Active noise control system
    3.
    发明授权
    Active noise control system 有权
    主动噪声控制系统

    公开(公告)号:US09558732B2

    公开(公告)日:2017-01-31

    申请号:US12189967

    申请日:2008-08-12

    CPC classification number: G10K11/1788 G10K11/178 G10K2210/1081

    Abstract: An active noise control system includes a first microphone, a controller operably coupled to the first microphone, and a speaker operably coupled to the controller. The first microphone senses a sound input in an audible spectrum, wherein the sound input includes a disturbance noise portion. The controller includes a selection unit and an output unit. The selection unit determines the disturbance noise portion of the sound input based on a highest frequency level of the sound input. The output unit removes the disturbance noise portion from the sound input to generate a filtered sound input. The speaker generates a speaker output based on the filtered sound input.

    Abstract translation: 有源噪声控制系统包括第一麦克风,可操作地耦合到第一麦克风的控制器和可操作地耦合到控制器的扬声器。 第一麦克风感测在可听频谱中的声音输入,其中声音输入包括干扰噪声部分。 控制器包括选择单元和输出单元。 选择单元基于声音输入的最高频率水平确定声音输入的干扰噪声部分。 输出单元从声音输入中去除干扰噪声部分以产生滤波后的声音输入。 扬声器基于滤波后的声音输入产生扬声器输出。

    Electronic devices for controlling noise
    4.
    发明授权
    Electronic devices for controlling noise 有权
    用于控制噪音的电子设备

    公开(公告)号:US09495952B2

    公开(公告)日:2016-11-15

    申请号:US13569031

    申请日:2012-08-07

    Abstract: An electronic device for controlling noise is described. The electronic device includes a force sensor for detecting a force on the electronic device. The electronic device also includes noise control circuitry for generating a noise control signal based on a noise signal and the force. Another electronic device for controlling noise is also described. The electronic device includes a speaker that outputs a runtime ultrasound signal, an error microphone that receives a runtime ultrasound channel signal and noise control circuitry coupled to the speaker and to the error microphone. The noise control circuitry determines at least one calibration parameter and determines a runtime channel response based on the runtime ultrasound channel signal. The noise control circuitry also determines a runtime placement based on the runtime channel response and the at least one calibration parameter and determines at least one runtime active noise control parameter based on the runtime placement.

    Abstract translation: 描述了一种用于控制噪声的电子设备。 电子设备包括用于检测电子设备上的力的力传感器。 电子设备还包括用于基于噪声信号和力产生噪声控制信号的噪声控制电路。 还描述了另一种用于控制噪声的电子设备。 电子设备包括输出运行时超声信号的扬声器,接收运行时超声波信号的误差麦克风和耦合到扬声器和误差麦克风的噪声控制电路。 噪声控制电路确定至少一个校准参数并且基于运行时超声波信号确定运行时间段信道响应。 噪声控制电路还基于运行时间通道响应和至少一个校准参数来确定运行时间位置,并且基于运行时位置来确定至少一个运行时主动噪声控制参数。

    Control System Having Active Noise and Vibration Centralized Control Through Digital Network
    5.
    发明申请
    Control System Having Active Noise and Vibration Centralized Control Through Digital Network 有权
    具有主动噪声和振动的控制系统通过数字网络集中控制

    公开(公告)号:US20160300559A1

    公开(公告)日:2016-10-13

    申请号:US14681426

    申请日:2015-04-08

    Abstract: A control system provides centralized active noise control (ANC) and active vibration control (AVC) through a digital network. The control system includes a controller, an audio sub-system, and a vibration sub-system. The audio-sub system includes at least one sound monitoring component and at least one sound outputting component. The vibration sub-system includes at least one vibration monitoring component and at least one vibration actuating component. The controller and the sub-systems are interconnected through the digital network. The controller controls the sub-systems through the digital network to perform the ANC and AVC functions in a holistic approach.

    Abstract translation: 控制系统通过数字网络提供集中的主动噪声控制(ANC)和主动振动控制(AVC)。 控制系统包括控制器,音频子系统和振动子系统。 音频子系统包括至少一个声音监视部件和至少一个声音输出部件。 振动子系统包括至少一个振动监测部件和至少一个振动致动部件。 控制器和子系统通过数字网络互连。 控制器通过数字网络控制子系统,以整体方式执行ANC和AVC功能。

    ACOUSTIC DEVICE CAPABLE OF PRODUCING ACTIVE NOISE REDUCTION
    6.
    发明申请
    ACOUSTIC DEVICE CAPABLE OF PRODUCING ACTIVE NOISE REDUCTION 有权
    可产生主动噪声减少的声学设备

    公开(公告)号:US20160203813A1

    公开(公告)日:2016-07-14

    申请号:US14893188

    申请日:2014-05-23

    Applicant: ELNO

    Abstract: The invention relates to an acoustic device capable of producing active noise reduction, which may be positioned on the head of a user, comprising at least one microphone capable of sensing a sound signal representative of ambient noise, including at least one active noise reduction acoustic module comprising an osteophonic transducer, capable of being positioned on a side flank of the head of the user and of transmitting a vibratory signal transformed by bone conduction into an acoustic signal which may be perceived by the user, connected to said microphone, while said at least one acoustic module includes an electronic circuit capable of generating a vibratory signal giving the possibility of attenuating perception of said ambient noise by the user.

