IL131769A - Multi-entry cordless phone with reverberation suppression - Google Patents
Multi-entry cordless phone with reverberation suppressionInfo
- Publication number
- IL131769A IL131769A IL13176998A IL13176998A IL131769A IL 131769 A IL131769 A IL 131769A IL 13176998 A IL13176998 A IL 13176998A IL 13176998 A IL13176998 A IL 13176998A IL 131769 A IL131769 A IL 131769A
- Authority
- IL
- Israel
- Prior art keywords
- echo
- signal
- summer
- digital
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/015—Reducing echo effects
-
- 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
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephonic Communication Services (AREA)
- Telephone Function (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/820,934 US5999828A (en) | 1997-03-19 | 1997-03-19 | Multi-user wireless telephone having dual echo cancellers |
PCT/US1998/005372 WO1998042084A1 (en) | 1997-03-19 | 1998-03-18 | Multi-input wireless phone with echo suppression |
Publications (2)
Publication Number | Publication Date |
---|---|
IL131769A0 IL131769A0 (en) | 2001-03-19 |
IL131769A true IL131769A (en) | 2002-11-10 |
Family
ID=25232090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13176998A IL131769A (en) | 1997-03-19 | 1998-03-18 | Multi-entry cordless phone with reverberation suppression |
Country Status (16)
Country | Link |
---|---|
US (1) | US5999828A (ru) |
EP (1) | EP0968572B1 (ru) |
JP (1) | JP2001516539A (ru) |
KR (1) | KR20000076309A (ru) |
CN (1) | CN1135729C (ru) |
AT (1) | ATE334513T1 (ru) |
AU (1) | AU741749B2 (ru) |
BR (1) | BR9808372A (ru) |
CA (1) | CA2283707A1 (ru) |
DE (1) | DE69835347T2 (ru) |
ES (1) | ES2267180T3 (ru) |
FI (1) | FI120568B (ru) |
ID (1) | ID24156A (ru) |
IL (1) | IL131769A (ru) |
RU (1) | RU2199180C2 (ru) |
WO (1) | WO1998042084A1 (ru) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3139405B2 (ja) * | 1997-02-28 | 2001-02-26 | 日本電気株式会社 | エコーキャンセラ |
US6633604B1 (en) * | 1997-08-11 | 2003-10-14 | Vocal Technologies, Ltd. | Method of improving echo canceller training in modems and of discovering characteristics of a PCM channel |
US6731748B1 (en) * | 1998-11-30 | 2004-05-04 | Qualcomm Incorporated | Audio interface for satellite user terminals |
KR100407938B1 (ko) * | 1999-10-11 | 2003-12-01 | 엘지전자 주식회사 | 이동통신시스템의 음성처리장치 |
WO2001033814A1 (en) * | 1999-11-03 | 2001-05-10 | Tellabs Operations, Inc. | Integrated voice processing system for packet networks |
US20020181699A1 (en) * | 2001-03-23 | 2002-12-05 | Tien Pham | System for convolutional echo cancellation by iterative autocorrelation |
US6895086B2 (en) * | 2001-11-13 | 2005-05-17 | Inmate Telephone, Inc. | 3-Way call detection system and method |
KR20030052708A (ko) * | 2001-12-21 | 2003-06-27 | 엘지전자 주식회사 | 일체형 무선 가입자 망 시스템 |
US20040224645A1 (en) * | 2003-05-07 | 2004-11-11 | Ching Liou Chih | Phone handset with wireless technology |
CA2534767A1 (en) * | 2003-08-05 | 2005-03-17 | Inmate Telephone, Inc. | Three-way call detection using steganography |
US20050285935A1 (en) * | 2004-06-29 | 2005-12-29 | Octiv, Inc. | Personal conferencing node |
US7860236B2 (en) * | 2007-02-01 | 2010-12-28 | Hewlet-Packard Company | Method and system for echo cancellation in a network switch |
US20080201158A1 (en) | 2007-02-15 | 2008-08-21 | Johnson Mark D | System and method for visitation management in a controlled-access environment |
US8542802B2 (en) | 2007-02-15 | 2013-09-24 | Global Tel*Link Corporation | System and method for three-way call detection |
US11856375B2 (en) | 2007-05-04 | 2023-12-26 | Staton Techiya Llc | Method and device for in-ear echo suppression |
US11683643B2 (en) | 2007-05-04 | 2023-06-20 | Staton Techiya Llc | Method and device for in ear canal echo suppression |
US10194032B2 (en) | 2007-05-04 | 2019-01-29 | Staton Techiya, Llc | Method and apparatus for in-ear canal sound suppression |
