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    MICROPHONE ASSEMBLY AND METHOD FOR PROVIDING HEARING ASSISTANCE
    1.
    发明公开
    MICROPHONE ASSEMBLY AND METHOD FOR PROVIDING HEARING ASSISTANCE 审中-公开

    公开(公告)号：EP4475560A1

    公开(公告)日：2024-12-11

    申请号：EP23178330.9

    申请日：2023-06-09

    Applicant: Sonova AG

    Inventor： Sans, Miquel ,  Gigandet, Xavier

    IPC: H04R1/40 ,  H04R3/00 ,  H04R25/00 ,  G01S3/80 ,  G01S3/802 ,  G01S5/18

    Abstract: There is provided a microphone assembly comprising at least three spaced apart microphones (M1, M2, M3) defining a microphone plane (48), each configured to capture an input audio signal (50-1, 50-2, 50-3) from an audio source (S); an audio signal processing unit (18, 52, 54) for processing the input audio signals in a manner so as to generate an output audio signal (26) with a directivity; and an audio source direction estimation unit (62-1, 62-2, 62-3, 64, 66) including a first direction of arrival estimation module (62-1) for estimating a first angle of incidence between the audio source and a first axis (42) defined by a first pair of the microphones (M1, M2) with regard to a base point (O 0 ) centered between the microphones of the first pair of microphones; a second direction of arrival estimation module (62-2) for estimating a second angle of incidence between the audio source and a second axis (44) defined by a second pair of the microphones (M2, M3) with regard to a base point (O 1 ) centered between the microphones of the second pair of microphones, the second pair of microphones being different from the first pair of microphones and the first axis and the second axis having different directions; and an elevation estimation module (64) for estimating an angle of elevation of the audio source with regard to the microphone plane based on the estimated first angle of incidence and the estimated second angle of incidence. The microphone assembly further comprises a control unit (68) for using the estimated angle of elevation to control a directivity parameter of the audio signal processing unit on which the directivity of the output audio signal depends.

    ULTRASOUND WAVE SOURCE AZIMUTH ORIENTING DEVICE, AND METHOD OF ANALYZING SUPERIMPOSED IMAGE
    4.
    发明公开
    ULTRASOUND WAVE SOURCE AZIMUTH ORIENTING DEVICE, AND METHOD OF ANALYZING SUPERIMPOSED IMAGE 审中-公开

    公开(公告)号：EP3517991A1

    公开(公告)日：2019-07-31

    申请号：EP17852987.1

    申请日：2017-09-15

    Applicant: JFE Steel Corporation ,  JFE Advantech Co. Ltd.

    Inventor： HAYASHI Koji ,  SUENAGA Kiyoka ,  MAEKAWA Shonosuke ,  ODA Masahiro ,  OGUNI Michihiro ,  KUSHIDA Yasuo

    IPC: G01S3/802 ,  G01H3/00 ,  G01S7/56

    Abstract: An object is to provide an ultrasound source azimuth determining apparatus that is compact and capable of measuring the azimuth of an ultrasound source over a wide search range at one time while reducing the effect of grating lobes.
    An ultrasound source azimuth determining apparatus includes a camera configured to pick up an image of a measured object; an array sensor configured to measure a sound pressure of ultrasound originating from a direction of the measured object; computing means for generating a sound pressure map on the basis of sound pressure information of ultrasound acquired by the array sensor, and superimposing the sound pressure map and a picked-up image acquired by the camera to generate a composite image; and display means for displaying the composite image. The array sensor includes a total of greater than or equal to 9 and less than or equal to 25 surface mount sensors, and at least some of the surface mount sensors are arranged on an X-axis and a Y-axis in the same plane.

    ACQUISITION DE DONNÉES SONORES SPATIALISÉES
    5.
    发明公开
    ACQUISITION DE DONNÉES SONORES SPATIALISÉES 审中-公开
    采集空间数据

    公开(公告)号：EP2920979A1

    公开(公告)日：2015-09-23

    申请号：EP13801670.4

    申请日：2013-11-15

    Applicant: Orange

    Inventor： PALACINO, Julian ,  NICOL, Rozenn

    IPC: H04R3/00 ,  G01S3/802

    CPC classification number: H04R5/027 ,  G01S3/8036 ,  H04R3/00 ,  H04R3/005 ,  H04R2430/20 ,  H04R2430/21 ,  H04S7/301 ,  H04S2400/15 ,  H04S2420/11

    Abstract: The invention relates to a data-processing method for determining at least one spatial coordinate of a sound source emitting a sound signal, in a three-dimensional space, said method including the following steps: obtaining (10) at least one first signal and one second signal from the sound signal, collected according to separate directivities by a first sensor and a second sensor; deducing (11) from the first and second signals an expression of at least one first spatial coordinate of the sound source, the expression comprising an uncertainty regarding said spatial coordinate; determining (12) additional information relating to the first spatial coordinate of the sound source, from a comparison between the respective features of the signals collected by the first and second sensors; and determining (13) the first spatial coordinate of the sound source on the basis of the expression and the additional information.

    VERFAHREN ZUM PASSIVEN BESTIMMEN VON ZIELDATEN
    7.
    发明公开
    VERFAHREN ZUM PASSIVEN BESTIMMEN VON ZIELDATEN 有权
    用于确定被动目标数据

    公开(公告)号：EP2140283A1

    公开(公告)日：2010-01-06

    申请号：EP08716173.3

    申请日：2008-03-03

    Applicant: ATLAS Elektronik GmbH

    Inventor： STEIMEL, Ulrich ,  STEINER, Hans-Joachim

    IPC: G01S3/802 ,  G01S5/20

    CPC classification number: G01S3/8022 ,  G01S3/8027 ,  G01S5/20 ,  G01S11/14

    Abstract: The invention relates to a method for the passive determination of target data by means of a directionally-selective reception of sound waves, wherein a first converter arrangement uses estimated bearing angles, which are determined from estimated positions of a target, and measured bearing angles, to minimize bearing angle differences between measured and estimated bearing angles. In order to enable a suitable determination of the target data, with respect to time considerations for tactical requirements, without requiring an individual maneuver and frequency evaluation of the received sound waves, claimed bearing angle measurements of a second converter arrangement, located at a distance from the first converter arrangement, are utilized for the estimation of the target data when a parallax value determined between the bearing angle measurement of both converter arrangements is greater than a prespecifiable parallax threshold value, and the distance estimated during the target data estimation is smaller than a comparison distance determined from the parallax threshold value.

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