BR112013013673A2 - aparelho e método para aquisição de som espacialmente seletivo por triangulação acústica - Google Patents

aparelho e método para aquisição de som espacialmente seletivo por triangulação acústica

Info

Publication number
BR112013013673A2
BR112013013673A2 BR112013013673A BR112013013673A BR112013013673A2 BR 112013013673 A2 BR112013013673 A2 BR 112013013673A2 BR 112013013673 A BR112013013673 A BR 112013013673A BR 112013013673 A BR112013013673 A BR 112013013673A BR 112013013673 A2 BR112013013673 A2 BR 112013013673A2
Authority
BR
Brazil
Prior art keywords
acquisition
spatially selective
selective sound
acoustic triangulation
triangulation
Prior art date
Application number
BR112013013673A
Other languages
English (en)
Other versions
BR112013013673B1 (pt
Inventor
Galdo Giovanni Del
Bernhard Grill
Jürgen Herre
Markus Kallinger
Fabian Küch
Original Assignee
Fraunhofer Ges Forschung
Univ Friedrich Alexander Er
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung, Univ Friedrich Alexander Er filed Critical Fraunhofer Ges Forschung
Publication of BR112013013673A2 publication Critical patent/BR112013013673A2/pt
Publication of BR112013013673B1 publication Critical patent/BR112013013673B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166—Microphone arrays; Beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H04R2430/25—Array processing for suppression of unwanted side-lobes in directivity characteristics, e.g. a blocking matrix

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
BR112013013673-1A 2010-12-03 2011-12-02 Aparelho e método para aquisição de som espacialmente seletivo por triangulação acústica BR112013013673B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41972010P 2010-12-03 2010-12-03
US61/419,720 2010-12-03
PCT/EP2011/071600 WO2012072787A1 (en) 2010-12-03 2011-12-02 Apparatus and method for spatially selective sound acquisition by acoustic triangulation

Publications (2)

Publication Number Publication Date
BR112013013673A2 true BR112013013673A2 (pt) 2017-09-26
BR112013013673B1 BR112013013673B1 (pt) 2021-03-30

Family

ID=45478269

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013013673-1A BR112013013673B1 (pt) 2010-12-03 2011-12-02 Aparelho e método para aquisição de som espacialmente seletivo por triangulação acústica

Country Status (14)

Country Link
US (1) US9143856B2 (pt)
EP (1) EP2647221B1 (pt)
JP (1) JP2014502108A (pt)
KR (1) KR101555416B1 (pt)
CN (1) CN103339961B (pt)
AR (1) AR084090A1 (pt)
AU (1) AU2011334840B2 (pt)
BR (1) BR112013013673B1 (pt)
CA (1) CA2819393C (pt)
ES (1) ES2779198T3 (pt)
MX (1) MX2013006069A (pt)
RU (1) RU2559520C2 (pt)
TW (1) TWI457011B (pt)
WO (1) WO2012072787A1 (pt)

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WO2016114988A2 (en) * 2015-01-12 2016-07-21 Mh Acoustics, Llc Reverberation suppression using multiple beamformers
CN105940445B (zh) * 2016-02-04 2018-06-12 曾新晓 一种语音通信系统及其方法
RU2630161C1 (ru) * 2016-02-18 2017-09-05 Закрытое акционерное общество "Современные беспроводные технологии" Устройство подавления боковых лепестков при импульсном сжатии многофазных кодов Р3 и Р4 (варианты)
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JP2018170617A (ja) * 2017-03-29 2018-11-01 沖電気工業株式会社 収音装置、プログラム及び方法
JP6763332B2 (ja) * 2017-03-30 2020-09-30 沖電気工業株式会社 収音装置、プログラム及び方法
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CN108109617B (zh) * 2018-01-08 2020-12-15 深圳市声菲特科技技术有限公司 一种远距离拾音方法
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WO2020066542A1 (ja) 2018-09-26 2020-04-02 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音響オブジェクト抽出装置及び音響オブジェクト抽出方法
EP3918813A4 (en) 2019-01-29 2022-10-26 Nureva Inc. METHOD, APPARATUS AND COMPUTER-READABLE MEDIUM FOR CREATING AUDIO FOCUS AREAS DISSOCIATED FROM THE MICROPHONE SYSTEM FOR OPTIMIZING AUDIO EDITING AT PRECISE SPATIAL LOCATIONS IN A 3D SPACE
US10832695B2 (en) * 2019-02-14 2020-11-10 Microsoft Technology Licensing, Llc Mobile audio beamforming using sensor fusion
DE102019205205B3 (de) * 2019-04-11 2020-09-03 BSH Hausgeräte GmbH Interaktionseinrichtung
US11380312B1 (en) * 2019-06-20 2022-07-05 Amazon Technologies, Inc. Residual echo suppression for keyword detection
US10820129B1 (en) * 2019-08-15 2020-10-27 Harman International Industries, Incorporated System and method for performing automatic sweet spot calibration for beamforming loudspeakers
US10735887B1 (en) * 2019-09-19 2020-08-04 Wave Sciences, LLC Spatial audio array processing system and method
US20200120416A1 (en) * 2019-12-16 2020-04-16 Intel Corporation Methods and apparatus to detect an audio source
US11676598B2 (en) 2020-05-08 2023-06-13 Nuance Communications, Inc. System and method for data augmentation for multi-microphone signal processing
JP7380783B1 (ja) 2022-08-29 2023-11-15 沖電気工業株式会社 収音装置、収音プログラム、収音方法、判定装置、判定プログラム及び判定方法

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Also Published As

Publication number Publication date
AR084090A1 (es) 2013-04-17
US20130258813A1 (en) 2013-10-03
RU2559520C2 (ru) 2015-08-10
KR20130116299A (ko) 2013-10-23
TWI457011B (zh) 2014-10-11
WO2012072787A1 (en) 2012-06-07
MX2013006069A (es) 2013-10-30
CN103339961B (zh) 2017-03-29
EP2647221B1 (en) 2020-01-08
CN103339961A (zh) 2013-10-02
JP2014502108A (ja) 2014-01-23
AU2011334840A1 (en) 2013-07-04
ES2779198T3 (es) 2020-08-14
TW201234872A (en) 2012-08-16
AU2011334840B2 (en) 2015-09-03
BR112013013673B1 (pt) 2021-03-30
CA2819393A1 (en) 2012-06-07
US9143856B2 (en) 2015-09-22
RU2013130227A (ru) 2015-01-10
EP2647221A1 (en) 2013-10-09
CA2819393C (en) 2017-04-18
KR101555416B1 (ko) 2015-09-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25A Requested transfer of rights approved

Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (DE)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/12/2011, OBSERVADAS AS CONDICOES LEGAIS.