US8526645B2 (en) | 2007-05-04 | 2013-09-03 | Personics Holdings Inc. | Method and device for in ear canal echo suppression |
US8411871B2 (en) * | 2007-08-22 | 2013-04-02 | Lantiq Deutschland Gmbh | Echo cancellation |
US8630685B2 (en) * | 2008-07-16 | 2014-01-14 | Qualcomm Incorporated | Method and apparatus for providing sidetone feedback notification to a user of a communication device with multiple microphones |
US9202455B2 (en) * | 2008-11-24 | 2015-12-01 | Qualcomm Incorporated | Systems, methods, apparatus, and computer program products for enhanced active noise cancellation |
US8498407B2 (en) * | 2008-12-02 | 2013-07-30 | Qualcomm Incorporated | Systems and methods for double-talk detection in acoustically harsh environments |
US9028878B2 (en) | 2009-02-03 | 2015-05-12 | Microbion Corporation | Bismuth-thiols as antiseptics for biomedical uses, including treatment of bacterial biofilms and other uses |
CN102341105B (zh) | 2009-02-03 | 2014-09-17 | 微生物公司 | 用作上皮组织、急性和慢性伤口、细菌生物被膜和其他适应症的抗菌剂的铋硫醇 |
US8630726B2 (en) | 2009-02-12 | 2014-01-14 | Value-Added Communications, Inc. | System and method for detecting three-way call circumvention attempts |
US9225838B2 (en) | 2009-02-12 | 2015-12-29 | Value-Added Communications, Inc. | System and method for detecting three-way call circumvention attempts |
US20100304679A1 (en) * | 2009-05-28 | 2010-12-02 | Hanks Zeng | Method and System For Echo Estimation and Cancellation |
JP2013518895A (ja) * | 2010-02-03 | 2013-05-23 | マイクロビオン コーポレーション | 細菌バイオフィルムの処置および他の使用をはじめとする、生体医学的使用のための消毒薬としてのビスマス−チオール |
KR102074444B1 (ko) * | 2010-02-03 | 2020-02-06 | 마이크로비온 코포레이션 | 세균 균막의 치료 및 다른 용도를 포함하는, 생의학적 용도를 위한 방부제로서 비스무트-티올 |
EP2444967A1 (en) | 2010-10-25 | 2012-04-25 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Echo suppression comprising modeling of late reverberation components |
US10572961B2 (en) | 2016-03-15 | 2020-02-25 | Global Tel*Link Corporation | Detection and prevention of inmate to inmate message relay |
US9609121B1 (en) | 2016-04-07 | 2017-03-28 | Global Tel*Link Corporation | System and method for third party monitoring of voice and video calls |
WO2018168227A1 (ja) * | 2017-03-16 | 2018-09-20 | パナソニックIpマネジメント株式会社 | 音響エコー抑圧装置及び音響エコー抑圧方法 |
US10027797B1 (en) | 2017-05-10 | 2018-07-17 | Global Tel*Link Corporation | Alarm control for inmate call monitoring |
US10225396B2 (en) | 2017-05-18 | 2019-03-05 | Global Tel*Link Corporation | Third party monitoring of a activity within a monitoring platform |
US10860786B2 (en) | 2017-06-01 | 2020-12-08 | Global Tel*Link Corporation | System and method for analyzing and investigating communication data from a controlled environment |
US9930088B1 (en) | 2017-06-22 | 2018-03-27 | Global Tel*Link Corporation | Utilizing VoIP codec negotiation during a controlled environment call |
MX2021001272A (es) | 2018-07-31 | 2021-07-15 | Microbion Corp | Composiciones de bismuto-tiol y metodos de uso. |
AU2019312592A1 (en) | 2018-07-31 | 2021-02-18 | Microbion Corporation | Bismuth-thiol compositions and methods for treating wounds |
KR102172608B1 (ko) * | 2019-05-02 | 2020-11-02 | 남서울대학교 산학협력단 | 동시통화에 강인한 심층학습 기반 음향반향 제거 장치 및 그 방법 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4712235A (en) * | 1984-11-19 | 1987-12-08 | International Business Machines Corporation | Method and apparatus for improved control and time sharing of an echo canceller |
US4629829A (en) * | 1984-12-14 | 1986-12-16 | Motorola, Inc. | Full duplex speakerphone for radio and landline telephones |
JPH0650829B2 (ja) * | 1986-09-16 | 1994-06-29 | 日本電気株式会社 | エコ−キヤンセラ方式モデム |
US4890315A (en) * | 1987-03-20 | 1989-12-26 | Orion Industries, Inc. | Cellular remote station with multiple coupled units |
GB2213686A (en) * | 1987-12-09 | 1989-08-16 | Racal Communications Equip | Radio telephone terminal unit |
