BR112016013366B1 - Extração de som reverberante utilizando redes de microfones - Google Patents

Extração de som reverberante utilizando redes de microfones Download PDF

Info

Publication number
BR112016013366B1
BR112016013366B1 BR112016013366-8A BR112016013366A BR112016013366B1 BR 112016013366 B1 BR112016013366 B1 BR 112016013366B1 BR 112016013366 A BR112016013366 A BR 112016013366A BR 112016013366 B1 BR112016013366 B1 BR 112016013366B1
Authority
BR
Brazil
Prior art keywords
microphone
sound
filter
diffuse sound
diffuse
Prior art date
Application number
BR112016013366-8A
Other languages
English (en)
Portuguese (pt)
Other versions
BR112016013366A2 (pt
Inventor
Oliver Thiergart
Emanuel Habets
Original Assignee
Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
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-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. filed Critical Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
Publication of BR112016013366A2 publication Critical patent/BR112016013366A2/pt
Publication of BR112016013366B1 publication Critical patent/BR112016013366B1/pt

Links

Images

Classifications

    • 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • 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
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • 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
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
    • G11B2020/10601—Audio or video recording specifically adapted for recording or reproducing multichannel signals surround sound signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BR112016013366-8A 2013-12-11 2014-12-02 Extração de som reverberante utilizando redes de microfones BR112016013366B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13196672 2013-12-11
EP13196672.3 2013-12-11
EP14156014.4A EP2884491A1 (en) 2013-12-11 2014-02-20 Extraction of reverberant sound using microphone arrays
EP14156014.4 2014-02-20
PCT/EP2014/076252 WO2015086377A1 (en) 2013-12-11 2014-12-02 Extraction of reverberant sound using microphone arrays

Publications (2)

Publication Number Publication Date
BR112016013366A2 BR112016013366A2 (pt) 2017-08-08
BR112016013366B1 true BR112016013366B1 (pt) 2021-12-28

Family

ID=50230835

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016013366-8A BR112016013366B1 (pt) 2013-12-11 2014-12-02 Extração de som reverberante utilizando redes de microfones

Country Status (7)

Country Link
US (1) US9984702B2 (enExample)
EP (2) EP2884491A1 (enExample)
JP (1) JP6389259B2 (enExample)
CN (1) CN105981404B (enExample)
BR (1) BR112016013366B1 (enExample)
RU (1) RU2640742C1 (enExample)
WO (1) WO2015086377A1 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2521649B (en) * 2013-12-27 2018-12-12 Nokia Technologies Oy Method, apparatus, computer program code and storage medium for processing audio signals
EP3113508B1 (en) * 2014-02-28 2020-11-11 Nippon Telegraph and Telephone Corporation Signal-processing device, method, and program
US10923132B2 (en) 2016-02-19 2021-02-16 Dolby Laboratories Licensing Corporation Diffusivity based sound processing method and apparatus
CN112218211B (zh) 2016-03-15 2022-06-07 弗劳恩霍夫应用研究促进协会 用于生成声场描述的装置、方法或计算机程序
CN105869651B (zh) * 2016-03-23 2019-05-31 北京大学深圳研究生院 基于噪声混合相干性的双通道波束形成语音增强方法
US11218807B2 (en) 2016-09-13 2022-01-04 VisiSonics Corporation Audio signal processor and generator
US10187740B2 (en) * 2016-09-23 2019-01-22 Apple Inc. Producing headphone driver signals in a digital audio signal processing binaural rendering environment
US11528556B2 (en) 2016-10-14 2022-12-13 Nokia Technologies Oy Method and apparatus for output signal equalization between microphones
US9813833B1 (en) * 2016-10-14 2017-11-07 Nokia Technologies Oy Method and apparatus for output signal equalization between microphones
US10056091B2 (en) * 2017-01-06 2018-08-21 Bose Corporation Microphone array beamforming
US10219098B2 (en) * 2017-03-03 2019-02-26 GM Global Technology Operations LLC Location estimation of active speaker
CN106960672B (zh) * 2017-03-30 2020-08-21 国家计算机网络与信息安全管理中心 一种立体声音频的带宽扩展方法与装置
GB2562518A (en) 2017-05-18 2018-11-21 Nokia Technologies Oy Spatial audio processing
MY204183A (en) * 2017-07-14 2024-08-14 Fraunhofer Ges Zur Frderung Der Angewandten Forschung E V Concept for generating an enhanced sound field description or a modified sound field description using a multi-point sound field description
EP3573058B1 (en) * 2018-05-23 2021-02-24 Harman Becker Automotive Systems GmbH Dry sound and ambient sound separation
JP7173355B2 (ja) * 2019-08-08 2022-11-16 日本電信電話株式会社 Ｐｓｄ最適化装置、ｐｓｄ最適化方法、プログラム
WO2021024475A1 (ja) * 2019-08-08 2021-02-11 日本電信電話株式会社 Ｐｓｄ最適化装置、ｐｓｄ最適化方法、プログラム
US12367887B2 (en) 2020-06-11 2025-07-22 Dolby Laboratories Licensing Corporation Separation of panned sources from generalized stereo backgrounds using minimal training
CN113963712B (zh) * 2020-07-21 2025-07-25 华为技术有限公司 滤除回声的方法、电子设备和计算机可读存储介质
CN112017684B (zh) * 2020-08-27 2022-06-24 北京计算机技术及应用研究所 一种基于麦克风阵列的密闭空间混响消除方法
CN113257270B (zh) * 2021-05-10 2022-07-15 中国科学技术大学 一种基于参考麦克风优化的多通道语音增强方法
CN115862665B (zh) * 2023-02-27 2023-06-16 广州市迪声音响有限公司 一种回声混响效果参数的可视化曲线界面系统

