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    Point-to-point ad hoc voice communications
    41.
    发明授权
    Point-to-point ad hoc voice communications 有权

    公开(公告)号：US10728939B2

    公开(公告)日：2020-07-28

    申请号：US16112555

    申请日：2018-08-24

    Applicant: Apple Inc.

    Inventor： Esge B. Andersen ,  Cedrik Bacon

    IPC: H04W76/14 ,  H04W84/18 ,  H04W76/10 ,  G06F3/0488 ,  G06F3/0481 ,  G06F3/0484 ,  G06F3/16 ,  G10L15/22 ,  G06F3/0482

    Abstract: A wireless communication device establishes voice communication between a supported user and a selected remote device supporting another user via a point-to-point wireless ad hoc network link. The device selects a particular remote device, establishes an ad hoc network link with the selected remote device, and communicates voice communication signals with the selected remote device. Selection can be based upon a user interaction with the device which specifies the particular remote device. The user interaction can include interaction with a graphical representation of the particular remote device presented in a graphical user interface. The user interaction can include an audio command received via an audio interface of the device. The device can include one or more headset devices, including a pair of headset devices which can be switched between providing audio signals to a single user to supporting communication between separate users via an ad hoc network link.

    Headphone transparency, occlusion effect mitigation and wind noise detection
    42.
    发明授权
    Headphone transparency, occlusion effect mitigation and wind noise detection 有权

    公开(公告)号：US10657950B2

    公开(公告)日：2020-05-19

    申请号：US16036806

    申请日：2018-07-16

    Applicant: Apple Inc.

    Inventor： Thanh Phong Hua ,  Esge B. Andersen ,  Tom-Davy W. Saux ,  Scott C. Grinker

    IPC: G10K11/178 ,  H04R1/10

    Abstract: A headphone has a driver, an internal microphone, an accelerometer, and an external microphone. An audio processor analyzes signals to detect wind noise. Gain of lower frequencies is reduced relative to higher frequencies, in a first filter that is operating on an audio signal from the external microphone in a feedforward path, responsive to detecting increased wind noise. A second filter in an audio signal feedback path may be adjusted to compensate for the gain change in the first filter that may mitigate occlusion effect. Outputs of the feedforward path in the feedback path are combined to produce an audio signal for the driver. The driver produces sound in the aural canal that has transparency with reduced wind noise, relative to sound external to the headphone. Other aspects are also described and claimed.

    LIQUID INGRESS-REDIRECTING ACOUSTIC DEVICE RESERVOIR
    43.
    发明申请
    LIQUID INGRESS-REDIRECTING ACOUSTIC DEVICE RESERVOIR 有权
    液体注入 - 重新设计声音设备储存器

    公开(公告)号：US20160316285A1

    公开(公告)日：2016-10-27

    申请号：US14695357

    申请日：2015-04-24

    Applicant: APPLE INC.

    Inventor： Phillip Qian ,  Edward Siahaan ,  Erik L. Wang ,  Esge B. Andersen

    IPC: H04R1/02 ,  H04R1/08

    CPC classification number: H04R1/086

    Abstract: An acoustic device such as a microphone or speaker is positioned with and coupled to a housing to connect an acoustic port of the acoustic device with an external opening of the housing. A reservoir is connected to the external opening via a bleed channel. The bleed channel may be less resistive to liquid ingress than the acoustic port. As such, the reservoir and bleed channel may redirect liquid from the external opening away from the acoustic port. In some implementations, the reservoir and/or the bleed channel may be defined by one or more acoustically permeable barriers such as meshes that cover the acoustic port, compressible materials such as foams that form a perimeter around the acoustic port, and/or adhesive layers that couple the acoustic device, the housing, and/or one or more other components.

    Abstract translation: 诸如麦克风或扬声器之类的声学装置被定位并连接到壳体，以将声学装置的声学接口与壳体的外部开口相连接。 储液器通过排放通道连接到外部开口。 泄放通道可能比声学端口对液体进入的阻力更小。 因此，储存器和排出通道可以将液体从外部开口转向远离声学端口。 在一些实施方案中，储存器和/或排放通道可以由一个或多个声透过性屏障限定，例如覆盖声学端口的网孔，可压缩材料，例如围绕声学端口形成周边的泡沫，和/或粘合剂层 耦合声学装置，壳体和/或一个或多个其它部件。

    System and method of mixing accelerometer and microphone signals to improve voice quality in a mobile device
    44.
    发明授权
    System and method of mixing accelerometer and microphone signals to improve voice quality in a mobile device 有权
    混合加速度计和麦克风信号的系统和方法，以改善移动设备中的语音质量

    公开(公告)号：US09363596B2

    公开(公告)日：2016-06-07

    申请号：US13840667

    申请日：2013-03-15

    Applicant: Apple Inc.

