行绑定的系统和方法
公开(公告)号：WO2015088639A1
公开(公告)日：2015-06-18
申请号：PCT/US2014/060277
申请日：2014-10-13
申请人： CIRRUS LOGIC, INC.
发明人： ALDERSON, Jeffrey D.
IPC分类号： G10K11/178
CPC分类号： H04R3/002 , G10K11/178 , G10K11/17854 , G10K11/17881 , G10K2210/3017 , G10K2210/3051 , H04R2410/03
摘要： A method may include adaptively generating an anti-noise signal from filtering a reference microphone signal with an adaptive filter in conformity with an error microphone signal and the reference microphone signal. The method may also include adjusting the response of the adaptive filter by combining injected noise with the reference microphone signal and receiving the injected noise by a copy of the adaptive filter so that the response of the copy is controlled by the adaptive filter adapting to cancel a combination of the ambient audio sounds and the injected noise and controlling the response of the adaptive filter with the coefficients adapted in the copy, whereby the injected noise is not present in the anti-noise signal and wherein each of a sample rate of the copy and a rate of adapting of the adaptive filter is significantly less than a sample rate of the adaptive filter.
摘要翻译：一种方法可以包括自适应地产生抗噪声信号，以使用符合误差麦克风信号和参考麦克风信号的自适应滤波器对参考麦克风信号进行滤波。该方法还可以包括通过将注入的噪声与参考麦克风信号相结合来调整自适应滤波器的响应，并通过自适应滤波器的副本接收注入的噪声，使得复制的响应由适配滤波器进行控制，环境音频声音和注入的噪声的组合，并且利用在复制中适应的系数来控制自适应滤波器的响应，由此注入的噪声不存在于抗噪声信号中，并且其中复制和自适应滤波器的适应率显着小于自适应滤波器的采样率。

7. 发明申请

WO2014172021A1 SYSTEMS AND METHODS FOR ADAPTIVE NOISE CANCELLATION BY BIASING ANTI-NOISE LEVEL 审中-公开
标题翻译：用于消除噪声水平的自适应噪声消除的系统和方法
公开(公告)号：WO2014172021A1
公开(公告)日：2014-10-23
申请号：PCT/US2014/019469
申请日：2014-02-28
申请人： CIRRUS LOGIC, INC.
发明人： YONG, Chin Huang , ALDERSON, Jeffrey D.
IPC分类号： G10K11/178
CPC分类号： G10K11/16 , G10K11/178 , G10K11/17817 , G10K11/17833 , G10K11/17881 , G10K11/17885 , G10K2210/1081 , G10K2210/3014 , G10K2210/3017 , G10K2210/3022 , G10K2210/3027 , G10K2210/30351
摘要： A processing circuit may comprise an adaptive filter having a response generating an antinoise signal from a reference microphone signal, a secondary path estimate filter modeling an electroacoustic path of a source audio signal, a biasing portion that generates a scaled antinoise signal by applying a scaling factor and the response of the secondary path estimate filter to the antinoise signal, and a coefficient control block that shapes the response of the adaptive filter in conformity with the reference microphone signal and a modified playback corrected error signal by adapting the response of the adaptive filter to minimize ambient audio sounds in the error microphone signal, wherein the playback corrected error is based on a difference between the error microphone signal and source audio signal and the modified playback corrected error signal is based on a difference between the playback corrected error signal and scaled antinoise signal.
摘要翻译：处理电路可以包括具有从参考麦克风信号产生抗噪声信号的响应的自适应滤波器，对源音频信号的电声路径建模的次路径估计滤波器，通过应用比例因子产生缩放抗噪声信号的偏置部分以及二次路径估计滤波器对抗噪声信号的响应，以及系数控制块，其通过将自适应滤波器的响应调整为适应于参考麦克风信号和修改的重放校正误差信号来对自适应滤波器的响应进行整形最小化误差麦克风信号中的环境音频声音，其中重放校正误差基于误差麦克风信号和源音频信号之间的差异，并且经修改的重放校正误差信号基于重放校正误差信号和缩放抗噪声之间的差异信号。

8. 发明申请

WO2014171795A1 HEADSET TO PROVIDE NOISE REDUCTION 审中-公开
标题翻译：提供减少噪音的措施
公开(公告)号：WO2014171795A1
公开(公告)日：2014-10-23
申请号：PCT/KR2014/003435
申请日：2014-04-18
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： LEE, Gun-woo , KO, Sang-chul , LEE, Young-sang , KIM, Young-tae
IPC分类号： H04R1/10
CPC分类号： G01R33/288 , G01R33/283 , G10K11/17861 , G10K11/17881 , G10K2210/1081 , G10K2210/1161 , G10K2210/3224 , H04R1/1008 , H04R1/1083 , H04R2460/01
摘要： A headset to provide noise reduction may include a first microphone that is disposed outside the headset and detects external noise, a first blocking unit configured to block the external noise entering an inside of the headset, a second blocking unit configured to block external noise which is not blocked by the first blocking unit, a second microphone configured to detect internal noise of the headset including noise which is not blocked by the first blocking unit and the second blocking unit, and a speaker configured to output canceling noise to cancel the internal noise detected by the second microphone, wherein the second blocking unit surrounds the second microphone and comprises a one-way sound transmitting passage.
摘要翻译：用于提供降噪的耳机可以包括布置在耳机外部并检测外部噪声的第一麦克风，被配置为阻挡进入耳机内部的外部噪声的第一阻挡单元，被配置为阻止外部噪声的第二阻断单元，未被第一阻挡单元阻挡的第二麦克风被配置为检测头戴式耳机的内部噪声，包括未被第一阻断单元和第二阻断单元阻塞的噪声;以及扬声器，被配置为输出抵消噪声以消除检测到的内部噪声通过第二麦克风，其中第二阻挡单元围绕第二麦克风并且包括单向声音传送通道。