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100493172B1 (ko) * 2003-03-06 2005-06-02 삼성전자주식회사 마이크로폰 어레이 구조, 이를 이용한 일정한 지향성을갖는 빔 형성방법 및 장치와 음원방향 추정방법 및 장치
GB0321722D0 (en) * 2003-09-16 2003-10-15 Mitel Networks Corp A method for optimal microphone array design under uniform acoustic coupling constraints
GB0405455D0 (en) * 2004-03-11 2004-04-21 Mitel Networks Corp High precision beamsteerer based on fixed beamforming approach beampatterns
US8094827B2 (en) * 2004-07-20 2012-01-10 Pioneer Corporation Sound reproducing apparatus and sound reproducing system
US8036767B2 (en) * 2006-09-20 2011-10-11 Harman International Industries, Incorporated System for extracting and changing the reverberant content of an audio input signal
US9015051B2 (en) * 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
RU2343562C1 (ru) * 2007-04-23 2009-01-10 Федеральное государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет кино и телевидения" "СПбГУКиТ" Способ и электронное устройство оптимизации времени реверберации при передаче звуковых сигналов
US8199942B2 (en) * 2008-04-07 2012-06-12 Sony Computer Entertainment Inc. Targeted sound detection and generation for audio headset
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
KR101410575B1 (ko) * 2010-02-24 2014-06-23 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 강화 다운믹스 신호를 생성하는 장치, 강화 다운믹스 신호를 생성하는 방법 및 컴퓨터 프로그램
ES2656815T3 (es) * 2010-03-29 2018-02-28 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung Procesador de audio espacial y procedimiento para proporcionar parámetros espaciales en base a una señal de entrada acústica
WO2011129725A1 (en) * 2010-04-12 2011-10-20 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for noise cancellation in a speech encoder
US9100734B2 (en) * 2010-10-22 2015-08-04 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for far-field multi-source tracking and separation
US9552840B2 (en) * 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
EP2444967A1 (en) * 2010-10-25 2012-04-25 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Echo suppression comprising modeling of late reverberation components
CN103650540B (zh) * 2011-05-11 2016-03-09 索尼克埃莫申股份公司 紧凑扬声器阵列的高效声场控制的方法
JP5817366B2 (ja) 2011-09-12 2015-11-18 沖電気工業株式会社 音声信号処理装置、方法及びプログラム
JP5897343B2 (ja) 2012-02-17 2016-03-30 株式会社日立製作所 残響除去パラメータ推定装置及び方法、残響・エコー除去パラメータ推定装置、残響除去装置、残響・エコー除去装置、並びに、残響除去装置オンライン会議システム
JP5738218B2 (ja) * 2012-02-28 2015-06-17 日本電信電話株式会社 音響信号強調装置、遠近判定装置、それらの方法、及びプログラム
US9495591B2 (en) * 2012-04-13 2016-11-15 Qualcomm Incorporated Object recognition using multi-modal matching scheme

Also Published As

Publication number Publication date
BR112016013366A2 (pt) 2017-08-08
US20160293179A1 (en) 2016-10-06
EP2884491A1 (en) 2015-06-17
EP3080806A1 (en) 2016-10-19
US9984702B2 (en) 2018-05-29
JP2017503388A (ja) 2017-01-26
RU2640742C1 (ru) 2018-01-11
WO2015086377A1 (en) 2015-06-18
CN105981404A (zh) 2016-09-28
CN105981404B (zh) 2019-06-04
EP3080806B1 (en) 2021-07-28
JP6389259B2 (ja) 2018-09-12

Similar Documents

Publication Publication Date Title
BR112016013366B1 (pt) Extração de som reverberante utilizando redes de microfones
CN104094613B (zh) 用于依据空间功率密度定位麦克风的装置和方法
ES2525839T3 (es) Adquisición de sonido mediante la extracción de información geométrica de estimativos de dirección de llegada
BR112013013673B1 (pt) Aparelho e método para aquisição de som espacialmente seletivo por triangulação acústica
BR112015014380B1 (pt) Filtro e método para filtragem espacial informada utilizando múltiplas estimativas da direção de chegada instantânea
JP2017503388A5 (enExample)
Tashev et al. Cost function for sound source localization with arbitrary microphone arrays
HK1190490B (en) Sound acquisition via the extraction of geometrical information from direction of arrival estimates
BR112013013678B1 (pt) Aparelho e método para codificação de áudio espacial com base em geometria

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
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 02/12/2014, OBSERVADAS AS CONDICOES LEGAIS.