CN1218506C - 采用状态判断来控制数字电话系统中的功能元件的方法和装置 - Google Patents

采用状态判断来控制数字电话系统中的功能元件的方法和装置 Download PDF

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Publication number
CN1218506C
CN1218506C CN988031248A CN98803124A CN1218506C CN 1218506 C CN1218506 C CN 1218506C CN 988031248 A CN988031248 A CN 988031248A CN 98803124 A CN98803124 A CN 98803124A CN 1218506 C CN1218506 C CN 1218506C
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information signal
status information
noise
vocoder
echo canceller
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Expired - Lifetime
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CN988031248A
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Chinese (zh)
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CN1249869A (zh
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吉尔伯特·C·斯
安东尼·P·莫罗
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Qualcomm Inc
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Qualcomm Inc
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    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Facsimile Transmission Control (AREA)
  • Exchange Systems With Centralized Control (AREA)
CN988031248A 1997-01-31 1998-01-27 采用状态判断来控制数字电话系统中的功能元件的方法和装置 Expired - Lifetime CN1218506C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/834,397 US5920834A (en) 1997-01-31 1997-01-31 Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system
US834,397 1997-01-31

Publications (2)

Publication Number Publication Date
CN1249869A CN1249869A (zh) 2000-04-05
CN1218506C true CN1218506C (zh) 2005-09-07

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CN988031248A Expired - Lifetime CN1218506C (zh) 1997-01-31 1998-01-27 采用状态判断来控制数字电话系统中的功能元件的方法和装置

