GB2350989B - Background-noise reduction - Google Patents

Background-noise reduction

Info

Publication number
GB2350989B
GB2350989B GB0005906A GB0005906A GB2350989B GB 2350989 B GB2350989 B GB 2350989B GB 0005906 A GB0005906 A GB 0005906A GB 0005906 A GB0005906 A GB 0005906A GB 2350989 B GB2350989 B GB 2350989B
Authority
GB
United Kingdom
Prior art keywords
background
noise reduction
noise
reduction
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
GB0005906A
Other versions
GB2350989A (en
GB0005906D0 (en
Inventor
David Mark Townsend
Robert Simon Sherratt
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.)
FULCRUM SYSTEMS Ltd
Original Assignee
FULCRUM SYSTEMS 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10849567&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2350989(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by FULCRUM SYSTEMS Ltd filed Critical FULCRUM SYSTEMS Ltd
Publication of GB0005906D0 publication Critical patent/GB0005906D0/en
Publication of GB2350989A publication Critical patent/GB2350989A/en
Application granted granted Critical
Publication of GB2350989B publication Critical patent/GB2350989B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
GB0005906A 1999-03-12 2000-03-13 Background-noise reduction Expired - Fee Related GB2350989B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9905788A GB9905788D0 (en) 1999-03-12 1999-03-12 Background-noise reduction

Publications (3)

Publication Number Publication Date
GB0005906D0 GB0005906D0 (en) 2000-05-03
GB2350989A GB2350989A (en) 2000-12-13
GB2350989B true GB2350989B (en) 2001-04-25

Family

ID=10849567

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9905788A Ceased GB9905788D0 (en) 1999-03-12 1999-03-12 Background-noise reduction
GB0005906A Expired - Fee Related GB2350989B (en) 1999-03-12 2000-03-13 Background-noise reduction

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9905788A Ceased GB9905788D0 (en) 1999-03-12 1999-03-12 Background-noise reduction

Country Status (4)

Country Link
EP (1) EP1169696A1 (en)
AU (1) AU3176000A (en)
GB (2) GB9905788D0 (en)
WO (1) WO2000055846A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6320968B1 (en) 2000-06-28 2001-11-20 Esion-Tech, Llc Adaptive noise rejection system and method
KR100394840B1 (en) * 2000-11-30 2003-08-19 한국과학기술원 Method for active noise cancellation using independent component analysis
GB0321565D0 (en) * 2003-09-15 2003-10-15 Fulcrunm Systems Ltd Limiter and detector apparatus and methods
ATE420526T1 (en) * 2003-11-12 2009-01-15 Harman Becker Automotive Sys METHOD AND DEVICE FOR REDUCING NOISE IN A SOUND SIGNAL
CN101089952B (en) * 2006-06-15 2010-10-06 株式会社东芝 Method and device for controlling noise, smoothing speech manual, extracting speech characteristic, phonetic recognition and training phonetic mould
CN101154383B (en) * 2006-09-29 2010-10-06 株式会社东芝 Method and device for noise suppression, phonetic feature extraction, speech recognition and training voice model
JP6477295B2 (en) * 2015-06-29 2019-03-06 株式会社Ｊｖｃケンウッド Noise detection apparatus, noise detection method, and noise detection program

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212035A (en) * 1987-11-01 1989-07-12 Ricoh Kk Noise suppression apparatus
WO1995020812A1 (en) * 1994-01-27 1995-08-03 Noise Cancellation Technologies, Inc. Tracking filter for periodic signals
EP0788089A2 (en) * 1996-02-02 1997-08-06 International Business Machines Corporation Method and apparatus for suppressing background music or noise from the speech input of a speech recognizer
WO1997034290A1 (en) * 1996-03-13 1997-09-18 Ericsson Inc. Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal
GB2341299A (en) * 1998-09-04 2000-03-08 Motorola Ltd Suppressing noise in a speech communications unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0517525A3 (en) * 1991-06-06 1993-12-08 Matsushita Electric Ind Co Ltd Noise suppressor
JPH09198054A (en) * 1996-01-18 1997-07-31 Canon Inc Noise cancel device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212035A (en) * 1987-11-01 1989-07-12 Ricoh Kk Noise suppression apparatus
WO1995020812A1 (en) * 1994-01-27 1995-08-03 Noise Cancellation Technologies, Inc. Tracking filter for periodic signals
EP0788089A2 (en) * 1996-02-02 1997-08-06 International Business Machines Corporation Method and apparatus for suppressing background music or noise from the speech input of a speech recognizer
WO1997034290A1 (en) * 1996-03-13 1997-09-18 Ericsson Inc. Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal
GB2341299A (en) * 1998-09-04 2000-03-08 Motorola Ltd Suppressing noise in a speech communications unit

Also Published As

Publication number Publication date
GB2350989A (en) 2000-12-13
GB9905788D0 (en) 1999-05-05
WO2000055846A1 (en) 2000-09-21
AU3176000A (en) 2000-10-04
GB0005906D0 (en) 2000-05-03
EP1169696A1 (en) 2002-01-09

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Legal Events

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

Effective date: 20130313

S13A Application for inventor to be mentioned (section 13(1)/patents act 1977)

Free format text: APPLICATION REFUSED; IN A DECISION OF THE COMPTROLLER DATED 28 MARCH 2014, THE COMPTROLLER DISMISSED THE APPLICATION UNDER SECTION 13 AS THE CLAIMANTS WERE UNABLE TO PROVE THAT THEY CONTRIBUTED TO THE INVENTIVE CONCEPT UNDERLYING THE CLAIMED INVENTION OR THAT THE NAMED INVENTORS SHOULD NOT BE SO NAMED

S37A Reference after grant concerning uk entitlement (sect. 37(1)/patents act 1977)

Free format text: REFERENCE REFUSED; IN A DECISION OF THE COMPTROLLER DATED 17 SEPTEMBER 2013, THE COMPTROLLER FOUND THE CLAIMANTS WERE UNABLE TO PROVE THAT THE PATENTEE KNEW, OR REASONABLY SHOULD HAVE KNOWN AT THE TIME OF GRANT THAT IT WAS NOT ENTITLED TO THE GRANT OF THE PATENT. SINCE THE REFERENCE UNDER SECTION 37 WAS MADE AFTER THE PERIOD SPECIFIED BY SECTION 37(5) FOR DOING SO, NO ORDER CAN BE MADE TO TRANSFER THE PATENT ON THE GROUNDS THAT IT WAS GRANTED TO A PERSON NOT SO ENTITLED. THE REFERENCE UNDER SECTION 37 IS THEREFORE DIMISSED.