CA2580432A1 - Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire - Google Patents

Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire Download PDF

Info

Publication number: CA2580432A1
Authority: CA; Canada
Prior art keywords: echo; tap coefficients; linear; response; adaptive tap
Prior art date: 1997-11-14
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.): Abandoned

Application number

CA002580432A

Other languages

English (en)

Inventor

Kenneth P. Laberteaux

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.)

Coriant Operations Inc

Original Assignee

Individual

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.)

1997-11-14

Filing date

1998-11-13

Publication date

1999-05-27

1997-11-14 Priority claimed from US08/970,228 external-priority patent/US6028929A/en

1998-11-13 Application filed by Individual filed Critical Individual

1999-05-27 Publication of CA2580432A1 publication Critical patent/CA2580432A1/fr

Status Abandoned legal-status Critical Current

Links

238000001514 detection method Methods 0.000 title description 8
230000004044 response Effects 0.000 claims abstract description 84
230000003044 adaptive effect Effects 0.000 claims abstract description 69
238000000034 method Methods 0.000 claims abstract description 36
238000012545 processing Methods 0.000 claims abstract description 4
238000012546 transfer Methods 0.000 claims description 101
239000006185 dispersion Substances 0.000 claims description 31
230000006978 adaptation Effects 0.000 claims description 17
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230000002401 inhibitory effect Effects 0.000 claims 4
230000008569 process Effects 0.000 description 16
238000005259 measurement Methods 0.000 description 5
238000012935 Averaging Methods 0.000 description 4
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102100028701 General vesicular transport factor p115 Human genes 0.000 description 1
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Landscapes

Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

CA002580432A 1997-11-14 1998-11-13 Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire Abandoned CA2580432A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/970,228		1997-11-14
US08/970,228 US6028929A (en)	1997-11-14	1997-11-14	Echo canceller employing dual-H architecture having improved non-linear echo path detection
CA002307651A CA2307651C (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002307651A Division CA2307651C (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire

Publications (1)

Publication Number	Publication Date
CA2580432A1 true CA2580432A1 (fr)	1999-05-27

Family

ID=37951643

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
CA002614594A Abandoned CA2614594A1 (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire
CA002580432A Abandoned CA2580432A1 (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire
CA002614488A Abandoned CA2614488A1 (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA002614594A Abandoned CA2614594A1 (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CA002614488A Abandoned CA2614488A1 (fr)	1997-11-14	1998-11-13	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire

Country Status (1)

Country	Link
CA (3)	CA2614594A1 (fr)

1998
- 1998-11-13 CA CA002614594A patent/CA2614594A1/fr not_active Abandoned
- 1998-11-13 CA CA002580432A patent/CA2580432A1/fr not_active Abandoned
- 1998-11-13 CA CA002614488A patent/CA2614488A1/fr not_active Abandoned

Also Published As

Publication number	Publication date
CA2614594A1 (fr)	1999-05-27
CA2614488A1 (fr)	1999-05-27

Legal Events

Date	Code	Title	Description
2007-09-06	EEER	Examination request
2010-11-15	FZDE	Dead

Publication	Publication Date	Title
US6507652B1 (en)	2003-01-14	Echo canceller employing dual-H architecture having improved non-linear echo path detection
AU757529B2 (en)	2003-02-27	Echo canceller having improved non-linear processor
AU740467B2 (en)	2001-11-01	Echo canceller employing dual-H architecture having variable adaptive gain settings
EP1060610B1 (fr)	2008-10-29	Annuleur d'echo utilisant une architecture double h presentant des reglages de gain adaptatif separes
US6181793B1 (en)	2001-01-30	Echo canceller employing dual-H architecture having improved coefficient transfer
CA2307653C (fr)	2007-04-24	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de double parole
CA2580432A1 (fr)	1999-05-27	Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire
CA2592930A1 (fr)	1999-05-27	Compensateur d'echo mettant en application une double architecture en h possedant des reglages variables de gain adaptatif