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公开(公告)号：US20210306751A1
公开(公告)日：2021-09-30
申请号：US17214446
申请日：2021-03-26
Applicant: Magic Leap, Inc.
Inventor： David Thomas ROACH , Jean-Marc JOT , Jung-Suk LEE
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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公开(公告)号：US20240163612A1
公开(公告)日：2024-05-16
申请号：US18418131
申请日：2024-01-19
Applicant: Magic Leap, Inc.
Inventor： David Thomas ROACH , Jean-Marc JOT , Jung-Suk LEE
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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公开(公告)号：US20230308801A1
公开(公告)日：2023-09-28
申请号：US18327709
申请日：2023-06-01
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 , H04R3/14 , H04R5/04 , H04S1/00
CPC classification number: H04R1/1066 , H04R5/0335 , H04R1/1041 , H04R1/1083 , H04M1/05 , H04M1/6058 , H04S7/304 , H04R1/028 , H04R1/1008 , H04R1/105 , H04R1/1075 , H04R3/14 , H04R5/04 , H04S1/007 , G02C11/10
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.
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Patent Agency Ranking
公开(公告)号：US20250024189A1
公开(公告)日：2025-01-16
申请号：US18900477
申请日：2024-09-27
Applicant: Magic Leap, Inc.
Inventor： Brian Lloyd SCHMIDT , David Thomas ROACH , Michael Z. LAND , Richard D. HERR
IPC: H04R1/10 , G02C11/00 , G02C11/06 , H04M1/05 , H04M1/60 , H04R1/02 , H04R1/26 , H04R1/28 , H04R1/34 , H04R3/14 , H04R5/033 , H04R5/04 , H04S1/00 , H04S7/00
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.
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公开(公告)号：US20240406666A1
公开(公告)日：2024-12-05
申请号：US18697914
申请日：2022-10-03
Applicant: Magic Leap, Inc.
Inventor： Remi Samuel AUDFRAY , Jean-Marc JOT , David Thomas ROACH
IPC: H04S7/00
Abstract: Disclosed herein are systems and methods for capturing a sound field, in particular, using a mixed reality device. In some embodiments, a method comprises: detecting, with a microphone of a first wearable-head device, a sound of an environment; determining a digital audio signal based on the detected sound, the digital audio signal associated with a sphere having a position in the environment; concurrently with detecting the sound, a microphone movement with respect to the environment; adjusting the digital audio signal, wherein the adjusting comprises adjusting the position of the sphere based on based on the detected microphone movement.
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公开(公告)号：US20250168567A1
公开(公告)日：2025-05-22
申请号：US19026149
申请日：2025-01-16
Applicant: Magic Leap, Inc.
Inventor： David Thomas ROACH , Jean-Marc JOT , Jung-Suk LEE
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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公开(公告)号：US20210044915A1
公开(公告)日：2021-02-11
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
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.
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公开(公告)号：US20190327574A1
公开(公告)日：2019-10-24
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
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.
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