JPH0448005B2 - - Google Patents
Info
- Publication number
- JPH0448005B2 JPH0448005B2 JP59157851A JP15785184A JPH0448005B2 JP H0448005 B2 JPH0448005 B2 JP H0448005B2 JP 59157851 A JP59157851 A JP 59157851A JP 15785184 A JP15785184 A JP 15785184A JP H0448005 B2 JPH0448005 B2 JP H0448005B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- input signal
- register
- receiving side
- side input
- 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 - Lifetime
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15785184A JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
US06/758,806 US4672665A (en) | 1984-07-27 | 1985-07-25 | Echo canceller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15785184A JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6135630A JPS6135630A (ja) | 1986-02-20 |
JPH0448005B2 true JPH0448005B2 (enrdf_load_stackoverflow) | 1992-08-05 |
Family
ID=15658753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15785184A Granted JPS6135630A (ja) | 1984-07-27 | 1984-07-27 | エコ−キヤンセラ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6135630A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4891805B2 (ja) * | 2007-02-23 | 2012-03-07 | 日本電信電話株式会社 | 残響除去装置、残響除去方法、残響除去プログラム、記録媒体 |
JP4729534B2 (ja) * | 2007-05-25 | 2011-07-20 | 日本電信電話株式会社 | 残響除去装置、残響除去方法、残響除去プログラム、および、その記録媒体 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57212831A (en) * | 1981-06-24 | 1982-12-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Echo controlling system |
-
1984
- 1984-07-27 JP JP15785184A patent/JPS6135630A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6135630A (ja) | 1986-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2503747B2 (ja) | Fir形エコ―キャンセラ | |
US20080205633A1 (en) | Estimating delay of an echo path in a communication system | |
US5247512A (en) | Echo canceller | |
SE511073C2 (sv) | Sätt och anordning för ekoestimering och undertryckning i telefonsystem | |
JPS5829012B2 (ja) | エコ−制御方式 | |
US4672665A (en) | Echo canceller | |
US7003095B2 (en) | Acoustic echo canceler and handsfree telephone set | |
US6865270B1 (en) | Echo cancellation method and apparatus | |
JP3385221B2 (ja) | エコーキャンセラ | |
JP2002057606A (ja) | 音響およびネットワークエコーキャンセレーションにおいて用いるための耐誤差性の適応フィルタ | |
US5737409A (en) | Echo removing apparatus | |
JP2000323962A (ja) | 適応識別の方法と装置および、そのような方法を用いた適応反響消去器 | |
US8666058B2 (en) | Time domain adaptive filter bank for network echo reduction or cancellation | |
JPH0448005B2 (enrdf_load_stackoverflow) | ||
JPH11145878A (ja) | 適応フィルタによる未知システム同定の方法及び装置 | |
JP3452341B2 (ja) | エコーキャンセラ | |
JP3244416B2 (ja) | エコーキャンセラ | |
JP3631459B2 (ja) | エコーキャンセラ | |
JPH1013310A (ja) | エコーキャンセラ | |
JPS60247339A (ja) | エコ−キヤンセラ | |
JP2841952B2 (ja) | エコー消去装置 | |
JP3217614B2 (ja) | 音響反響除去装置 | |
JPS61206330A (ja) | エコ−キヤンセラ | |
US7917562B2 (en) | Method and system for estimating and applying a step size value for LMS echo cancellers | |
JP3635644B2 (ja) | エコーキャンセラ |