JPH0262975B2 - - Google Patents
Info
- Publication number
- JPH0262975B2 JPH0262975B2 JP2961284A JP2961284A JPH0262975B2 JP H0262975 B2 JPH0262975 B2 JP H0262975B2 JP 2961284 A JP2961284 A JP 2961284A JP 2961284 A JP2961284 A JP 2961284A JP H0262975 B2 JPH0262975 B2 JP H0262975B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- echo canceller
- loop gain
- output signal
- 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
Links
- 238000012937 correction Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012935 Averaging Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2961284A JPS60174536A (ja) | 1984-02-21 | 1984-02-21 | エコ−キヤンセラ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2961284A JPS60174536A (ja) | 1984-02-21 | 1984-02-21 | エコ−キヤンセラ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60174536A JPS60174536A (ja) | 1985-09-07 |
| JPH0262975B2 true JPH0262975B2 (enrdf_load_stackoverflow) | 1990-12-27 |
Family
ID=12280889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2961284A Granted JPS60174536A (ja) | 1984-02-21 | 1984-02-21 | エコ−キヤンセラ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174536A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63234732A (ja) * | 1987-03-24 | 1988-09-30 | Matsushita Electric Ind Co Ltd | 音響エコ−キヤンセラ |
-
1984
- 1984-02-21 JP JP2961284A patent/JPS60174536A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60174536A (ja) | 1985-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |