FI991645A - Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat - Google Patents

Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat Download PDF

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Publication number
FI991645A
FI991645A FI991645A FI991645A FI991645A FI 991645 A FI991645 A FI 991645A FI 991645 A FI991645 A FI 991645A FI 991645 A FI991645 A FI 991645A FI 991645 A FI991645 A FI 991645A
Authority
FI
Finland
Prior art keywords
implementing
communication device
portable communication
speakerphone function
speakerphone
Prior art date
Application number
FI991645A
Other languages
English (en)
Finnish (fi)
Other versions
FI117496B (sv
Inventor
Richard Brent Nicholls
Chin Pan Wong
Martin Thuo Karanja
Patrick Joseph Doran
Original Assignee
Motorola Inc
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.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of FI991645A publication Critical patent/FI991645A/sv
Application granted granted Critical
Publication of FI117496B publication Critical patent/FI117496B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/605—Portable telephones adapted for handsfree use involving control of the receiver volume to provide a dual operational mode at close or far distance from the user
FI991645A 1998-07-31 1999-07-23 Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat FI117496B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12734898 1998-07-31
US09/127,348 US6223154B1 (en) 1998-07-31 1998-07-31 Using vocoded parameters in a staggered average to provide speakerphone operation based on enhanced speech activity thresholds

Publications (2)

Publication Number Publication Date
FI991645A true FI991645A (sv) 2000-02-01
FI117496B FI117496B (sv) 2006-10-31

Family

ID=22429656

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991645A FI117496B (sv) 1998-07-31 1999-07-23 Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat

Country Status (8)

Country Link
US (1) US6223154B1 (sv)
JP (1) JP2000059496A (sv)
CN (1) CN1128512C (sv)
BR (1) BRPI9902991B1 (sv)
FI (1) FI117496B (sv)
FR (1) FR2781970B1 (sv)
GB (1) GB2342011B (sv)
HK (1) HK1025444A1 (sv)

