GB2548325B - Acoustic source seperation systems - Google Patents

Acoustic source seperation systems Download PDF

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Publication number
GB2548325B
GB2548325B GB1602382.2A GB201602382A GB2548325B GB 2548325 B GB2548325 B GB 2548325B GB 201602382 A GB201602382 A GB 201602382A GB 2548325 B GB2548325 B GB 2548325B
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GB
United Kingdom
Prior art keywords
acoustic source
seperation
systems
seperation systems
acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1602382.2A
Other versions
GB2548325A (en
GB201602382D0 (en
Inventor
Betts David
A Dmour Mohammad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audiotelligence Ltd
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
Priority to GB1602382.2A priority Critical patent/GB2548325B/en
Publication of GB201602382D0 publication Critical patent/GB201602382D0/en
Publication of GB2548325A publication Critical patent/GB2548325A/en
Application granted granted Critical
Publication of GB2548325B publication Critical patent/GB2548325B/en
Active legal-status Critical Current
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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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB1602382.2A 2016-02-10 2016-02-10 Acoustic source seperation systems Active GB2548325B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1602382.2A GB2548325B (en) 2016-02-10 2016-02-10 Acoustic source seperation systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1602382.2A GB2548325B (en) 2016-02-10 2016-02-10 Acoustic source seperation systems

Publications (3)

Publication Number Publication Date
GB201602382D0 GB201602382D0 (en) 2016-03-23
GB2548325A GB2548325A (en) 2017-09-20
GB2548325B true GB2548325B (en) 2021-12-01

Family

ID=55642093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1602382.2A Active GB2548325B (en) 2016-02-10 2016-02-10 Acoustic source seperation systems

Country Status (1)

Country Link
GB (1) GB2548325B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11972767B2 (en) 2019-08-01 2024-04-30 Dolby Laboratories Licensing Corporation Systems and methods for covariance smoothing

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111133511B (en) * 2017-07-19 2023-10-27 音智有限公司 sound source separation system
CN108899041B (en) * 2018-08-20 2019-12-27 百度在线网络技术（北京）有限公司 Voice signal noise adding method, device and storage medium
CN110890098B (en) * 2018-09-07 2022-05-10 南京地平线机器人技术有限公司 Blind signal separation method and device and electronic equipment
CN111009257B (en) * 2019-12-17 2022-12-27 北京小米智能科技有限公司 Audio signal processing method, device, terminal and storage medium
US11823698B2 (en) 2020-01-17 2023-11-21 Audiotelligence Limited Audio cropping
CN112863537B (en) * 2021-01-04 2024-06-04 北京小米松果电子有限公司 Audio signal processing method, device and storage medium
TWI809390B (en) * 2021-03-01 2023-07-21 新加坡商台達電子國際（新加坡）私人有限公司 Method and audio processing system for blind source separation without sampling rate mismatch estimation
CN113438595B (en) * 2021-06-24 2022-03-18 深圳市叡扬声学设计研发有限公司 Audio processing system
WO2023001850A1 (en) * 2021-07-23 2023-01-26 Audiotelligence Limited Audio signal separation and cropping
CN113628634B (en) * 2021-08-20 2023-10-03 随锐科技集团股份有限公司 Real-time voice separation method and device guided by directional information
CN113870888B (en) * 2021-09-24 2024-09-13 武汉大学 Feature extraction method and device based on voice signal time domain and frequency domain, and echo cancellation method and device
CN114220453B (en) * 2022-01-12 2022-08-16 中国科学院声学研究所 Multi-channel non-negative matrix decomposition method and system based on frequency domain convolution transfer function

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001017109A1 (en) * 1999-09-01 2001-03-08 Sarnoff Corporation Method and system for on-line blind source separation
US20160029120A1 (en) * 2014-07-24 2016-01-28 Conexant Systems, Inc. Robust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing
US9668066B1 (en) * 2015-04-03 2017-05-30 Cedar Audio Ltd. Blind source separation systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001017109A1 (en) * 1999-09-01 2001-03-08 Sarnoff Corporation Method and system for on-line blind source separation
US20160029120A1 (en) * 2014-07-24 2016-01-28 Conexant Systems, Inc. Robust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing
US9668066B1 (en) * 2015-04-03 2017-05-30 Cedar Audio Ltd. Blind source separation systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11972767B2 (en) 2019-08-01 2024-04-30 Dolby Laboratories Licensing Corporation Systems and methods for covariance smoothing

Also Published As

Publication number Publication date
GB2548325A (en) 2017-09-20
GB201602382D0 (en) 2016-03-23

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190704 AND 20190710