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公开(公告)号：US20250095667A1
公开(公告)日：2025-03-20
申请号：US18889567
申请日：2024-09-19
Applicant: NXP B.V.
IPC: G10L21/0216 , G06V10/764 , G06V20/40 , G10L25/21 , G10L25/57 , G10L25/84
Abstract: An interference signal reduction system and method of interference signal reduction is described. An input signal includes a plurality of signal segments (frames). The input signal is provided to a machine learning model trained to output an estimate of a desired target signal from the input signal. Each signal segment maybe classified as a target-only signal segment, an interference-only signal segment, or an undefined signal segment. The machine learning model may be adapted based on the target-only signal segments and the interference-only signal segments.
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公开(公告)号：US12003264B2
公开(公告)日：2024-06-04
申请号：US17823263
申请日：2022-08-30
Applicant: NXP B.V.
Inventor： Christophe Marc Macours , Temujin Gautama , Alexander Barry Young
IPC: H04B1/12
CPC classification number: H04B1/12
Abstract: A signal processor and method of signal processing for a radio receiver is described. An input signal is received together with a spectral repetition interval value of an interferer signal. An interference reference signal is generated from the received spectral repetition interval value and the received signal. The received signal is adapted using the generated interference reference signal.
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公开(公告)号：US09894194B2
公开(公告)日：2018-02-13
申请号：US14315060
申请日：2014-06-25
Applicant: NXP B.V.
Inventor： Christophe Marc Macours
IPC: H04B1/06 , H04M1/00 , H04M9/00 , H04R5/00 , H04R29/00 , H04R3/00 , G10L21/00 , H04M1/60 , H03G5/00 , H03G5/16
CPC classification number: H04M1/605 , H03G5/005 , H03G5/165 , H04M1/6041 , H04R2499/11
Abstract: Mobile devices such as mobile phones typically have two speakers, one for use in a hand-set mode and one for use in a hands-free mode. A mobile device (1100) is described operable to switch between a hand-set mode and a hands-free mode, the mobile device includes a receiver speaker (10) operable in the hand-set mode and the hands-free mode of the mobile device, and a hands-free speaker (12) operable in the hands-free mode of the mobile device. The mobile device is operable in hands-free mode to route at least one audio signal to the receiver speaker and the hands-free speaker. Using the hands-free speaker and the receiver speaker may improve the sound quality without increasing the cost.
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公开(公告)号：US09866958B2
公开(公告)日：2018-01-09
申请号：US15333897
申请日：2016-10-25
Applicant: NXP B.V.
Inventor： Christophe Marc Macours
IPC: H04R3/00
CPC classification number: H04R3/005 , H04R1/326 , H04R2400/01 , H04R2430/21 , H04R2499/11
Abstract: An acoustic processor for a mobile device is described the mobile device comprising a speaker including a speaker membrane, the speaker membrane having a first speaker membrane side and second speaker membrane side opposite the first speaker membrane side, a mobile device housing for providing a first acoustic path between the first speaker membrane side and the exterior of the mobile device and a second acoustic path between the second speaker membrane side and the exterior of the mobile device, the acoustic processor being configured and arranged to sense a signal on an acoustic processor input, the signal being induced on at least one terminal of the speaker in response to acoustic waves process the induced signal to discriminate between acoustic waves from different directions; and output the processed signal on an acoustic processor output.
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公开(公告)号：US09820075B2
公开(公告)日：2017-11-14
申请号：US14995261
申请日：2016-01-14
Applicant: NXP B.V.
Inventor： Christophe Marc Macours
CPC classification number: H04S7/30 , H03G7/002 , H03G9/025 , H04M1/6016 , H04R3/007 , H04R5/04 , H04R29/001 , H04R2499/11
Abstract: The present disclosure relates to a system for and method of stereophonic widening in loudspeakers. The method includes the steps of: monitoring an amplifier state and/or loudspeaker state; generating an effect control signal in response to monitoring the amplifier state and/or a loudspeaker state; applying the effect control signal to an effect processor. The effect processor controls an amount of stereophonic widening based on the effect control signal.
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Patent Agency Ranking
公开(公告)号：US09661198B2
公开(公告)日：2017-05-23
申请号：US14615318
申请日：2015-02-05
Applicant: NXP B.V.