US4912758A (en) * | 1988-10-26 | 1990-03-27 | International Business Machines Corporation | Full-duplex digital speakerphone |
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 |
US5206854A (en) * | 1991-09-24 | 1993-04-27 | At&T Bell Laboratories | Detecting loss of echo cancellation |
US5271057A (en) * | 1991-10-09 | 1993-12-14 | Bell Communications Research, Inc. | Audio processing system for teleconferencing system |
JP2792311B2 (ja) * | 1992-01-31 | 1998-09-03 | 日本電気株式会社 | 多チャンネルエコー除去方法および装置 |
US5307405A (en) * | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
US5546459A (en) * | 1993-11-01 | 1996-08-13 | Qualcomm Incorporated | Variable block size adaptation algorithm for noise-robust acoustic echo cancellation |
US5381475A (en) * | 1993-12-02 | 1995-01-10 | At&T Corp. | Arrangement for suppressing echoes in a digital portable telephone |
US5577097A (en) * | 1994-04-14 | 1996-11-19 | Northern Telecom Limited | Determining echo return loss in echo cancelling arrangements |
JP2550914B2 (ja) * | 1994-06-21 | 1996-11-06 | 日本電気株式会社 | 折りたたみ型携帯電話装置 |
US5812951A (en) * | 1994-11-23 | 1998-09-22 | Hughes Electronics Corporation | Wireless personal communication system |
US5553137A (en) * | 1994-12-05 | 1996-09-03 | Motorola, Inc. | Method and apparatus for echo canceling in a communication system |
SE516006C2 (sv) * | 1995-01-10 | 2001-11-05 | Ericsson Telefon Ab L M | Kommunikationssystem för ett företag/organisation |
US5852661A (en) * | 1995-02-17 | 1998-12-22 | Advanced Micro Devices, Inc. | Adaptive echo cancellation used with echo suppression to reduce short and long duration echoes |
JP2856113B2 (ja) * | 1995-07-10 | 1999-02-10 | 日本電気株式会社 | エコーキャンセラ |
US5649012A (en) * | 1995-09-15 | 1997-07-15 | Hughes Electronics | Method for synthesizing an echo path in an echo canceller |
-
1997
- 1997-03-19 US US08/820,934 patent/US5999828A/en not_active Expired - Lifetime
-
1998
- 1998-03-18 JP JP54078698A patent/JP2001516539A/ja active Pending
- 1998-03-18 ES ES98911808T patent/ES2267180T3/es not_active Expired - Lifetime
- 1998-03-18 BR BR9808372-4A patent/BR9808372A/pt not_active Application Discontinuation
- 1998-03-18 RU RU99122027/09A patent/RU2199180C2/ru not_active IP Right Cessation
- 1998-03-18 IL IL13176998A patent/IL131769A/en not_active IP Right Cessation
- 1998-03-18 CN CNB988035669A patent/CN1135729C/zh not_active Expired - Fee Related
- 1998-03-18 ID IDW991099A patent/ID24156A/id unknown
- 1998-03-18 CA CA002283707A patent/CA2283707A1/en not_active Abandoned
- 1998-03-18 DE DE69835347T patent/DE69835347T2/de not_active Expired - Lifetime
- 1998-03-18 EP EP98911808A patent/EP0968572B1/en not_active Expired - Lifetime
- 1998-03-18 WO PCT/US1998/005372 patent/WO1998042084A1/en active IP Right Grant
- 1998-03-18 AT AT98911808T patent/ATE334513T1/de not_active IP Right Cessation
- 1998-03-18 KR KR1019997008410A patent/KR20000076309A/ko not_active Application Discontinuation
- 1998-03-18 AU AU65678/98A patent/AU741749B2/en not_active Ceased
-
1999
- 1999-09-10 FI FI991937A patent/FI120568B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE334513T1 (de) | 2006-08-15 |
AU6567898A (en) | 1998-10-12 |
EP0968572A1 (en) | 2000-01-05 |
AU741749B2 (en) | 2001-12-06 |
DE69835347D1 (de) | 2006-09-07 |
CN1253677A (zh) | 2000-05-17 |
RU2199180C2 (ru) | 2003-02-20 |
KR20000076309A (ko) | 2000-12-26 |
DE69835347T2 (de) | 2007-07-26 |
BR9808372A (pt) | 2000-05-23 |
CN1135729C (zh) | 2004-01-21 |
CA2283707A1 (en) | 1998-09-24 |
ES2267180T3 (es) | 2007-03-01 |
FI19991937A (fi) | 1999-11-19 |
US5999828A (en) | 1999-12-07 |
EP0968572B1 (en) | 2006-07-26 |
IL131769A0 (en) | 2001-03-19 |
FI120568B (fi) | 2009-11-30 |
ID24156A (id) | 2000-07-13 |
WO1998042084A1 (en) | 1998-09-24 |
JP2001516539A (ja) | 2001-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |