GB2426167B - Noise estimation method - Google Patents

Noise estimation method

Info

Publication number
GB2426167B
GB2426167B GB0509417A GB0509417A GB2426167B GB 2426167 B GB2426167 B GB 2426167B GB 0509417 A GB0509417 A GB 0509417A GB 0509417 A GB0509417 A GB 0509417A GB 2426167 B GB2426167 B GB 2426167B
Authority
GB
United Kingdom
Prior art keywords
estimation method
noise estimation
noise
estimation
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.)
Expired - Fee Related
Application number
GB0509417A
Other versions
GB0509417D0 (en
GB2426167A (en
Inventor
Firas Jabloun
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0509417A priority Critical patent/GB2426167B/en
Priority to GB0714719A priority patent/GB2437868B/en
Publication of GB0509417D0 publication Critical patent/GB0509417D0/en
Publication of GB2426167A publication Critical patent/GB2426167A/en
Application granted granted Critical
Publication of GB2426167B publication Critical patent/GB2426167B/en
Expired - Fee Related 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
    • G10L21/0208—Noise filtering
    • 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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
GB0509417A 2005-05-09 2005-05-09 Noise estimation method Expired - Fee Related GB2426167B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0509417A GB2426167B (en) 2005-05-09 2005-05-09 Noise estimation method
GB0714719A GB2437868B (en) 2005-05-09 2005-05-09 Noise estimation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0509417A GB2426167B (en) 2005-05-09 2005-05-09 Noise estimation method

Publications (3)

Publication Number Publication Date
GB0509417D0 GB0509417D0 (en) 2005-06-15
GB2426167A GB2426167A (en) 2006-11-15
GB2426167B true GB2426167B (en) 2007-10-03

Family

ID=34685295

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0509417A Expired - Fee Related GB2426167B (en) 2005-05-09 2005-05-09 Noise estimation method

Country Status (1)

Country Link
GB (1) GB2426167B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10032462B2 (en) 2015-02-26 2018-07-24 Indian Institute Of Technology Bombay Method and system for suppressing noise in speech signals in hearing aids and speech communication devices

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE454696T1 (en) * 2007-08-31 2010-01-15 Harman Becker Automotive Sys RAPID ESTIMATION OF NOISE POWER SPECTRAL DENSITY FOR SPEECH SIGNAL IMPROVEMENT
EP2045801B1 (en) 2007-10-01 2010-08-11 Harman Becker Automotive Systems GmbH Efficient audio signal processing in the sub-band regime, method, system and associated computer program
WO2015038975A1 (en) * 2013-09-12 2015-03-19 Saudi Arabian Oil Company Dynamic threshold methods, systems, computer readable media, and program code for filtering noise and restoring attenuated high-frequency components of acoustic signals
WO2020107269A1 (en) * 2018-11-28 2020-06-04 深圳市汇顶科技股份有限公司 Self-adaptive speech enhancement method, and electronic device
CN116324985A (en) * 2020-09-23 2023-06-23 杜比实验室特许公司 Adaptive noise estimation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362549A (en) * 2000-05-16 2001-11-21 Samsung Electronics Co Ltd Quantizing phase of speech signal using perceptual weighting function
EP1396845A1 (en) * 2002-09-06 2004-03-10 Microsoft Corporation Method of iterative noise estimation in a recursive framework

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2362549A (en) * 2000-05-16 2001-11-21 Samsung Electronics Co Ltd Quantizing phase of speech signal using perceptual weighting function
EP1396845A1 (en) * 2002-09-06 2004-03-10 Microsoft Corporation Method of iterative noise estimation in a recursive framework

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10032462B2 (en) 2015-02-26 2018-07-24 Indian Institute Of Technology Bombay Method and system for suppressing noise in speech signals in hearing aids and speech communication devices

Also Published As

Publication number Publication date
GB0509417D0 (en) 2005-06-15
GB2426167A (en) 2006-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230509