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US (1) US5920834A (enExample)
EP (1) EP0956658B1 (enExample)
JP (1) JP4522497B2 (enExample)
KR (1) KR20000070686A (enExample)
CN (1) CN1218506C (enExample)
AT (1) ATE389977T1 (enExample)
AU (1) AU5962498A (enExample)
CA (1) CA2278928A1 (enExample)
DE (1) DE69839260T2 (enExample)
TW (1) TW370747B (enExample)
WO (1) WO1998034354A1 (enExample)
ZA (1) ZA98761B (enExample)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3556419B2 (ja) * 1996-12-09 2004-08-18 株式会社東芝 携帯無線電話機
US6104993A (en) * 1997-02-26 2000-08-15 Motorola, Inc. Apparatus and method for rate determination in a communication system
US6075814A (en) * 1997-05-09 2000-06-13 Broadcom Homenetworking, Inc. Method and apparatus for reducing signal processing requirements for transmitting packet-based data with a modem
US7366670B1 (en) * 1997-08-05 2008-04-29 At&T Corp. Method and system for aligning natural and synthetic video to speech synthesis
US6567779B1 (en) * 1997-08-05 2003-05-20 At&T Corp. Method and system for aligning natural and synthetic video to speech synthesis
US6122384A (en) * 1997-09-02 2000-09-19 Qualcomm Inc. Noise suppression system and method
JP3710606B2 (ja) * 1997-09-04 2005-10-26 松下電器産業株式会社 エコーキャンセラ
GB2330745B (en) * 1997-10-24 2002-08-21 Mitel Corp Nonlinear processor for acoustic echo canceller
KR100240626B1 (ko) * 1997-11-25 2000-01-15 정선종 디지털 이동 통신 시스템에서의 반향 제거 방법 및 장치
US6563803B1 (en) * 1997-11-26 2003-05-13 Qualcomm Incorporated Acoustic echo canceller
US6269093B1 (en) * 1997-12-16 2001-07-31 Nokia Mobile Phones Limited Adaptive removal of disturbance in TDMA acoustic peripheral devices
US6570985B1 (en) * 1998-01-09 2003-05-27 Ericsson Inc. Echo canceler adaptive filter optimization
US7010129B1 (en) * 1998-05-06 2006-03-07 Volkswagen Ag Method and device for operating voice-controlled systems in motor vehicles
US6272460B1 (en) * 1998-09-10 2001-08-07 Sony Corporation Method for implementing a speech verification system for use in a noisy environment
US6556965B1 (en) * 1999-03-24 2003-04-29 Legerity, Inc. Wired and cordless telephone systems with extended frequency range
US6493664B1 (en) * 1999-04-05 2002-12-10 Hughes Electronics Corporation Spectral magnitude modeling and quantization in a frequency domain interpolative speech codec system
US6691092B1 (en) * 1999-04-05 2004-02-10 Hughes Electronics Corporation Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system
US6765931B1 (en) * 1999-04-13 2004-07-20 Broadcom Corporation Gateway with voice
US7933295B2 (en) * 1999-04-13 2011-04-26 Broadcom Corporation Cable modem with voice processing capability
US6912209B1 (en) * 1999-04-13 2005-06-28 Broadcom Corporation Voice gateway with echo cancellation
US6665645B1 (en) * 1999-07-28 2003-12-16 Matsushita Electric Industrial Co., Ltd. Speech recognition apparatus for AV equipment
DE19935808A1 (de) * 1999-07-29 2001-02-08 Ericsson Telefon Ab L M Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit
EP1125275B1 (en) * 1999-08-10 2011-02-09 Telogy Networks Inc. Background energy estimation
US6782046B1 (en) * 1999-10-21 2004-08-24 Texas Instruments Incorporated Decision-directed adaptation for coded modulation
US6522746B1 (en) * 1999-11-03 2003-02-18 Tellabs Operations, Inc. Synchronization of voice boundaries and their use by echo cancellers in a voice processing system
US6473733B1 (en) * 1999-12-01 2002-10-29 Research In Motion Limited Signal enhancement for voice coding
KR100336513B1 (ko) * 1999-12-07 2002-05-11 서평원 무선가입자망의 보코더를 이용한 톤 신호 전송장치
US7920697B2 (en) * 1999-12-09 2011-04-05 Broadcom Corp. Interaction between echo canceller and packet voice processing
US7263074B2 (en) * 1999-12-09 2007-08-28 Broadcom Corporation Voice activity detection based on far-end and near-end statistics
EP1238489B1 (en) * 1999-12-13 2008-03-05 Broadcom Corporation Voice gateway with downstream voice synchronization
JP2001175298A (ja) * 1999-12-13 2001-06-29 Fujitsu Ltd 騒音抑圧装置
US6650627B1 (en) * 1999-12-16 2003-11-18 Avaya Technology Corp. Tone detection in communication networks
