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    Mixed reality system with spatialized audio
    1.
    发明授权
    Mixed reality system with spatialized audio 有权

    公开(公告)号：US10390165B2

    公开(公告)日：2019-08-20

    申请号：US15666210

    申请日：2017-08-01

    Applicant: Magic Leap, Inc.

    Inventor： David Thomas Roach ,  Samuel A Miller ,  George Alistair Sanger ,  Brian Schmidt ,  Terry Michael O'Gara ,  Anastasia Andreyevna Tajik ,  Jehangir Tajik

    IPC: H04S7/00 ,  G02B27/01

    Abstract: A dual source spatialized audio system includes a general audio system and a personal audio system. The general system includes a general audio processor and general speakers to produce general sound. The personal system includes a frame to be worn on a head of a user and a plurality of personal speakers attached to the frame. The personal system also includes a head pose sensor to collect head pose data of the user. The personal system further includes a head pose processor to determine a head pose of the user from the head pose data. Moreover, the personal system includes a personal audio processor to generate personal audio data based on the head pose of the user. The personal speakers generate personal sound corresponding to the personal audio data. The personal processor receives timing information/metadata from the general audio processor to synchronize the personal sound with the general sound.

    MIXED REALITY SYSTEM WITH SPATIALIZED AUDIO
    2.
    发明申请
    MIXED REALITY SYSTEM WITH SPATIALIZED AUDIO 审中-公开

    公开(公告)号：US20180035234A1

    公开(公告)日：2018-02-01

    申请号：US15666210

    申请日：2017-08-01

    Applicant: Magic Leap, Inc.

    Inventor： David Thomas Roach ,  Samuel A. Miller ,  George Alistair Sanger ,  Brian Schmidt ,  Terry Micheal O'Gara ,  Anastasia Andreyevna Tajik ,  Jehangir Tajik

    IPC: H04S7/00

    CPC classification number: H04S7/303 ,  G02B27/017 ,  H04S2400/11 ,  H04S2400/15 ,  H04S2420/01

    Abstract: A dual source spatialized audio system includes a general audio system and a personal audio system. The general system includes a general audio processor and general speakers to produce general sound. The personal system includes a frame to be worn on a head of a user and a plurality of personal speakers attached to the frame. The personal system also includes a head pose sensor to collect head pose data of the user. The personal system further includes a head pose processor to determine a head pose of the user from the head pose data. Moreover, the personal system includes a personal audio processor to generate personal audio data based on the head pose of the user. The personal speakers generate personal sound corresponding to the personal audio data. The personal processor receives timing information/metadata from the general audio processor to synchronize the personal sound with the general sound.

    NON-BLOCKING DUAL DRIVER EARPHONES
    3.
    发明申请
    NON-BLOCKING DUAL DRIVER EARPHONES 有权

    公开(公告)号：US20220109933A1

    公开(公告)日：2022-04-07

    申请号：US17517579

    申请日：2021-11-02

    Applicant: Magic Leap, Inc.

    Inventor： Brian Lloyd Schmidt ,  David Thomas Roach ,  Michael Z. Land ,  Richard D. Herr

    IPC: H04R5/033 ,  H04R5/04 ,  H04S1/00 ,  H04R3/14 ,  H04R1/10

    Abstract: A head-worn sound reproduction device is provided in the form of left and right earphones, which can either be clipped to each ear or mounted on other headgear. The earphones deliver high fidelity audio to a user's eardrums from near-ear range, in a lightweight form factor that is fully “non-blocking” (allows coupling in and natural hearing of ambient sound). Each earphone has a woofer component that produces bass frequencies, and a tweeter component that produces treble frequencies. The woofer outputs the bass frequencies from a position close to the ear canal, while the tweeter outputs treble frequencies from a position that is either close to the ear canal or further away. In certain embodiments, the tweeter is significantly further from the ear canal than the woofer, leading to a more expansive perceived “sound stage”, but still with a “pure” listening experience.

    Mixed reality system with spatialized audio
    4.
    发明授权
    Mixed reality system with spatialized audio 有权

    公开(公告)号：US11240622B2

    公开(公告)日：2022-02-01

    申请号：US17082556

    申请日：2020-10-28

    Applicant: MAGIC LEAP, INC.

    Inventor： David Thomas Roach ,  Samuel A. Miller ,  George Alistair Sanger ,  Brian Schmidt ,  Terry Micheal O'Gara ,  Anastasia Andreyevna Tajik ,  Jehangir Tajik

    IPC: H04S7/00 ,  G02B27/01

    Abstract: A dual source spatialized audio system includes a general audio system and a personal audio system. The general system includes a general audio processor and general speakers to produce general sound. The personal system includes a frame to be worn on a head of a user and a plurality of personal speakers attached to the frame. The personal system also includes a head pose sensor to collect head pose data of the user. The personal system further includes a head pose processor to determine a head pose of the user from the head pose data. Moreover, the personal system includes a personal audio processor to generate personal audio data based on the head pose of the user. The personal speakers generate personal sound corresponding to the personal audio data. The personal processor receives timing information/metadata from the general audio processor to synchronize the personal sound with the general sound.

