JPS6251530B2 - - Google Patents
Info
- Publication number
- JPS6251530B2 JPS6251530B2 JP7029980A JP7029980A JPS6251530B2 JP S6251530 B2 JPS6251530 B2 JP S6251530B2 JP 7029980 A JP7029980 A JP 7029980A JP 7029980 A JP7029980 A JP 7029980A JP S6251530 B2 JPS6251530 B2 JP S6251530B2
- Authority
- JP
- Japan
- Prior art keywords
- echo
- signal
- output
- sampling
- echo canceller
- 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
- 238000005070 sampling Methods 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised 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 |
|---|---|---|---|
| JP7029980A JPS56166647A (en) | 1980-05-27 | 1980-05-27 | Echo canceler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7029980A JPS56166647A (en) | 1980-05-27 | 1980-05-27 | Echo canceler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56166647A JPS56166647A (en) | 1981-12-21 |
| JPS6251530B2 true JPS6251530B2 (enExample) | 1987-10-30 |
Family
ID=13427433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7029980A Granted JPS56166647A (en) | 1980-05-27 | 1980-05-27 | Echo canceler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56166647A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020241535A1 (ja) | 2019-05-31 | 2020-12-03 | 富士フイルム株式会社 | 光センサおよびセンシング装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61126830A (ja) * | 1984-11-22 | 1986-06-14 | Nec Corp | 信号伝送方式 |
-
1980
- 1980-05-27 JP JP7029980A patent/JPS56166647A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020241535A1 (ja) | 2019-05-31 | 2020-12-03 | 富士フイルム株式会社 | 光センサおよびセンシング装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56166647A (en) | 1981-12-21 |
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