JP3929686B2 (ja) * 2000-08-14 2007-06-13 松下電器産業株式会社 音声スイッチング装置およびその方法
US6507653B1 (en) * 2000-04-14 2003-01-14 Ericsson Inc. Desired voice detection in echo suppression
JP4580508B2 (ja) * 2000-05-31 2010-11-17 株式会社東芝 信号処理装置及び通信装置
US6785339B1 (en) * 2000-10-31 2004-08-31 Motorola, Inc. Method and apparatus for providing speech quality based packet enhancement in packet switched networks
KR200226168Y1 (ko) * 2000-12-28 2001-06-01 엘지전자주식회사 이퀄라이저 기능을 구비한 휴대 통신 장치
KR100494564B1 (ko) * 2000-12-28 2005-06-10 엘지전자 주식회사 보코더 가변 정보율을 이용한 반향 제거 장치 및 방법
CN1279710C (zh) * 2001-01-31 2006-10-11 三菱电机株式会社 多路复用传输装置
US20020147585A1 (en) * 2001-04-06 2002-10-10 Poulsen Steven P. Voice activity detection
JP3568922B2 (ja) * 2001-09-20 2004-09-22 三菱電機株式会社 エコー処理装置
EP1301018A1 (en) * 2001-10-02 2003-04-09 Alcatel Apparatus and method for modifying a digital signal in the coded domain
US6895086B2 (en) 2001-11-13 2005-05-17 Inmate Telephone, Inc. 3-Way call detection system and method
KR100492819B1 (ko) * 2002-04-17 2005-05-31 주식회사 아이티매직 소음 제거 방법 및 그 시스템
US7242762B2 (en) 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
US7215765B2 (en) 2002-06-24 2007-05-08 Freescale Semiconductor, Inc. Method and apparatus for pure delay estimation in a communication system
US7388954B2 (en) 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
US7016488B2 (en) * 2002-06-24 2006-03-21 Freescale Semiconductor, Inc. Method and apparatus for non-linear processing of an audio signal
ATE352953T1 (de) 2002-08-28 2007-02-15 Freescale Semiconductor Inc Verfahren und vorrichtung zur detektierung von tonsignalen
KR20040044217A (ko) * 2002-11-19 2004-05-28 주식회사 인티스 디지털 통신의 음성 품질 향상 장치 및 방법
US7359504B1 (en) 2002-12-03 2008-04-15 Plantronics, Inc. Method and apparatus for reducing echo and noise
US20060160581A1 (en) * 2002-12-20 2006-07-20 Christopher Beaugeant Echo suppression for compressed speech with only partial transcoding of the uplink user data stream
US7333447B2 (en) 2002-12-23 2008-02-19 Broadcom Corporation Packet voice system with far-end echo cancellation
EP1434416B1 (en) * 2002-12-23 2012-07-11 Broadcom Corporation Packet voice system with far-end echo cancellation
US7895036B2 (en) * 2003-02-21 2011-02-22 Qnx Software Systems Co. System for suppressing wind noise
US7725315B2 (en) * 2003-02-21 2010-05-25 Qnx Software Systems (Wavemakers), Inc. Minimization of transient noises in a voice signal
US8326621B2 (en) 2003-02-21 2012-12-04 Qnx Software Systems Limited Repetitive transient noise removal
US7949522B2 (en) 2003-02-21 2011-05-24 Qnx Software Systems Co. System for suppressing rain noise
US7885420B2 (en) * 2003-02-21 2011-02-08 Qnx Software Systems Co. Wind noise suppression system
US8271279B2 (en) 2003-02-21 2012-09-18 Qnx Software Systems Limited Signature noise removal
US8073689B2 (en) * 2003-02-21 2011-12-06 Qnx Software Systems Co. Repetitive transient noise removal
JP3963850B2 (ja) * 2003-03-11 2007-08-22 富士通株式会社 音声区間検出装置
US7383175B2 (en) * 2003-03-25 2008-06-03 Motorola, Inc. Pitch adaptive equalization for improved audio
CN100384194C (zh) * 2003-06-24 2008-04-23 陈伟 自适应抗噪全数字指令扩音电话机
AU2004303075B2 (en) * 2003-08-05 2009-06-25 Dsi-Iti, Llc Three-way call detection using steganography
CN1310448C (zh) * 2003-09-10 2007-04-11 中兴通讯股份有限公司 一种时分多路复用设备的静噪方法
US20050114118A1 (en) * 2003-11-24 2005-05-26 Jeff Peck Method and apparatus to reduce latency in an automated speech recognition system
US7643630B2 (en) * 2004-06-25 2010-01-05 Texas Instruments Incorporated Echo suppression with increment/decrement, quick, and time-delay counter updating
US7139701B2 (en) * 2004-06-30 2006-11-21 Motorola, Inc. Method for detecting and attenuating inhalation noise in a communication system
US7688968B1 (en) * 2004-09-16 2010-03-30 Marvell International Ltd. Adaptive analog echo/next cancellation
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
KR100733713B1 (ko) * 2005-08-17 2007-06-28 엘지전자 주식회사 적은 연산량을 필요로 하는 다자간 통화 시스템 및 그 방법
CN100524467C (zh) * 2006-07-17 2009-08-05 深圳市迪威新软件技术有限公司 会议电视系统的回声处理方法
