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    CURATED CONTEXTUAL OVERLAYS FOR AUGMENTED REALITY EXPERIENCES
    1.
    发明申请
    CURATED CONTEXTUAL OVERLAYS FOR AUGMENTED REALITY EXPERIENCES 审中-公开

    公开(公告)号：WO2022235729A1

    公开(公告)日：2022-11-10

    申请号：PCT/US2022/027577

    申请日：2022-05-04

    Applicant: SNAP INC.

    Inventor： BAHULKAR, Tejas

    IPC: G06F3/01

    Abstract: Example systems, devices, media, and methods are described for curating and presenting a contextual overlay that includes graphical elements and virtual elements in an augmented reality experience. A contextual overlay application implements and controls the capturing of frames of video data within a field of view of the camera. The image processing system detects, in the captured frames of video data, one or more food items in the physical environment. Detecting food items may involve computer vision and machine-trained classification models. The method includes retrieving data associated with the detected food item, curating a contextual overlay based on the retrieved data and a configurable profile, and presenting the contextual overlay on the display.

    LOW LATENCY, LOW POWER MULTI-CHANNEL AUDIO PROCESSING
    2.
    发明申请
    LOW LATENCY, LOW POWER MULTI-CHANNEL AUDIO PROCESSING 审中-公开

    公开(公告)号：WO2022245630A1

    公开(公告)日：2022-11-24

    申请号：PCT/US2022/029001

    申请日：2022-05-12

    Applicant: SNAP INC.

    Inventor： ARYA, Ashwani ,  BAHULKAR, Tejas ,  HARRIS, Daniel ,  WIGGINS, Daniel C.

    IPC: H04S7/00

    Abstract: An electronic eyewear device includes a display and a speaker system adapted to present augment reality objects and associated sounds in a scene being viewed by the user. A processor receives one or more audio tracks respectively associated with one or more augmented reality objects, encodes the audio tracks into an aggregated audio track including the audio tracks, a header for each audio track that uniquely identifies each respective audio track, and an aggregate header that identifies the number of tracks in the aggregated audio track. The processor transfers the aggregated audio track to an audio processor that uses the header for each audio track and the aggregate header to separate the audio tracks from the aggregated audio track. The audio processor processes the audio tracks independently in parallel and provides the audio tracks to the speaker system for presentation with the augmented reality objects.

    HEAD-WEARABLE APPARATUS FOR BREATHING ANALYSIS
    3.
    发明申请
    HEAD-WEARABLE APPARATUS FOR BREATHING ANALYSIS 审中-公开

    公开(公告)号：WO2022133410A1

    公开(公告)日：2022-06-23

    申请号：PCT/US2021/072861

    申请日：2021-12-10

    Applicant: SNAP INC.

    Inventor： ARYA, Ashwani ,  BAHULKAR, Tejas

    IPC: A61B7/00 ,  A61B5/08

    Abstract: Disclosed is a of monitoring the breathing of a user, comprising receiving a plurality of audio signals from a plurality of microphones and beamforming the plurality of audio signals into a beamformed audio signal. Observed breath-related parameters are derived from the beamformed audio signal and an output of or derived from the observed breath-related parameters is provided to a user of a client device. Breath metrics may be determined by comparing the observed breath-related parameters with reference breath-related parameters, and a breathing score may be derived from the breath metrics. The breathing score may be based on a combination of how closely an observed respiration of the user matches a prompted or desired respiration rate and an observed amount of time that the user's observed respiration rate is within a threshold value of the prompted or desired respiration rate.

    DEVICE WITH DYNAMIC TRANSCODE THROTTLING
    4.
    发明申请
    DEVICE WITH DYNAMIC TRANSCODE THROTTLING 审中-公开

    公开(公告)号：WO2022261055A1

    公开(公告)日：2022-12-15

    申请号：PCT/US2022/032445

    申请日：2022-06-07

    Applicant: SNAP INC.

    Inventor： ARYA, Ashwani ,  BAHULKAR, Tejas ,  OKIKE, Jonah Hephzibah

    IPC: H04N21/4402 ,  H04N21/443 ,  H04N21/422 ,  G06F1/3287

    Abstract: Dynamic transcode throttling methods and devices for processing resource management and thermal mitigation in electronic devices such as eyewear devices. An electronic device monitors its temperature and, responsive to the temperature, configures a transcoding service to operate at different rates. A frame delay module is configured to add a delay between read frames prior to the transcoding service. This enables the electronic device to consume less power when temperatures are too high in order to provide thermal mitigation and can be performed without powering down the electronic device.

    HEAD-RELATED TRANSFER FUNCTION
    5.
    发明申请
    HEAD-RELATED TRANSFER FUNCTION 审中-公开

    公开(公告)号：WO2022119697A1

    公开(公告)日：2022-06-09

    申请号：PCT/US2021/058906

    申请日：2021-11-11

    Applicant: SNAP INC.

    Inventor： ARYA, Ashwani ,  BAHULKAR, Tejas ,  HU, Dunxu ,  WIGGINS, Daniel, C.

    IPC: H04S7/00

    Abstract: Example systems, devices, media, and methods are described for efficiently processing an audio track of a virtual object with a head-related transfer function (HRTF). Audio tracks are processed by determining a current position (direction and optionally distance) of the virtual object with respect to the head of a user, identifying a current audio zone from predefined audio zones responsive to the determined current position where each of the audio zones has a corresponding left predefined filter and a corresponding right predefined filter, applying the left and the right predefined filters corresponding to the current audio zone to the audio track to produce a left audio signal and a right audio signal, and presenting the left audio signal with a first speaker and the right audio signal with a second speaker.

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