METHOD FOR IMPROVING SOUND QUALITY AND ELECTRONIC DEVICE USING SAME

    公开(公告)号:US20210249030A1

    公开(公告)日:2021-08-12

    申请号:US17167238

    申请日:2021-02-04

    摘要: According to certain embodiments, an electronic device comprises a microphone configured to acquire a signal including a voice signal and noise signal; a speaker; a memory; and a processor, wherein the processor is configured to: receive the signal from the microphone, wherein the signal corresponds to a plurality of predetermined frequency bands; identify portions of the signal corresponding to a first band and a second band of the plurality of frequency bands; calculate a signal-to-noise ratio (SNR) values for each predetermined frequency band, based on the signal; obtain a first parameter for correcting the portion of the signal corresponding to the first band and a second parameter for correcting the portion of the signal corresponding to the second band, based on the calculated SNR values for the first band and the second band; and apply the first parameter and the second parameter to each of the predetermined frequency bands.

    ULTRASOUND APPARATUS AND METHOD OF GENERATING ULTRASOUND IMAGE
    4.
    发明申请
    ULTRASOUND APPARATUS AND METHOD OF GENERATING ULTRASOUND IMAGE 审中-公开
    超声波设备和超声波图像的生成方法

    公开(公告)号:US20130218014A1

    公开(公告)日:2013-08-22

    申请号:US13768627

    申请日:2013-02-15

    IPC分类号: A61B8/08

    摘要: A method of generating an ultrasound image includes transmitting an ultrasound signal to a predetermined point included in an object and receiving at least three response signals reflected from the predetermined point; extracting a plurality of response signal pairs by combining the received at least three response signals two-by-two; obtaining a plurality of pieces of prediction vector information, each of the pieces of prediction vector information indicating a prediction velocity magnitude and a prediction velocity direction of the predetermined point, based on reception angles and Doppler frequencies of the response signals included in the plurality of response signal pairs; and determining vector information indicating a velocity magnitude and a velocity direction of the predetermined point, based on the plurality of pieces of prediction vector information.

    摘要翻译: 产生超声波图像的方法包括将超声信号发送到包括在对象中的预定点,并接收从预定点反射的至少三个响应信号; 通过将所接收的至少三个响应信号组合在一起来提取多个响应信号对; 基于包括在多个响应中的响应信号的接收角度和多普勒频率,获得多条预测矢量信息,每条预测矢量信息指示预定速度幅度和预定点的预测速度方向 信号对; 以及基于所述多个预测矢量信息来确定指示所述预定点的速度幅度和速度方向的矢量信息。

    ELECTRONIC DEVICE FOR LISTENING TO EXTERNAL SOUND AND OPERATING METHOD OF ELECTRONIC DEVICE

    公开(公告)号:US20230412978A1

    公开(公告)日:2023-12-21

    申请号:US18461069

    申请日:2023-09-05

    摘要: The present disclosure relates to an electronic device and an operating method thereof, the electronic device comprising: a speaker; an external microphone configured to obtain an external signal for the electronic device; an internal microphone positioned within a specified distance of the speaker and configured to obtain an internal signal including a signal output from the speaker and/or a signal obtained from the signal output from the speaker and reflected by an external object; a memory storing a first transfer function generated on the basis of the signal output from the speaker and obtained by the internal microphone, and/or a second transfer function generated on the basis of the signal obtained from the signal output from the speaker and reflected by the external object, the signal being obtained by the internal microphone; and a processor operatively connected to the speaker, the external microphone, and the internal microphone, wherein the processor may be configured to: convert a signal obtained by the external microphone into an external frequency signal in the frequency domain; convert a signal obtained by the internal microphone into an internal frequency signal in the frequency domain; calculate a first compensation value on the basis of comparing the external frequency signal with the internal frequency signal; and control an output signal output from the speaker, on the basis of the external signal obtained by the external microphone, the first compensation value, and the first transfer function and/or the second transfer function.

