GB201602382D0 - Acoustic source seperation systems - Google Patents

Acoustic source seperation systems

Info

Publication number
GB201602382D0
GB201602382D0 GBGB1602382.2A GB201602382A GB201602382D0 GB 201602382 D0 GB201602382 D0 GB 201602382D0 GB 201602382 A GB201602382 A GB 201602382A GB 201602382 D0 GB201602382 D0 GB 201602382D0
Authority
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.)
Granted
Application number
GBGB1602382.2A
Other versions
GB2548325A (en
GB2548325B (en
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.)
Cedar Audio Ltd
Original Assignee
Cedar Audio 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 Cedar Audio Ltd filed Critical Cedar Audio 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
Anticipated expiration legal-status Critical

Links

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)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (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 true GB201602382D0 (en) 2016-03-23
GB2548325A GB2548325A (en) 2017-09-20
GB2548325B 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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111009257A (en) * 2019-12-17 2020-04-14 北京小米智能科技有限公司 Audio signal processing method and device, terminal and storage medium
CN112863537A (en) * 2021-01-04 2021-05-28 北京小米松果电子有限公司 Audio signal processing method and device and storage medium
CN113438595A (en) * 2021-06-24 2021-09-24 深圳市叡扬声学设计研发有限公司 KAS audio processing system
CN113628634A (en) * 2021-08-20 2021-11-09 随锐科技集团股份有限公司 Real-time voice separation method and device guided by pointing information
CN114220453A (en) * 2022-01-12 2022-03-22 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
WO2023044962A1 (en) * 2021-09-24 2023-03-30 武汉大学 Feature extraction method and apparatus based on time domain and frequency domain of speech signal, and echo cancellation method and apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3655949B1 (en) 2017-07-19 2022-07-06 Audiotelligence Limited Acoustic source separation systems
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
US11972767B2 (en) 2019-08-01 2024-04-30 Dolby Laboratories Licensing Corporation Systems and methods for covariance smoothing
US11823698B2 (en) 2020-01-17 2023-11-21 Audiotelligence Limited Audio cropping
WO2023001850A1 (en) * 2021-07-23 2023-01-26 Audiotelligence Limited Audio signal separation and cropping

Family Cites Families (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
US9762742B2 (en) * 2014-07-24 2017-09-12 Conexant Systems, Llc 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111009257A (en) * 2019-12-17 2020-04-14 北京小米智能科技有限公司 Audio signal processing method and device, terminal and storage medium
CN112863537A (en) * 2021-01-04 2021-05-28 北京小米松果电子有限公司 Audio signal processing method and device and storage medium
CN113438595A (en) * 2021-06-24 2021-09-24 深圳市叡扬声学设计研发有限公司 KAS audio processing system
CN113628634A (en) * 2021-08-20 2021-11-09 随锐科技集团股份有限公司 Real-time voice separation method and device guided by pointing information
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
WO2023044962A1 (en) * 2021-09-24 2023-03-30 武汉大学 Feature extraction method and apparatus based on time domain and frequency domain of speech signal, and echo cancellation method and apparatus
CN114220453A (en) * 2022-01-12 2022-03-22 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

Also Published As

Publication number Publication date
GB2548325A (en) 2017-09-20
GB2548325B (en) 2021-12-01

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