JPS5921139A - エコ−キヤンセラシステム - Google Patents
エコ−キヤンセラシステムInfo
- Publication number
- JPS5921139A JPS5921139A JP13022682A JP13022682A JPS5921139A JP S5921139 A JPS5921139 A JP S5921139A JP 13022682 A JP13022682 A JP 13022682A JP 13022682 A JP13022682 A JP 13022682A JP S5921139 A JPS5921139 A JP S5921139A
- Authority
- JP
- Japan
- Prior art keywords
- gain
- echo
- circuit
- signal
- amplifier
- 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.)
- Granted
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 |
---|---|---|---|
JP13022682A JPS5921139A (ja) | 1982-07-28 | 1982-07-28 | エコ−キヤンセラシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13022682A JPS5921139A (ja) | 1982-07-28 | 1982-07-28 | エコ−キヤンセラシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5921139A true JPS5921139A (ja) | 1984-02-03 |
JPH0374538B2 JPH0374538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-11-27 |
Family
ID=15029105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13022682A Granted JPS5921139A (ja) | 1982-07-28 | 1982-07-28 | エコ−キヤンセラシステム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5921139A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5792926A (en) * | 1980-11-29 | 1982-06-09 | Toshiba Corp | Echo cancelling device |
-
1982
- 1982-07-28 JP JP13022682A patent/JPS5921139A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5792926A (en) * | 1980-11-29 | 1982-06-09 | Toshiba Corp | Echo cancelling device |
Also Published As
Publication number | Publication date |
---|---|
JPH0374538B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5283784A (en) | Echo canceller processing techniques and processing | |
KR100233077B1 (ko) | 반향소거장치 | |
US5668794A (en) | Variable gain echo suppressor | |
US5732134A (en) | Doubletalk detection by means of spectral content | |
US7856097B2 (en) | Echo canceling apparatus, telephone set using the same, and echo canceling method | |
JP2518433B2 (ja) | ダブルト―ク検出回路 | |
KR960704400A (ko) | 반향소거장치 및 그 학습방법 | |
US6185299B1 (en) | Adaptive echo cancellation device in a voice communication system | |
JPS61135239A (ja) | エコ−キヤンセラ | |
JPH0865216A (ja) | 通信相手の加入者向けの通信用装置 | |
JPS5921139A (ja) | エコ−キヤンセラシステム | |
JPS6223936B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPH08256089A (ja) | エコー打消装置 | |
JP3303524B2 (ja) | エコーキャンセラ学習方法 | |
JPH07303065A (ja) | エコーキャンセラ | |
JP2949989B2 (ja) | エコー消去装置 | |
JPH07303067A (ja) | エコーキャンセラ | |
JP3094634B2 (ja) | エコー除去方法及びエコー除去装置 | |
JPH0342918A (ja) | 防側音回路 | |
JPS6221457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPH05110694A (ja) | 音声加算装置 | |
JPH02146827A (ja) | エコーキャンセラ | |
JPH06101759B2 (ja) | エコーキャンセラ | |
JPS6022833A (ja) | エコ−・キヤンセラ | |
JPS6199425A (ja) | 反響消去回路 |