US7773759B2 (en) * 2006-08-10 2010-08-10 Cambridge Silicon Radio, Ltd. Dual microphone noise reduction for headset application
JP4678349B2 (ja) * 2006-08-31 2011-04-27 ヤマハ株式会社 通話判定装置
ATE403928T1 (de) * 2006-12-14 2008-08-15 Harman Becker Automotive Sys Sprachdialogkontrolle basierend auf signalvorverarbeitung
US20080147394A1 (en) * 2006-12-18 2008-06-19 International Business Machines Corporation System and method for improving an interactive experience with a speech-enabled system through the use of artificially generated white noise
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
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
US8498407B2 (en) * 2008-12-02 2013-07-30 Qualcomm Incorporated Systems and methods for double-talk detection in acoustically harsh environments
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
US9319874B2 (en) * 2009-11-25 2016-04-19 Wi-Lan Inc. Automatic channel pass-through
TWI406553B (zh) * 2009-12-04 2013-08-21 Htc Corp 基於環境噪音感測的通訊品質的改善方法及電子裝置
CN102088521A (zh) * 2009-12-07 2011-06-08 宏达国际电子股份有限公司 基于环境噪音感测的通讯质量的改善方法及电子装置
CN102131014A (zh) * 2010-01-13 2011-07-20 歌尔声学股份有限公司 时频域联合回声消除装置及方法
FR2956539B1 (fr) * 2010-02-16 2012-03-16 Dominique Retali Procede de detection du fonctionnement d'un dispositif de transmission sans fil de signaux de voix.
TWI459828B (zh) * 2010-03-08 2014-11-01 Dolby Lab Licensing Corp 在多頻道音訊中決定語音相關頻道的音量降低比例的方法及系統
US8320974B2 (en) 2010-09-02 2012-11-27 Apple Inc. Decisions on ambient noise suppression in a mobile communications handset device
JP5219000B2 (ja) * 2010-12-07 2013-06-26 Ｎｅｃアクセステクニカ株式会社 エコーキャンセラ及びエコーキャンセラの制御方法
TWI448108B (zh) * 2011-03-16 2014-08-01 Ind Tech Res Inst 視訊會議系統及方法
JP5883751B2 (ja) * 2011-09-22 2016-03-15 パナソニックＩｐマネジメント株式会社 入出力装置及び通話端末
US9484043B1 (en) * 2014-03-05 2016-11-01 QoSound, Inc. Noise suppressor
US9767784B2 (en) * 2014-07-09 2017-09-19 2236008 Ontario Inc. System and method for acoustic management
US9392365B1 (en) * 2014-08-25 2016-07-12 Amazon Technologies, Inc. Psychoacoustic hearing and masking thresholds-based noise compensator system
WO2017053493A1 (en) 2015-09-25 2017-03-30 Microsemi Semiconductor (U.S.) Inc. Comfort noise generation apparatus and method
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
US10122863B2 (en) 2016-09-13 2018-11-06 Microsemi Semiconductor (U.S.) Inc. Full duplex voice communication system and method
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
CN112733381B (zh) * 2021-01-21 2021-10-08 上海索辰信息科技股份有限公司 一种基于物理机制的噪声模拟方法
WO2023056609A1 (zh) * 2021-10-08 2023-04-13 深圳市昊一源科技有限公司 接口转换装置、通话系统、回声对消方法和装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0541679A (ja) * 1991-08-05 1993-02-19 Oki Electric Ind Co Ltd モデム用エコーキヤンセラのバルクデイレイ測定法
JPH0523640U (ja) * 1991-09-10 1993-03-26 三菱電機株式会社 エコーキヤンセラー
US5307405A (en) * 1992-09-25 1994-04-26 Qualcomm Incorporated Network echo canceller
JPH06338829A (ja) * 1993-05-28 1994-12-06 American Teleph & Telegr Co <Att> 通信システム内の反響除去方法と装置
JPH07303073A (ja) * 1994-05-06 1995-11-14 N T T Idou Tsuushinmou Kk ノイズ低減回路およびこの回路を用いたエコーキャンセラ
JP3335764B2 (ja) * 1994-06-20 2002-10-21 株式会社東芝 音声通信システム
DE4426226A1 (de) * 1994-07-23 1996-01-25 Philips Patentverwaltung Schaltungsanordnung zum Übertragen von codierten Sprachsignalen
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
FI110826B (fi) * 1995-06-08 2003-03-31 Nokia Corp Akustisen kaiun poisto digitaalisessa matkaviestinjärjestelmässä

Also Published As

Publication number Publication date
DE69839260T2 (de) 2009-04-16
KR20000070686A (ko) 2000-11-25
EP0956658B1 (en) 2008-03-19
ZA98761B (en) 1998-08-17
ATE389977T1 (de) 2008-04-15
CA2278928A1 (en) 1998-08-06
JP4522497B2 (ja) 2010-08-11
JP2001510655A (ja) 2001-07-31
AU5962498A (en) 1998-08-25
DE69839260D1 (de) 2008-04-30
EP0956658A1 (en) 1999-11-17
CN1249869A (zh) 2000-04-05
US5920834A (en) 1999-07-06
TW370747B (en) 1999-09-21
WO1998034354A1 (en) 1998-08-06
HK1025196A1 (en) 2000-11-03

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Granted publication date: 20050907