    Non-blocking dual driver earphones
    5.
    发明授权
    Non-blocking dual driver earphones 有权

    公开(公告)号：US11190867B2

    公开(公告)日：2021-11-30

    申请号：US15941361

    申请日：2018-03-30

    Applicant: MAGIC LEAP, INC.

    Inventor： Brian Lloyd Schmidt ,  David Thomas Roach ,  Michael Z. Land ,  Richard D. Herr

    IPC: H04R1/10 ,  H04R5/033 ,  H04M1/05 ,  H04M1/60 ,  H04S7/00 ,  H04R1/02 ,  G02C11/00 ,  G02C11/06 ,  H04R1/34 ,  H04R1/28 ,  H04R1/26

    Abstract: A head-worn sound reproduction device is provided in the form of left and right earphones, which can either be clipped to each ear or mounted on other headgear. The earphones deliver high fidelity audio to a user's eardrums from near-ear range, in a lightweight form factor that is fully “non-blocking” (allows coupling in and natural hearing of ambient sound). Each earphone has a woofer component that produces bass frequencies, and a tweeter component that produces treble frequencies. The woofer outputs the bass frequencies from a position close to the ear canal, while the tweeter outputs treble frequencies from a position that is either close to the ear canal or further away. In certain embodiments, the tweeter is significantly further from the ear canal than the woofer, leading to a more expansive perceived “sound stage”, but still with a “pure” listening experience.

    Mixed reality system with spatialized audio
    6.
    发明授权
    Mixed reality system with spatialized audio 有权

    公开(公告)号：US10856095B2

    公开(公告)日：2020-12-01

    申请号：US16502999

    申请日：2019-07-03

    Applicant: MAGIC LEAP, INC.

    Inventor： David Thomas Roach ,  Samuel A. Miller ,  George Alistair Sanger ,  Brian Schmidt ,  Terry Micheal O'Gara ,  Anastasia Andreyevna Tajik ,  Jehangir Tajik

    IPC: H04S7/00 ,  G02B27/01

    Abstract: A dual source spatialized audio system includes a general audio system and a personal audio system. The general system includes a general audio processor and general speakers to produce general sound. The personal system includes a frame to be worn on a head of a user and a plurality of personal speakers attached to the frame. The personal system also includes a head pose sensor to collect head pose data of the user. The personal system further includes a head pose processor to determine a head pose of the user from the head pose data. Moreover, the personal system includes a personal audio processor to generate personal audio data based on the head pose of the user. The personal speakers generate personal sound corresponding to the personal audio data. The personal processor receives timing information/metadata from the general audio processor to synchronize the personal sound with the general sound.

    Method of waking a device using spoken voice commands
    7.
    发明授权
    Method of waking a device using spoken voice commands 有权

    公开(公告)号：US12238496B2

    公开(公告)日：2025-02-25

    申请号：US18418131

    申请日：2024-01-19

    Applicant: Magic Leap, Inc.

    Inventor： David Thomas Roach ,  Jean-Marc Jot ,  Jung-Suk Lee

    IPC: H04R3/00 ,  G02B27/01 ,  G10L15/08 ,  H04R3/04 ,  H04R5/033 ,  H04R5/04 ,  G06T19/00

    Abstract: Disclosed herein are systems and methods for processing speech signals in mixed reality applications. A method may include receiving an audio signal; determining, via first processors, whether the audio signal comprises a voice onset event; in accordance with a determination that the audio signal comprises the voice onset event: waking a second one or more processors; determining, via the second processors, that the audio signal comprises a predetermined trigger signal; in accordance with a determination that the audio signal comprises the predetermined trigger signal: waking third processors; performing, via the third processors, automatic speech recognition based on the audio signal; and in accordance with a determination that the audio signal does not comprise the predetermined trigger signal: forgoing waking the third processors; and in accordance with a determination that the audio signal does not comprise the voice onset event: forgoing waking the second processors.

    Method of waking a device using spoken voice commands
    8.
    发明授权
    Method of waking a device using spoken voice commands 有权

    公开(公告)号：US11917384B2

    公开(公告)日：2024-02-27

    申请号：US17214446

    申请日：2021-03-26

    Applicant: Magic Leap, Inc.

    Inventor： David Thomas Roach ,  Jean-Marc Jot ,  Jung-Suk Lee

    IPC: H04R3/00 ,  G10L15/08 ,  H04R5/04 ,  H04R5/033 ,  G02B27/01 ,  H04R3/04 ,  G06T19/00

    CPC classification number: H04R5/04 ,  G02B27/0172 ,  G10L15/08 ,  H04R3/005 ,  H04R3/04 ,  H04R5/033 ,  G06T19/006

    Abstract: Disclosed herein are systems and methods for processing speech signals in mixed reality applications. A method may include receiving an audio signal; determining, via first processors, whether the audio signal comprises a voice onset event; in accordance with a determination that the audio signal comprises the voice onset event: waking a second one or more processors; determining, via the second processors, that the audio signal comprises a predetermined trigger signal; in accordance with a determination that the audio signal comprises the predetermined trigger signal: waking third processors; performing, via the third processors, automatic speech recognition based on the audio signal; and in accordance with a determination that the audio signal does not comprise the predetermined trigger signal: forgoing waking the third processors; and in accordance with a determination that the audio signal does not comprise the voice onset event: forgoing waking the second processors.

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