    Inventor： Sorin V. Dusan ,  Aram Lindahl ,  Esge B. Andersen

    IPC: G10L21/0232 ,  H04R1/46 ,  G10L25/90 ,  H04R1/10 ,  G10L21/0216 ,  H04R3/00

    CPC classification number: H04R1/46 ,  G10L21/0216 ,  G10L25/90 ,  G10L2021/02166 ,  G10L2021/02168 ,  H04R1/1033 ,  H04R1/1041 ,  H04R1/1083 ,  H04R3/005 ,  H04R2201/107 ,  H04R2460/13

    Abstract: A method of improving voice quality in a mobile device starts by receiving acoustic signals from microphones included in earbuds and the microphone array included on a headset wire. The headset may include the pair of earbuds and the headset wire. An output from an accelerometer that is included in the pair of earbuds is then received. The accelerometer may detect vibration of the user's vocal chords filtered by the vocal tract based on vibrations in bones and tissue of the user's head. A spectral mixer included in the mobile device may then perform spectral mixing of the scaled output from the accelerometer with the acoustic signals from the microphone array to generate a mixed signal. Performing spectral mixing includes scaling the output from the inertial sensor by a scaling factor based on a power ratio between the acoustic signals from the microphone array and the output from the inertial sensor. Other embodiments are also described.

    Abstract translation: 一种改善移动设备中的语音质量的方法是通过从耳机线中包括的耳塞和麦克风阵列中的麦克风接收声信号而开始的。 耳机可以包括一对耳塞和耳机线。 然后接收来自包括在该对耳塞中的加速度计的输出。 加速度计可以基于用户头部的骨骼和组织中的振动来检测由声道过滤的用户的声带的振动。 包括在移动设备中的频谱混频器然后可以执行来自加速度计的缩放输出与来自麦克风阵列的声学信号的频谱混合，以产生混合信号。 执行频谱混合包括基于来自麦克风阵列的声学信号与惯性传感器的输出之间的功率比的比例因子来缩放惯性传感器的输出。 还描述了其它实施例。

    Mass loaded earbud with vent chamber
    49.
    发明授权
    Mass loaded earbud with vent chamber 有权

    公开(公告)号：US11575985B2

    公开(公告)日：2023-02-07

    申请号：US17002619

    申请日：2020-08-25

    Applicant: Apple Inc.

    Inventor： Yacine Azmi ,  Esge B. Andersen ,  Jonathan S. Aase ,  Michael B. Howes

    IPC: H04R1/10 ,  H04R1/28

    Abstract: Intra-concha earphones are disclosed. In an embodiment, an intra-concha earphone includes a housing having a rear space divided into a back volume, a bass duct, and a vent chamber between a driver and a rear wall. The vent chamber may be acoustically coupled with the back volume through both an acoustic port and the bass duct. Furthermore, the vent chamber may be acoustically coupled with a surrounding environment through a vent port, which may be a sole acoustic opening in the rear wall. Thus, sound emitted by the driver may propagate through the acoustic port and the bass duct to meet in the vent chamber before being discharged through the vent port to the surrounding environment. Other embodiments are also described and claimed.

    Spectral blending with interior microphone
    50.
    发明授权
    Spectral blending with interior microphone 有权

    公开(公告)号：US11258908B2

    公开(公告)日：2022-02-22

    申请号：US16935594

    申请日：2020-07-22

    Applicant: Apple Inc.

    Inventor： Thanh P. Hua ,  Esge B. Andersen

    IPC: H04B15/00 ,  H04M9/08 ,  H04R19/04 ,  H04R1/10 ,  G10L21/0208

    Abstract: A headphone can include plurality of exterior microphones, that generates corresponding exterior microphone signals, an accelerometer that generates an accelerometer signal; and an interior microphone, not directly exposed to the environment, that generates an interior microphone signal. A processor of the headphone can be configured to generate an audio signal containing voice of a user, based on a) the accelerometer signal, b) the interior microphone signal, and c) the plurality of exterior microphone signals.

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