Inventor： Christophe Marc Macours , Shawn William Scarlett , Michael Joehren
IPC: H04N5/232 , H04N5/225 , H02P6/18 , H02P25/034
CPC classification number: H04N5/2253 , H02P6/183 , H02P25/034
Abstract: A voice coil motor displacement sensor and a voice coil motor controller that uses said sensor. The sensor configured to apply an alternating measurement signal at a predetermined frequency to a voice coil motor, the sensor configured to use a measure of a voltage across and a current through the voice coil motor to determine its impedance at the predetermined frequency and determine an estimated displacement of said voice coil motor using said impedance and a predetermined displacement-impedance function.
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公开(公告)号：US20170118556A1
公开(公告)日：2017-04-27
申请号：US15333897
申请日：2016-10-25
Applicant: NXP B.V.
Inventor： Christophe Marc Macours
IPC: H04R3/00
CPC classification number: H04R3/005 , H04R1/326 , H04R2400/01 , H04R2430/21 , H04R2499/11
Abstract: An acoustic processor for a mobile device is described the mobile device comprising a speaker including a speaker membrane, the speaker membrane having a first speaker membrane side and second speaker membrane side opposite the first speaker membrane side, a mobile device housing for providing a first acoustic path between the first speaker membrane side and the exterior of the mobile device and a second acoustic path between the second speaker membrane side and the exterior of the mobile device, the acoustic processor being configured and arranged to sense a signal on an acoustic processor input, the signal being induced on at least one terminal of the speaker in response to acoustic waves process the induced signal to discriminate between acoustic waves from different directions; and output the processed signal on an acoustic processor output.
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公开(公告)号：US20150229814A1
公开(公告)日：2015-08-13
申请号：US14615318
申请日：2015-02-05
Applicant: NXP B.V.
Inventor： Christophe Marc Macours , Shawn William Scarlett , Michael Joehren
IPC: H04N5/225
CPC classification number: H04N5/2253 , H02P6/183 , H02P25/034
Abstract: A voice coil motor displacement sensor and a voice coil motor controller that uses said sensor. The sensor configured to apply an alternating measurement signal at a predetermined frequency to a voice coil motor, the sensor configured to use a measure of a voltage across and a current through the voice coil motor to determine its impedance at the predetermined frequency and determine an estimated displacement of said voice coil motor using said impedance and a predetermined displacement-impedance function.
Abstract translation: 音圈电机位移传感器和使用该传感器的音圈电机控制器。 所述传感器被配置为将预定频率的交替测量信号施加到音圈电动机，所述传感器被配置为使用跨过音频电流的测量和通过音圈电动机的电流来确定其在预定频率处的阻抗，并且确定估计 所述音圈电动机使用所述阻抗和预定位移阻抗功能的位移。
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公开(公告)号：US20150029112A1
公开(公告)日：2015-01-29
申请号：US14321064
申请日：2014-07-01
Applicant: NXP B.V.
Inventor： Christophe Marc Macours
IPC: G06F3/041
CPC classification number: G06F1/1688 , H03K17/96 , H03K17/9645 , H03K2217/96003
Abstract: A touch sensor (200) for a mobile device is disclosed which includes an acoustic port, and a loudspeaker operable to output audio through the acoustic port. The touch sensor is operable to generate a user input signal in response to the acoustic port being at least partially sealed. Partially sealing the acoustic port changes the acoustic load of the loudspeaker. The touch sensor may replace one or more hardware buttons on mobile devices such as mobile phones including smart phones. A method of operation of a touch sensor is also disclosed.
Abstract translation: 公开了一种用于移动设备的触摸传感器（200），其包括声学端口和可操作以通过声学端口输出音频的扬声器。 触摸传感器可操作以响应于至少部分地密封声学端口而产生用户输入信号。 声波部分密封改变扬声器的声学负载。 触摸传感器可以替代诸如包括智能电话在内的移动电话的移动设备上的一个或多个硬件按钮。 还公开了触摸传感器的操作方法。
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公开(公告)号：US20250078660A1
公开(公告)日：2025-03-06
申请号：US18816127
申请日：2024-08-27
Applicant: NXP B.V.
Inventor： Ashish Pandharipande , Christophe Marc Macours
Abstract: A method and apparatus for generating a vehicle acoustic alert signal for a vehicle comprising an acoustic vehicle alerting system (AVAS) is described. The method includes detecting and classifying an object. If the object is classified as a vulnerable road user (VRU), one or more VRU characteristics such as distance and velocity of the VRU are determined. An acoustic alert signal is generated and transmitted via the AVAS dependent on the at least one VRU characteristic. The at least one VRU characteristic is transmitted to a further vehicle for use in determining how the further vehicle generates an acoustic alert signal.
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