DK3655949T3 - Systemer til akustisk kildeadskillelse - Google Patents

Systemer til akustisk kildeadskillelse Download PDF

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Publication number
DK3655949T3
DK3655949T3 DK17757814.3T DK17757814T DK3655949T3 DK 3655949 T3 DK3655949 T3 DK 3655949T3 DK 17757814 T DK17757814 T DK 17757814T DK 3655949 T3 DK3655949 T3 DK 3655949T3
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DK
Denmark
Prior art keywords
systems
source separation
acoustic source
acoustic
separation
Prior art date
Application number
DK17757814.3T
Other languages
English (en)
Inventor
David Betts
Mohammad A Dmour
Original Assignee
Audiotelligence Ltd
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 Audiotelligence Ltd filed Critical Audiotelligence Ltd
Application granted granted Critical
Publication of DK3655949T3 publication Critical patent/DK3655949T3/da

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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
    • G10L21/0272—Voice signal separating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
    • G06F18/21342—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis using statistical independence, i.e. minimising mutual information or maximising non-gaussianity
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
    • G06F18/21345—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis enforcing sparsity or involving a domain transformation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0025—Particular filtering methods
    • H03H21/0027—Particular filtering methods filtering in the frequency domain
    • 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality 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
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H21/0025—Particular filtering methods
    • H03H2021/0034—Blind source separation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
    • 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
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Otolaryngology (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Biology (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Neurosurgery (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK17757814.3T 2017-07-19 2017-07-19 Systemer til akustisk kildeadskillelse DK3655949T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2017/052124 WO2019016494A1 (en) 2017-07-19 2017-07-19 ACOUSTIC SOURCE SEPARATION SYSTEMS

Publications (1)

Publication Number Publication Date
DK3655949T3 true DK3655949T3 (da) 2022-09-12

Family

ID=59702748

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17757814.3T DK3655949T3 (da) 2017-07-19 2017-07-19 Systemer til akustisk kildeadskillelse

Country Status (5)

Country Link
US (1) US11354536B2 (da)
EP (1) EP3655949B1 (da)
CN (1) CN111133511B (da)
DK (1) DK3655949T3 (da)
WO (1) WO2019016494A1 (da)

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WO2020172831A1 (en) * 2019-02-28 2020-09-03 Beijing Didi Infinity Technology And Development Co., Ltd. Concurrent multi-path processing of audio signals for automatic speech recognition systems
KR20220042165A (ko) 2019-08-01 2022-04-04 돌비 레버러토리즈 라이쎈싱 코오포레이션 공분산 평활화를 위한 시스템 및 방법
CN111009257B (zh) * 2019-12-17 2022-12-27 北京小米智能科技有限公司 一种音频信号处理方法、装置、终端及存储介质
US20230077621A1 (en) * 2020-02-28 2023-03-16 Tokyo Metropolitan Public University Corporation Sound source separation program, sound source separation method, and sound source separation device
CN111179960B (zh) * 2020-03-06 2022-10-18 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
CN111429933B (zh) * 2020-03-06 2022-09-30 北京小米松果电子有限公司 音频信号的处理方法及装置、存储介质
CN111429934B (zh) * 2020-03-13 2023-02-28 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
CN111667846B (zh) * 2020-05-14 2023-06-16 北京声智科技有限公司 一种盲源分离方法及装置
US20230223036A1 (en) * 2020-05-15 2023-07-13 Harman International Industries, Incorporated Efficient blind source separation using topological approach
CN111696573B (zh) * 2020-05-20 2023-04-28 北京地平线机器人技术研发有限公司 声源信号处理方法及装置、电子设备和存储介质
CN112201276B (zh) * 2020-11-11 2022-04-29 东南大学 基于TC-ResNet网络的麦克风阵列语音分离方法
GB2603784B (en) 2021-02-12 2023-08-23 Audiotelligence Ltd Acoustic echo cancellation methods and systems
WO2023001850A1 (en) 2021-07-23 2023-01-26 Audiotelligence Limited Audio signal separation and cropping
CN113825082B (zh) * 2021-09-19 2024-06-11 武汉左点科技有限公司 一种用于缓解助听延迟的方法及装置
CN114390402B (zh) * 2022-01-04 2024-04-26 杭州老板电器股份有限公司 一种吸油烟机的音频注入控制方法、装置及吸油烟机
CN114220453B (zh) * 2022-01-12 2022-08-16 中国科学院声学研究所 基于频域卷积传递函数的多通道非负矩阵分解方法及系统

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Also Published As

Publication number Publication date
WO2019016494A1 (en) 2019-01-24
US20200167602A1 (en) 2020-05-28
EP3655949A1 (en) 2020-05-27
EP3655949B1 (en) 2022-07-06
CN111133511B (zh) 2023-10-27
US11354536B2 (en) 2022-06-07
CN111133511A (zh) 2020-05-08

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