JPS6129178B2 - - Google Patents
Info
- Publication number
- JPS6129178B2 JPS6129178B2 JP7462577A JP7462577A JPS6129178B2 JP S6129178 B2 JPS6129178 B2 JP S6129178B2 JP 7462577 A JP7462577 A JP 7462577A JP 7462577 A JP7462577 A JP 7462577A JP S6129178 B2 JPS6129178 B2 JP S6129178B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- echo
- path
- pseudo
- side transmission
- 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
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000006854 communication Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 12
- 238000012937 correction Methods 0.000 description 9
- 208000019300 CLIPPERS Diseases 0.000 description 8
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 8
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 6
- 238000013139 quantization Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001629 suppression 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 |
---|---|---|---|
JP7462577A JPS548910A (en) | 1977-06-22 | 1977-06-22 | Echo erasing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7462577A JPS548910A (en) | 1977-06-22 | 1977-06-22 | Echo erasing unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS548910A JPS548910A (en) | 1979-01-23 |
JPS6129178B2 true JPS6129178B2 (de) | 1986-07-04 |
Family
ID=13552552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7462577A Granted JPS548910A (en) | 1977-06-22 | 1977-06-22 | Echo erasing unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS548910A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4600815A (en) * | 1982-07-30 | 1986-07-15 | Communications Satellite Corporation | Automatic gain control for echo cancellers and similar adaptive systems |
JPS59205833A (ja) * | 1983-05-09 | 1984-11-21 | Nec Corp | 廻り込み信号抑圧装置 |
JPS6076823A (ja) * | 1983-10-03 | 1985-05-01 | Nec Corp | センタ−クリツパ |
DE3576772D1 (de) * | 1985-04-30 | 1990-04-26 | Ibm | Verfahren und vorrichtung zur echoannullierung in einem uebertragungsnetzwerk. |
-
1977
- 1977-06-22 JP JP7462577A patent/JPS548910A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS548910A (en) | 1979-01-23 |
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