JPS6258575B2 - - Google Patents
Info
- Publication number
- JPS6258575B2 JPS6258575B2 JP5300881A JP5300881A JPS6258575B2 JP S6258575 B2 JPS6258575 B2 JP S6258575B2 JP 5300881 A JP5300881 A JP 5300881A JP 5300881 A JP5300881 A JP 5300881A JP S6258575 B2 JPS6258575 B2 JP S6258575B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- echo
- path
- coefficient
- wire
- 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
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 |
|---|---|---|---|
| JP5300881A JPS57168531A (en) | 1981-04-10 | 1981-04-10 | Echo erasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5300881A JPS57168531A (en) | 1981-04-10 | 1981-04-10 | Echo erasing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57168531A JPS57168531A (en) | 1982-10-16 |
| JPS6258575B2 true JPS6258575B2 (OSRAM) | 1987-12-07 |
Family
ID=12930880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5300881A Granted JPS57168531A (en) | 1981-04-10 | 1981-04-10 | Echo erasing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57168531A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6096037A (ja) * | 1983-10-31 | 1985-05-29 | Nec Corp | 反響消去装置 |
-
1981
- 1981-04-10 JP JP5300881A patent/JPS57168531A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57168531A (en) | 1982-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4757527A (en) | Echo canceller | |
| US7450713B2 (en) | Echo canceller employing dual-H architecture having improved non-linear echo path detection | |
| US6198819B1 (en) | Echo canceller having improved non-linear processor | |
| EP0518383B1 (en) | Method and arrangement of echo elimination in digital telecommunications system | |
| US4845746A (en) | Echo canceller with relative feedback control | |
| JP2000252881A (ja) | ダブルトーク検知装置並びにエコーキャンセラ装置およびエコーサプレッサー装置 | |
| JPH10242891A (ja) | エコーキャンセラ | |
| JPS59225626A (ja) | デ−タ伝送装置用エコ−キヤンセラ装置 | |
| KR100320315B1 (ko) | 적응에코제거방법 | |
| JPS6258575B2 (OSRAM) | ||
| JP2002280938A (ja) | エコーキャンセラ装置 | |
| JP3865050B2 (ja) | エコーキャンセラ装置 | |
| JPH07303065A (ja) | エコーキャンセラ | |
| JPS6129178B2 (OSRAM) | ||
| JPH04262627A (ja) | エコーキャンセラ装置 | |
| JPH03280724A (ja) | エコーキヤンセラ装置 | |
| JPH07303064A (ja) | エコーキャンセラ | |
| JPH08251079A (ja) | エコーキャンセラ | |
| JPH07303061A (ja) | エコーキャンセラおよびエコーパス推定方法 | |
| JPH07303073A (ja) | ノイズ低減回路およびこの回路を用いたエコーキャンセラ | |
| JPS61199338A (ja) | エコ−キヤンセラトレ−ニング方式 | |
| JPH03280725A (ja) | エコーキヤンセラ | |
| JPH05244042A (ja) | エコーキャンセラの双方向通話によるエコー消去量低下防止回路 | |
| JPS6342892B2 (OSRAM) | ||
| JPS6199425A (ja) | 反響消去回路 |