    ELECTRONIC DEVICE FOR MEASURING ILLUMINANCE, AND OPERATING METHOD THEREFOR

    公开(公告)号:US20210215534A1

    公开(公告)日:2021-07-15

    申请号:US16760536

    申请日:2018-09-20

    IPC分类号: G01J1/42 G01J1/04 G01J1/02

    摘要: Various embodiments of the present invention relate to: an electronic device capable of measuring illuminance by using an optical sensor and providing information on the measured illuminance to a user; and an operating method therefor. The electronic device according to various embodiments of the present invention comprises: a light emitting unit; a sensor having a light receiving unit; and a processor, wherein the processor is set so as to: sense a first illuminance outside the electronic device by using the sensor; emit light by using the light emitting unit when the first illuminance belongs to a predetermined range; confirm whether an external object is nearby by using the sensor based on at least the light emitted using the light emitting unit; determine the first illuminance as the illuminance outside the electronic device when the external object is not nearby; and estimate a second illuminance corresponding to the first illuminance by using a selected method based on at least context information related to the electronic device when the external object is nearby.

    ELECTRONIC DEVICE FOR ACQUIRING BIOMETRICS USING PPG SENSOR, AND METHOD THEREFOR

    公开(公告)号:US20210030290A1

    公开(公告)日:2021-02-04

    申请号:US16964087

    申请日:2019-01-09

    摘要: An electronic device is disclosed. According to an embodiment disclosed herein, an electronic device may include a PPG sensor including a light emitter that applies a current in a specified range and emits a light signal corresponding to the current and a light detector that amplifies a received light signal by applying one of a plurality of gain values, a memory that stores a plurality of sets of PPG models corresponding to the plurality of gain values and including a current value and PPG level data corresponding to the current value, and at least one processor electrically connected to the PPG sensor and the memory, wherein the at least one processor may acquire a first PPG signal from the PPG sensor set with a first current value satisfying the specified range and a first gain value of the plurality of gain values when a user's contact is detected by the PPG sensor, generate a first PPG model corresponding to the user based on a first PPG model set corresponding to the first gain value among the plurality of sets of PPG models, the first current value and the first PPG signal, determine a second gain value and a second current value for acquiring a PPG signal with a specified PPG level, based at least on the first PPG model set, and acquire a second PPG signal with the specified PPG level using the PPG sensor set with the second gain value and the second current value. In addition, various embodiments understood from the specification are possible.

    METHOD, APPARATUS, AND SYSTEM FOR PROVIDING MEDICAL IMAGE
    8.
    发明申请
    METHOD, APPARATUS, AND SYSTEM FOR PROVIDING MEDICAL IMAGE 审中-公开
    用于提供医学图像的方法,装置和系统

    公开(公告)号:US20150320324A1

    公开(公告)日:2015-11-12

    申请号:US14696882

    申请日:2015-04-27

    摘要: A method of providing a medical image by using a medical imaging apparatus includes: acquiring blood vessel information indicating information about a blood vessel, the blood vessel being included in a medical image; and displaying the medical image. The blood vessel information includes at least one of a first diameter of the blood vessel, a first angle of the blood vessel, and a presence of at least one of bifurcation and crossover, in a first region of interest (ROI) with respect to a first position in the medical image. The acquiring of the blood vessel information includes acquiring blood vessel information corresponding to a second ROI with respect to a second position, based on the blood vessel information corresponding to the first ROI.

    摘要翻译: 通过使用医学成像装置提供医学图像的方法包括:获取指示关于血管的信息的血管信息,所述血管包括在医学图像中; 并显示医学图像。 血管信息包括第一感兴趣区域(ROI)中的血管的第一直径,血管的第一角度和分叉和交叉中的至少一个的存在中的至少一个 医学图像的第一位。 获取血管信息包括基于与第一ROI相对应的血管信息获取与第二位置相对应的第二ROI的血管信息。