JPH0413892B2 - - Google Patents

Info

Publication number: JPH0413892B2
Authority: JP; Japan
Prior art keywords: adaptive filter; echo; signal; switch; echo path
Prior art date: 1985-08-30
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

Application number

JP19243285A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6251836A (ja

Inventor

Hiromoto Furukawa

Satoru Ibaraki

Hiroyuki Naono

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co Ltd

Priority date (The priority date 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 date listed.)

1985-08-30

Filing date

1985-08-30

Publication date

1992-03-11

1985-08-30 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1985-08-30 Priority to JP60192432A priority Critical patent/JPS6251836A/ja

1987-03-06 Publication of JPS6251836A publication Critical patent/JPS6251836A/ja

1992-03-11 Publication of JPH0413892B2 publication Critical patent/JPH0413892B2/ja

Status Granted legal-status Critical Current

Links

230000003044 adaptive effect Effects 0.000 claims description 116
230000006854 communication Effects 0.000 claims description 16
238000004891 communication Methods 0.000 claims description 16
238000001514 detection method Methods 0.000 claims description 16
230000000977 initiatory effect Effects 0.000 claims 1
230000000694 effects Effects 0.000 description 42
230000005540 biological transmission Effects 0.000 description 9
238000010586 diagram Methods 0.000 description 6
108010076504 Protein Sorting Signals Proteins 0.000 description 4
230000006978 adaptation Effects 0.000 description 4
238000002592 echocardiography Methods 0.000 description 4
230000007423 decrease Effects 0.000 description 3
230000007774 longterm Effects 0.000 description 3
238000000034 method Methods 0.000 description 3
230000007175 bidirectional communication Effects 0.000 description 2
230000006866 deterioration Effects 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 1
230000001934 delay Effects 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000000284 extract Substances 0.000 description 1
230000002250 progressing effect Effects 0.000 description 1

Landscapes

Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

JP60192432A 1985-08-30 1985-08-30 反響消去装置 Granted JPS6251836A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP60192432A JPS6251836A (ja)	1985-08-30	1985-08-30	反響消去装置

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP60192432A JPS6251836A (ja)	1985-08-30	1985-08-30	反響消去装置

Publications (2)

Publication Number	Publication Date
JPS6251836A JPS6251836A (ja)	1987-03-06
JPH0413892B2 true JPH0413892B2 (de)	1992-03-11

Family

ID=16291209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP60192432A Granted JPS6251836A (ja)	1985-08-30	1985-08-30	反響消去装置

Country Status (1)

Country	Link
JP (1)	JPS6251836A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0695662B2 (ja) *	1989-11-13	1994-11-24	日本電気株式会社	ディジタル多重化通信装置

1985
- 1985-08-30 JP JP60192432A patent/JPS6251836A/ja active Granted

Also Published As

Publication number	Publication date
JPS6251836A (ja)	1987-03-06

Similar Documents

Publication	Publication Date	Title
US6507652B1 (en)	2003-01-14	Echo canceller employing dual-H architecture having improved non-linear echo path detection
US7020278B2 (en)	2006-03-28	Echo canceller having improved non-linear processor
JP4456622B2 (ja)	2010-04-28	ダブルトーク検出器、ダブルトーク検出方法及びエコーキャンセラ
US5305309A (en)	1994-04-19	Echo canceller
US20090028354A1 (en)	2009-01-29	Echo Canceller Employing Dual-H Architecture Having Split Adaptive Gain Settings
US7200222B2 (en)	2007-04-03	Echo canceller employing dual-H architecture having variable adaptive gain settings
US6608897B1 (en)	2003-08-19	Double-talk insensitive NLMS algorithm
JP4075835B2 (ja)	2008-04-16	拡声通話装置
US5477535A (en)	1995-12-19	Method of preventing a divergence of an adaptive echo canceller in a noisy signal environment
US6839427B2 (en)	2005-01-04	Method and apparatus for echo canceller automatic gain control
JPH0413892B2 (de)	1992-03-11
JP3220979B2 (ja)	2001-10-22	音声スイッチ
JP2001523926A (ja)	2001-11-27	改良型ダブルトーク検出を有するデュアルｈアーキテクチャを利用するエコーキャンセラ
JPH07226697A (ja)	1995-08-22	反響消去装置、反響消去方法及び反響消去装置を有する送受話器
JP3248551B2 (ja)	2002-01-21	反響消去装置
JPS6235723A (ja)	1987-02-16	反響消去装置
JPS634742B2 (de)	1988-01-30
JP2002016691A (ja)	2002-01-18	エコーキャンセラ
JPS61161034A (ja)	1986-07-21	反響消去装置
JP3248550B2 (ja)	2002-01-21	反響消去装置
JPH04227341A (ja)	1992-08-17	反響消去装置
JPH04252524A (ja)	1992-09-08	反響消去装置
JPH0439248B2 (de)	1992-06-29
JPH02174353A (ja)	1990-07-05	エコーキヤンセラ
JPS62237817A (ja)	1987-10-17	反響消去装置