    Abstract translation: 本发明涉及一种能够产生主动降噪的声学装置,其可以位于使用者的头部,该声学装置包括至少一个麦克风,其能够感测表示环境噪声的声音信号,包括至少一个主动降噪声学模块 包括骨骼换能器,能够定位在使用者的头部的侧面,并且将通过骨传导转换的振动信号传递到连接到所述麦克风的用户可感知的声学信号,同时至少 一个声学模块包括能够产生振动信号的电子电路,该振动信号具有衰减用户对所述环境噪声的感知的可能性。

    Active sound reduction system and method
    7.
    发明授权
    Active sound reduction system and method 有权
    主动减音系统及方法

    公开(公告)号:US09384727B2

    公开(公告)日:2016-07-05

    申请号:US13387763

    申请日:2010-07-30

    CPC classification number: G10K11/1788 G10K11/178

    Abstract: The present invention refers to an active sound reduction system and method for attenuation of sound emitted by a primary sound source, especially for attenuation of snoring sounds emitted by a human being. This system comprises a primary sound source, at least one speaker as a secondary sound source for producing an attenuating sound to be superposed with the sound emitted by said primary sound source, a reference microphone for receiving sound from said primary sound source, and at least one error microphone being allocated to each speaker to form a speaker/microphone pair. The at least one error microphone is provided as a directional microphone pointing at its allocated speaker to receive residual sound resulting from the superposition of the sounds from the primary sound source and the corresponding speaker. The error microphone and speaker of at least one speaker/microphone pair and the primary sound source are arranged substantially collinear. A control unit is provided to receive an output reference signal of the reference microphone representing the sound received by the reference microphone and an output error signal of the at least one error microphone representing the sound received by the at least one error microphone and to calculate a control signal for the speaker from the output reference signal and the output error signal.

    Abstract translation: 本发明涉及一种用于衰减由主声源发出的声音的主动减声系统和方法,特别是用于衰减由人发射的打鼾音。 该系统包括主声源,至少一个扬声器作为次声源,用于产生与所述主声源发射的声音叠加的衰减声音,用于从所述主声源接收声音的参考麦克风,并且至少 一个错误麦克风被分配给每个扬声器以形成扬声器/麦克风对。 提供至少一个误差麦克风作为指向其分配的扬声器的定向麦克风,以接收由来自主声源和相应扬声器的声音叠加而产生的残留声音。 至少一个扬声器/麦克风对和主声源的误差麦克风和扬声器基本上共线布置。 提供控制单元以接收表示由参考麦克风接收的声音的参考麦克风的输出参考信号,以及表示由至少一个误差麦克风接收的声音的至少一个误差麦克风的输出误差信号,并计算一个 来自输出参考信号的扬声器的控制信号和输出误差信号。

    NOISE CANCELLATION SYSTEM
    8.
    发明申请
    NOISE CANCELLATION SYSTEM 有权
    噪声消除系统

    公开(公告)号:US20160027428A1

    公开(公告)日:2016-01-28

    申请号:US14800308

    申请日:2015-07-15

    Abstract: Active noise cancellation may be provided by a variety of systems, methods and techniques. General aspects, for example, include an active noise cancellation system, a controller for an active noise cancellation system, and/or a method of generating an anti-noise signal. In one example aspect, an active noise cancellation system for an aircraft In-flight entertainment system may include at least one input device, a processing means, and an output. The input device may be associated with a seat on the aircraft and adapted to receive an input representative of an ambient noise in the vicinity of the seat. The processing means may be adapted to process the input to produce an output signal adapted to reduce the ambient noise in volume associated with the seat. The output may be adapted to transmit an output signal to at least one driver, which is adapted to transmit the output signal to a user.

    Abstract translation: 主动噪声消除可以通过各种系统,方法和技术来提供。 一般方面,例如包括有源噪声消除系统,用于主动噪声消除系统的控制器和/或产生抗噪声信号的方法。 在一个示例方面,用于飞行器飞行娱乐系统的主动噪声消除系统可以包括至少一个输入设备,处理装置和输出。 输入设备可以与飞机上的座椅相关联并且适于接收代表座椅附近的环境噪声的输入。 处理装置可以适于处理输入以产生适于减少与座椅相关的体积的环境噪声的输出信号。 输出可以适于将输出信号发送到至少一个驱动器,其适于将输出信号发送给用户。

    Active noise attenuation system
    10.
    发明授权
    Active noise attenuation system 失效
    主动噪声衰减系统

    公开(公告)号:US6084971A

    公开(公告)日:2000-07-04

    申请号:US872506

    申请日:1997-06-10

    Applicant: Ian R. McLean

    Inventor: Ian R. McLean

    CPC classification number: F02M35/125 F02M35/10373 G10K11/1788

    Abstract: A noise attenuation system for the air induction ducting particularly for an internal combustion engine has an outwardly facing loudspeaker mounted within an air inlet duct so as to lie in the plane of the air intake opening. Signals from an error microphone (and also optionally a detector microphone) are processed in a signal controller, the output driver used to drive the loudspeaker so that a cancellation sound field is produced, which attenuates the noise emanating from the air intake. The speaker is mounted on a fairing body creating an annular flow passage, a filter element ring inserted in the annular space.

    Abstract translation: 用于特别用于内燃机的空气感应管道的噪声衰减系统具有安装在空气入口管道内的向外扬声器,以便位于进气口的平面中。 来自错误麦克风(以及可选的检测器麦克风)的信号在信号控制器中处理,输出驱动器用于驱动扬声器,从而产生消除声场,从而衰减从进气口发出的噪声。 扬声器安装在整流罩上,产生环形流动通道,插入环形空间中的过滤元件环。

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