GB2437868B - Noise estimation method - Google Patents

Noise estimation method

Info

Publication number
GB2437868B
GB2437868B GB0714719A GB0714719A GB2437868B GB 2437868 B GB2437868 B GB 2437868B GB 0714719 A GB0714719 A GB 0714719A GB 0714719 A GB0714719 A GB 0714719A GB 2437868 B GB2437868 B GB 2437868B
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
GB0714719A
Other versions
GB0714719D0 (en
GB2437868A (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 GB0714719A priority Critical patent/GB2437868B/en
Priority claimed from GB0509417A external-priority patent/GB2426167B/en
Publication of GB0714719D0 publication Critical patent/GB0714719D0/en
Publication of GB2437868A publication Critical patent/GB2437868A/en
Application granted granted Critical
Publication of GB2437868B publication Critical patent/GB2437868B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • 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
GB0714719A 2005-05-09 2005-05-09 Noise estimation method Expired - Fee Related GB2437868B (en)

Priority Applications (1)

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

Applications Claiming Priority (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

Publications (3)

Publication Number Publication Date
GB0714719D0 GB0714719D0 (en) 2007-09-05
GB2437868A GB2437868A (en) 2007-11-07
GB2437868B true GB2437868B (en) 2009-12-02

Family

ID=38513024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0714719A Expired - Fee Related GB2437868B (en) 2005-05-09 2005-05-09 Noise estimation method

Country Status (1)

Country Link
GB (1) GB2437868B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals

Also Published As

Publication number Publication date
GB0714719D0 (en) 2007-09-05
GB2437868A (en) 2007-11-07

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Legal Events

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

Effective date: 20230509