KR950701164A - 음성통신장치 - Google Patents

음성통신장치

Info

Publication number: KR950701164A
Authority: KR; South Korea
Prior art keywords: communication device; voice communication; voice; communication
Prior art date: 1993-01-20

Application number

KR1019940703280A

Other languages

English (en)

Other versions

KR0154968B1 (ko

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.)

1993-01-20

Filing date

1994-09-17

Publication date

1995-02-20

1994-01-10 Application filed filed Critical

1995-02-20 Publication of KR950701164A publication Critical patent/KR950701164A/ko

1998-11-16 Application granted granted Critical

1998-11-16 Publication of KR0154968B1 publication Critical patent/KR0154968B1/ko

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Telephone Function (AREA)

KR1019940703280A 1993-01-20 1994-01-10 음성통신장치 KR0154968B1 (ko)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP5007494A JPH06216811A (ja)	1993-01-20	1993-01-20	エコーキャンセラを備えた音声通信装置
JP93-7494		1993-01-20
PCT/JP1994/000017 WO1994017603A1 (fr)	1993-01-20	1994-01-10	Systeme de communication vocale

Publications (2)

Publication Number	Publication Date
KR950701164A true KR950701164A (ko)	1995-02-20
KR0154968B1 KR0154968B1 (ko)	1998-11-16

Family

ID=11667330

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR1019940703280A KR0154968B1 (ko)	1993-01-20	1994-01-10	음성통신장치

Country Status (8)

