CA2614488A1 - 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 PDFInfo
- Publication number
- CA2614488A1 CA2614488A1 CA002614488A CA2614488A CA2614488A1 CA 2614488 A1 CA2614488 A1 CA 2614488A1 CA 002614488 A CA002614488 A CA 002614488A CA 2614488 A CA2614488 A CA 2614488A CA 2614488 A1 CA2614488 A1 CA 2614488A1
- Authority
- CA
- Canada
- Prior art keywords
- echo
- echo canceller
- response
- linear
- value
- 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.)
- Abandoned
Links
- 238000001514 detection method Methods 0.000 title description 7
- 230000004044 response Effects 0.000 claims abstract description 82
- 230000003044 adaptive effect Effects 0.000 claims abstract description 36
- 238000012546 transfer Methods 0.000 claims description 95
- 239000006185 dispersion Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 30
- 230000006978 adaptation Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000012935 Averaging Methods 0.000 description 4
- 230000008649 adaptation response Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 241000219498 Alnus glutinosa Species 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
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 |
|---|---|
| CA2614488A1 true CA2614488A1 (fr) | 1999-05-27 |
Family
ID=37951643
Family Applications (3)
| 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 |
| 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 |
Family Applications After (2)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA2614488A1 (fr) |
-
1998
- 1998-11-13 CA CA002614488A patent/CA2614488A1/fr not_active Abandoned
- 1998-11-13 CA CA002614594A patent/CA2614594A1/fr not_active Abandoned
- 1998-11-13 CA CA002580432A patent/CA2580432A1/fr not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2580432A1 (fr) | 1999-05-27 |
| CA2614594A1 (fr) | 1999-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2307651C (fr) | Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire | |
| AU757529B2 (en) | Echo canceller having improved non-linear processor | |
| US20060115077A1 (en) | Echo canceller employing dual-H architecture having variable adaptive gain settings | |
| EP1060610B1 (fr) | Annuleur d'echo utilisant une architecture double h presentant des reglages de gain adaptatif separes | |
| US6181793B1 (en) | Echo canceller employing dual-H architecture having improved coefficient transfer | |
| CA2307653C (fr) | Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de double parole | |
| CA2614488A1 (fr) | Suppresseur d'echo utilisant une architecture a double h assurant une detection amelioree de chemin d'echo non lineaire | |
| CA2592930A1 (fr) | Compensateur d'echo mettant en application une double architecture en h possedant des reglages variables de gain adaptatif |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |