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    DYNAMIC VALVE FOR AN ELECTRONIC DEVICE
    46.
    发明申请
    DYNAMIC VALVE FOR AN ELECTRONIC DEVICE 有权

    公开(公告)号：US20230093626A1

    公开(公告)日：2023-03-23

    申请号：US17482818

    申请日：2021-09-23

    Applicant: Apple Inc.

    Inventor： Gokhan Hatipoglu ,  Peter C. Hrudey ,  Scott C. Grinker ,  Ankur Jain ,  Patrick B. Wright

    IPC: H04R1/28 ,  F16K15/16 ,  H04R1/02 ,  H04R3/00

    Abstract: A portable electronic device comprising: an enclosure having an enclosure wall that forms an interior chamber and a sound output port to an ambient environment; a transducer positioned within the interior chamber and dividing the interior chamber into a front volume chamber coupling a first side of the transducer to the sound output port and a back volume chamber coupled to a second side of the transducer; and an electromechanical valve comprising a number of flaps operable to open and close a vent to the interior chamber, the front volume chamber or the back volume chamber.

    IN-EAR SPEAKER HYBRID AUDIO TRANSPARENCY SYSTEM
    47.
    发明申请
    IN-EAR SPEAKER HYBRID AUDIO TRANSPARENCY SYSTEM 有权

    公开(公告)号：US20220386016A1

    公开(公告)日：2022-12-01

    申请号：US17744352

    申请日：2022-05-13

    Applicant: Apple Inc.

    Inventor： Scott C. Grinker

    IPC: H04R1/10

    Abstract: A user content audio signal is converted into sound that is delivered into an ear canal of a wearer of an in-ear speaker, while the in-ear speaker is sealing off the ear canal against ambient sound leakage. An acoustic or venting valve in the in-ear speaker is automatically signaled to open, so that sound inside the ear canal is allowed to travel out into an ambient environment through the valve, while activating conversion of an ambient content audio signal into sound for delivery into the ear canal. Both user content and ambient content are heard by the wearer. The ambient content audio signal is digitally processed so that certain frequency components have been gain adjusted, based on an equalization profile, so as to compensate for some of the insertion loss that is due to the in-ear speaker blocking the ear canal. Other embodiments are also described and claimed.

    Earbud stability anchor feature
    48.
    发明授权
    Earbud stability anchor feature 有权

    公开(公告)号：US11297410B2

    公开(公告)日：2022-04-05

    申请号：US17073109

    申请日：2020-10-16

    Applicant: Apple Inc.

    Inventor： Glenn K. Trainer ,  Craig M. Stanley ,  Scott C. Grinker

    IPC: H04R1/10

    Abstract: An earbud design is disclosed that is configured to sit securely within an ear of a user. The earbud can be secured within the ear by an anchoring feature formed from an elastomeric material. The anchoring feature has a size and shape in accordance with an interior geometry of an ear of a user. Because the anchoring feature positions the earbud with respect to the ear, geometries of the earbud can be focused upon audio performance and/or device aesthetics. In some embodiments, the earbud housing can have a linear design which allows an audio driver within the earbud housing to be positioned close to an opening defined by the earbud housing. In this way, acoustic degradation associated with a long audio path from the audio driver to the opening can be avoided.

    IN-EAR SPEAKER HYBRID AUDIO TRANSPARENCY SYSTEM
    49.
    发明申请
    IN-EAR SPEAKER HYBRID AUDIO TRANSPARENCY SYSTEM 审中-公开

    公开(公告)号：US20200245052A1

    公开(公告)日：2020-07-30

    申请号：US16844604

    申请日：2020-04-09

    Applicant: Apple Inc.

    Inventor： Scott C. Grinker

    IPC: H04R1/10 ,  H04R3/04 ,  G10K11/178

    Abstract: A user content audio signal is converted into sound that is delivered into an ear canal of a wearer of an in-ear speaker, while the in-ear speaker is sealing off the ear canal against ambient sound leakage. An acoustic or venting valve in the in-ear speaker is automatically signaled to open, so that sound inside the ear canal is allowed to travel out into an ambient environment through the valve, while activating conversion of an ambient content audio signal into sound for delivery into the ear canal. Both user content and ambient content are heard by the wearer. The ambient content audio signal is digitally processed so that certain frequency components have been gain adjusted, based on an equalization profile, so as to compensate for some of the insertion loss that is due to the in-ear speaker blocking the ear canal. Other embodiments are also described and claimed.

    Headphone transparency, occlusion effect mitigation and wind noise detection
    50.
    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.

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