Country	Link
US (1)	US5636323A (ko)
EP (1)	EP0642230A4 (ko)
JP (1)	JPH06216811A (ko)
KR (1)	KR0154968B1 (ko)
CA (1)	CA2132428C (ko)
FI (1)	FI944342A (ko)
TW (1)	TW316735U (ko)
WO (1)	WO1994017603A1 (ko)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5771278A (en) *	1993-12-27	1998-06-23	Cirrus Logic, Inc.	Method and apparatus for minimizing system oscillations caused by acoustical coupling
US5828756A (en) *	1994-11-22	1998-10-27	Lucent Technologies Inc.	Stereophonic acoustic echo cancellation using non-linear transformations
FR2729804B1 (fr) *	1995-01-24	1997-04-04	Matra Communication	Annuleur d'echo acoustique a filtre adaptatif et passage dans le domaine frequentiel
FI99062C (fi) *	1995-10-05	1997-09-25	Nokia Mobile Phones Ltd	Puhesignaalin taajuuskorjaus matkapuhelimessa
DE19543666A1 (de) *	1995-11-23	1997-05-28	Sel Alcatel Ag	Echokompensator
DE19600965C2 (de) *	1996-01-12	2001-08-23	Siemens Ag	Mobiles Fernsprechendgerät
US7088832B1 (en) *	1996-03-14	2006-08-08	Cooper J Carl	IFB system apparatus and method
US5796818A (en) *	1996-08-08	1998-08-18	Northern Telecom Limited	Dynamic optimization of handsfree microphone gain
KR100200635B1 (ko) *	1996-10-28	1999-06-15	윤종용	화상회의 시스템에서의 반향제어 장치 및 제어방법
JPH10271595A (ja) *	1997-03-21	1998-10-09	Nec Corp	帰還があるスピーカ装置
DE19743192C2 (de) *	1997-09-30	1999-09-09	Siemens Ag	Echokompensationsverfahren, Echokompensationsvorrichtung und Telekommunikationsgerät
JP3267556B2 (ja) *	1998-02-18	2002-03-18	沖電気工業株式会社	エコー除去装置および送話器
US6850783B1 (en) *	1998-08-07	2005-02-01	Ericsson Inc.	Methods and apparatus for mitigating the effects of microphone overload in echo cancelation systems
US6173056B1 (en) *	1998-08-25	2001-01-09	Ericsson Inc.	Methods for adjusting audio signals responsive to changes in a power supply level and related communications devices
JP4036542B2 (ja)	1998-09-18	2008-01-23	富士通株式会社	エコーキャンセラ
WO2000018085A1 (de) *	1998-09-24	2000-03-30	Siemens Aktiengesellschaft	Verfahren und vorrichtung zur akustikkompensation
JP2000252881A (ja) *	1999-02-25	2000-09-14	Mitsubishi Electric Corp	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
US6487178B1 (en)	1999-05-12	2002-11-26	Ericsson Inc.	Methods and apparatus for providing volume control in communicating systems including a linear echo canceler
US6254159B1 (en) *	1999-08-12	2001-07-03	Ardell G. Wieczorek	Offroad search and rescue vehicle
KR20010065803A (ko) *	1999-12-30	2001-07-11	윤종용	휴대 전화 단말 장치의 통화중 음색 변환 방법
CN1235348C (zh) *	2000-01-19	2006-01-04	三菱电机株式会社	语音通信装置及回声处理处理器
US6959167B1 (en) *	2000-08-11	2005-10-25	Scansoft, Inc.	Noise-level adaptive residual echo suppressor
JP3862545B2 (ja) *	2001-10-22	2006-12-27	沖電気工業株式会社	エコーキャンセラ
JP2003318783A (ja)	2002-04-19	2003-11-07	Nec Corp	エコーキャンセラを搭載した音声信号処理システム、および音声信号処理方法
JP4541159B2 (ja) *	2003-01-08	2010-09-08	エヌエックスピービーヴィ	非線形音響エコーキャンセラ
US20060184361A1 (en) *	2003-04-08	2006-08-17	Markus Lieb	Method and apparatus for reducing an interference noise signal fraction in a microphone signal
KR20060016789A (ko) *	2003-05-27	2006-02-22	코닌클리케 필립스 일렉트로닉스 엔.브이.	에코 제거 시스템을 가진 확성기-마이크로폰 시스템 및에코 제거 방법
US7894598B2 (en) *	2004-12-14	2011-02-22	Nuance Communications, Inc.	System for limiting receive audio
US7705921B2 (en) *	2005-05-18	2010-04-27	Asahi Kasei Microsystems Co., Ltd.	Digital BTSC multi-channel TV sound decoder circuit, and decoder comprising same
US20090088224A1 (en) *	2007-09-27	2009-04-02	Texas Instruments Incorporated	Adaptive volume control
EP2410763A4 (en) *	2009-03-19	2013-09-04	Yugengaisya Cepstrum	FEEDBACK SUPPRESSION
US9185233B2 (en) *	2010-05-25	2015-11-10	Intel Deutschland Gmbh	Audio communication device and method using fixed echo cancellation filter coefficients
US8478359B2 (en) *	2010-06-04	2013-07-02	Apple Inc.	User interface tone echo cancellation
US9847078B2 (en)	2014-07-07	2017-12-19	Sensibol Audio Technologies Pvt. Ltd.	Music performance system and method thereof
EP3667662B1 (en) *	2018-12-12	2022-08-10	Panasonic Intellectual Property Corporation of America	Acoustic echo cancellation device, acoustic echo cancellation method and acoustic echo cancellation program
JP7183119B2 (ja) *	2019-06-13	2022-12-05	株式会社デンソーテン	音声信号処理装置
JP7186139B2 (ja) *	2019-06-26	2022-12-08	株式会社デンソーテン	信号処理装置および信号処理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
JPS5990434A (ja) *	1982-11-15	1984-05-24	Nec Corp	適応形反響消去装置
FR2612029B1 (fr) *	1987-03-03	1989-05-12	Connan Jean Louis	Dispositif pour la realisation de la fonction " mains-libres " dans un poste telephonique, associant les fonctions de commutation de gain et d'annulation d'echo
JPH02125534A (ja) *	1988-11-04	1990-05-14	Nec Corp	エコーキャンセラ
JP2842607B2 (ja) *	1989-03-13	1999-01-06	株式会社日立製作所	エコーキャンセラ、それを備えた通信装置および信号処理方法
JP3014394B2 (ja) *	1989-06-14	2000-02-28	沖電気工業株式会社	電話機
CA2001277C (en) *	1989-10-24	1994-07-12	Bruce Leigh Townsend	Hands free telecommunications apparatus and method
US5263079A (en) *	1990-11-30	1993-11-16	Kabushiki Kaisha Toshiba	Dual mode cellular radio communication apparatus having an echo canceller employed in both analog and digital modes
NL9002790A (nl) *	1990-12-18	1992-07-16	Philips Nv	Echocompensator met verbeterde dubbelspraak detectie.
JP2794999B2 (ja) *	1991-08-14	1998-09-10	国際電信電話株式会社	エコーキャンセル方式
WO1994000944A1 (en) *	1992-06-30	1994-01-06	Polycom, Inc.	Method and apparatus for ringer detection