9. 发明申请

WO1995000946A1 VARIABLE GAIN ACTIVE NOISE CANCELLATION SYSTEM WITH IMPROVED RESIDUAL NOISE SENSING 审中-公开
标题翻译：可变增益主动噪声消除系统具有改进的残留噪声感知
公开(公告)号：WO1995000946A1
公开(公告)日：1995-01-05
申请号：PCT/US1994007027
申请日：1994-06-23
申请人： ACTIVE NOISE AND VIBRATION TECHNOLOGIES, INC.
发明人： ACTIVE NOISE AND VIBRATION TECHNOLOGIES, INC. , JONES, Owen
IPC分类号： G10K11/16
CPC分类号： G10K11/17857 , A61F2011/145 , G10K11/17855 , G10K11/17881 , G10K11/17885 , G10K2210/108 , G10K2210/1081 , G10K2210/3011 , G10K2210/3013 , G10K2210/3019 , G10K2210/3028 , G10K2210/3056 , G10K2210/3214 , G10K2210/503
摘要： An active noise cancellation system includes a series of features for more effective cancellation, greater reliability, and improved stability. A particular feature adapted for headset systems includes locating a residual microphone radially offset from the center of a sound generator to detect a signal more similar to that incident upon the eardrum of the user. In addition, an open back headset design includes perforations on the side of the headset instead of the back, so that the perforations are less susceptible to inadvertent blockage. The system also includes a mecchanism for detecting changes in the acoustic characteristics of the environment that may be caused, for example, by pressure exerted upon the earpieces, and that may destabilize the cancellation system. The system automatically responds to such changes, for example, by reducing the gain or the frequency response of the system to preserve stability. The system further includes other methods for detecting imminent instability and compensating, such as detecting the onset of signals within enhancement frequencies characteristic of the onset of instability, and adjusting the gain or frequency response of the system or suppressing the enhanced signals. The system further includes a mecchanism for conserving batteryl ife by turning the system off when sound levels are low, or adjusting the power supply to the system to correspond to the current power requirements of the system.
摘要翻译：主动噪声消除系统包括一系列功能，用于更有效的消除，更高的可靠性和更好的稳定性。适用于耳机系统的特定特征包括将距离声发生器中心径向偏移的剩余麦克风定位成检测更类似于在用户鼓膜上入射的信号的信号。此外，开放式耳机设计包括耳机侧面的穿孔而不是背部，使得穿孔不易受到意外的堵塞。该系统还包括用于检测例如通过施加在听筒上的压力可能引起的环境的声学特性的变化的机构，并且可能使取消系统不稳定。系统自动响应这种变化，例如，通过减小系统的增益或频率响应来保持稳定性。该系统还包括用于检测即将发生的不稳定性和补偿的其它方法，例如检测不稳定性开始特征的增强频率内的信号的开始，以及调整系统的增益或频率响应或抑制增强的信号。该系统还包括通过在声级较低时关闭系统来保护电池，或者调整系统的电源以对应于系统的当前功率需求的机构。

10. 发明申请

WO2017158325A1 EARPHONE TEST SYSTEM 审中-公开
标题翻译：耳机测试系统
公开(公告)号：WO2017158325A1
公开(公告)日：2017-09-21
申请号：PCT/GB2017/050645
申请日：2017-03-10
申请人： SOUNDCHIP SA , DARLINGTON, Paul , SKELTON, Ben , DONALDSON, Mark
发明人： DARLINGTON, Paul , SKELTON, Ben , DONALDSON, Mark
IPC分类号： H04R1/10 , H04R29/00 , H04R5/033 , A61F11/14
CPC分类号： G10K11/17881 , G10K2210/1081 , G10K2210/3026 , G10K2210/3027 , G10K2210/503 , G10K2210/504 , H04R1/1083 , H04R5/033 , H04R29/00 , H04R2460/01
摘要： An earphone device/test station pairing (1, 2) comprising: an earphone device (1) comprising: at least one electroacoustic driver (32, 33, 34); a digital module (31) including a processor module; and a digital interface configured to connect the earphone device (1) to a media/communications device having a digital output; a test station (2) comprising at least one transducer (40, 42, 6), the test station (2) being operative to communicate with the earphone device (1) via the digital interface to allow data transmission between the earphone device (1) and the test station (2) during a test/configuration procedure; and a test module (4) for performing automated testing of the earphone device (1) when mounted on/connected to the test station (2).
摘要翻译：一种耳机装置/测试站配对（1,2），包括：耳机装置（1），其包括：至少一个电声驱动器（32,33,34）;以及至少一个电声驱动器。包括处理器模块的数字模块（31）和数字接口，被配置为将耳机设备（1）连接到具有数字输出的媒体/通信设备; 包括至少一个换能器（40,42,6）的测试台（2），所述测试台（2）可操作用于经由所述数字接口与所述耳机装置（1）通信，以允许所述耳机装置（1））和测试台（2）在测试/配置过程期间; 和测试模块（4），用于在安装在/连接到测试台（2）上时执行耳机装置（1）的自动测试。

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