1993
- 1993-01-20 JP JP5007494A patent/JPH06216811A/ja active Pending
1994
- 1994-01-10 EP EP94904008A patent/EP0642230A4/en not_active Withdrawn
- 1994-01-10 KR KR1019940703280A patent/KR0154968B1/ko not_active IP Right Cessation
- 1994-01-10 WO PCT/JP1994/000017 patent/WO1994017603A1/ja not_active Application Discontinuation
- 1994-01-10 CA CA002132428A patent/CA2132428C/en not_active Expired - Fee Related
- 1994-01-10 US US08/302,889 patent/US5636323A/en not_active Expired - Lifetime
- 1994-09-19 FI FI944342A patent/FI944342A/fi unknown
1996
- 1996-01-20 TW TW085205301U patent/TW316735U/zh unknown

Also Published As

Publication number	Publication date
JPH06216811A (ja)	1994-08-05
FI944342A0 (fi)	1994-09-19
US5636323A (en)	1997-06-03
CA2132428A1 (en)	1994-07-21
EP0642230A1 (en)	1995-03-08
TW316735U (en)	1997-09-21
FI944342A (fi)	1994-11-18
CA2132428C (en)	2000-05-30
KR0154968B1 (ko)	1998-11-16
EP0642230A4 (en)	1999-05-12
WO1994017603A1 (fr)	1994-08-04

Legal Events

Date	Code	Title	Description
1994-09-17	A201	Request for examination
1997-06-30	E902	Notification of reason for refusal
1997-10-23	AMND	Amendment
1998-01-31	E601	Decision to refuse application
1998-03-09	J201	Request for trial against refusal decision
1998-04-27	B701	Decision to grant
1998-07-11	GRNT	Written decision to grant
2012-06-21	FPAY	Annual fee payment	Payment date: 20120621 Year of fee payment: 15
2013-06-20	FPAY	Annual fee payment	Payment date: 20130620 Year of fee payment: 16
2014-01-11	EXPY	Expiration of term

Publication	Publication Date	Title
KR950701164A (ko)	1995-02-20	음성통신장치
FI953215A0 (fi)	1995-06-29	Viestintälaite
DE69527369T2 (de)	2003-03-06	Kommunikationsgerät
DE69327866T2 (de)	2000-11-02	Mobile Kommunikationseinrichtung
DE69332765D1 (de)	2003-04-17	Telefon-hörsprechgarnitur
DE69325942D1 (de)	1999-09-16	Mikrophongerät
DE69416290T2 (de)	1999-06-02	Fernmeldegerät
DE69332062D1 (de)	2002-08-01	Drahtloses telefongerät
FI960684A0 (fi)	1996-02-15	Puhelinkuuloke
DE69331032D1 (de)	2001-12-06	Kommunikationseinrichtung
DE69433321D1 (de)	2003-12-18	Kommunikationsgerät
DE69329588D1 (de)	2000-11-30	Kommunikationsgerät
DE69430969T2 (de)	2003-03-13	Drahtloses Fernsprechgerät
DE69628794D1 (de)	2003-07-31	Kommunikationsgerät
FI960582A0 (fi)	1996-02-08	Matkaviestinlaite
FI941373A0 (fi)	1994-03-24	Radioviestinlaitteisto
FI952054A (fi)	1995-04-28	Johdoton televiestintälaite
FI930971A (fi)	1994-09-05	Tietoliikennelaite
FI945044A (fi)	1995-04-27	Radioteleliikennelaite
DE69635220D1 (de)	2006-02-09	Kommunikationsgerät
DE69427053D1 (de)	2001-05-17	Kommunikationseinrichtung
UA307S (uk)	1994-10-25	Телефонний апарат
LV10739A (lv)	1995-06-20	Sarunu ierice
DE69326317D1 (de)	1999-10-14	Kommunikationsgerät
UA595S (uk)	1994-12-29	Апарат телефонний