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US5867574A (en) * 1997-05-19 1999-02-02 Lucent Technologies Inc. Voice activity detection system and method
US6345187B1 (en) * 1999-05-24 2002-02-05 Agere Systems Guardian Corp. Receipt of type II caller identification in multi-cordless environment
KR100310342B1 (ko) * 1999-07-21 2001-11-01 윤종용 휴대폰에서 스피커폰 모드시 송/수신 음성신호의 스위칭방법
US7263074B2 (en) * 1999-12-09 2007-08-28 Broadcom Corporation Voice activity detection based on far-end and near-end statistics
US7062302B2 (en) * 2000-05-12 2006-06-13 Denso Corporation Mobile terminal having power saving function variable with microphone usage conditions
US6741873B1 (en) * 2000-07-05 2004-05-25 Motorola, Inc. Background noise adaptable speaker phone for use in a mobile communication device
US6662027B2 (en) * 2001-03-16 2003-12-09 Motorola, Inc. Method of arbitrating speakerphone operation in a portable communication device for eliminating false arbitration due to echo
US6961324B2 (en) * 2001-05-02 2005-11-01 Ipr Licensing, Inc. System and method for interleaving compressed audio/video (A/V) data frames
US7161905B1 (en) * 2001-05-03 2007-01-09 Cisco Technology, Inc. Method and system for managing time-sensitive packetized data streams at a receiver
US7031916B2 (en) * 2001-06-01 2006-04-18 Texas Instruments Incorporated Method for converging a G.729 Annex B compliant voice activity detection circuit
US20030100350A1 (en) * 2001-11-27 2003-05-29 Kevin Dotzler Speakerphone mute indicator
AU2003250747A1 (en) * 2002-07-02 2004-01-23 Siemens Aktiengesellschaft Runtime-dependent switching off of the echo compensation in packet networks
CN1692618A (zh) 2002-07-26 2005-11-02 摩托罗拉公司 用于通信装置中免提电话操作的系统和方法
US7246059B2 (en) * 2002-07-26 2007-07-17 Motorola, Inc. Method for fast dynamic estimation of background noise
KR100652645B1 (ko) 2004-07-23 2006-12-06 엘지전자 주식회사 푸시 투 토크형 이동 통신 단말기의 음성 검출 및 인식을이용한 발언권 관리 장치와 방법
KR100884425B1 (ko) 2004-08-25 2009-02-19 모토로라 인코포레이티드 외부 오디오 품질이 개선된 스피커폰을 제공하는 방법 및 전화
US7123714B2 (en) * 2004-08-25 2006-10-17 Motorola, Inc. Speakerphone having improved outbound audio quality
US20060104460A1 (en) * 2004-11-18 2006-05-18 Motorola, Inc. Adaptive time-based noise suppression
JP4650163B2 (ja) * 2005-08-25 2011-03-16 パナソニック電工株式会社 拡声通話装置
EP1964295A2 (en) * 2005-09-19 2008-09-03 Nxp B.V. Method of synchronizing the playback of an audio broadcast on a plurality of network output devices
EP1838075B1 (en) * 2006-03-20 2008-09-03 Research In Motion Limited System and methods for adaptively switching a mobile device's mode of operation
US8290543B2 (en) 2006-03-20 2012-10-16 Research In Motion Limited System and methods for adaptively switching a mobile device's mode of operation
CN100573663C (zh) * 2006-04-20 2009-12-23 南京大学 基于语音特征判别的静音检测方法
US20080037451A1 (en) * 2006-07-28 2008-02-14 Motorola, Inc. Neutralization of acoustic echo cancellation in presence of signal clipping
JP5530720B2 (ja) 2007-02-26 2014-06-25 ドルビー ラボラトリーズ ライセンシング コーポレイション エンターテイメントオーディオにおける音声強調方法、装置、およびコンピュータ読取り可能な記録媒体
CN101287274B (zh) * 2007-04-11 2012-07-04 深圳市维信联合科技有限公司 移动通信语音加密系统及其加密方法
US20090043577A1 (en) * 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
GB2466454B (en) * 2008-12-18 2011-04-13 Motorola Inc Method and system for reducing howling in a half-duplex communication system
WO2012057753A1 (en) * 2010-10-27 2012-05-03 Hewlett-Packard Development Company, L.P. Systems, methods, and apparatus for enabling audio transmission within a communications session
JP6211256B2 (ja) * 2012-09-26 2017-10-11 株式会社ナビタイムジャパン 情報処理装置、情報処理方法、および情報処理プログラム
CN102904538B (zh) * 2012-10-10 2015-02-04 华平信息技术股份有限公司 音频模拟信号的agc增益参数调整方法
CN106713685A (zh) * 2016-11-25 2017-05-24 东莞市嘉松电子科技有限公司 免提通信控制方法
CN112243182B (zh) * 2019-07-17 2022-03-04 北京声智科技有限公司 拾音电路、方法及装置
CN113555024B (zh) * 2021-07-30 2024-02-27 北京达佳互联信息技术有限公司 实时通信音频处理方法、装置、电子设备和存储介质

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US4005276A (en) * 1975-03-20 1977-01-25 International Business Machines Corporation Digital voice signaling with digital echo detection and voice activity compression used to cancel echo
CA1181541A (en) * 1982-05-21 1985-01-22 Mitel Corporation Loudspeaking telephone
US4696040A (en) * 1983-10-13 1987-09-22 Texas Instruments Incorporated Speech analysis/synthesis system with energy normalization and silence suppression
CA1233925A (en) * 1985-05-10 1988-03-08 Gordon J. Reesor Digital loudspeaking telephone
US4737976A (en) * 1985-09-03 1988-04-12 Motorola, Inc. Hands-free control system for a radiotelephone
US4843621A (en) * 1987-04-24 1989-06-27 Motorola, Inc. Speakerphone using digitally compressed audio to detect acoustic feedback
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
GB2281680B (en) * 1993-08-27 1998-08-26 Motorola Inc A voice activity detector for an echo suppressor and an echo suppressor
US5598466A (en) * 1995-08-28 1997-01-28 Intel Corporation Voice activity detector for half-duplex audio communication system
US5867574A (en) * 1997-05-19 1999-02-02 Lucent Technologies Inc. Voice activity detection system and method

Also Published As

Publication number Publication date
CN1266312A (zh) 2000-09-13
BRPI9902991B1 (pt) 2015-07-21
CN1128512C (zh) 2003-11-19
FI117496B (sv) 2006-10-31
BR9902991A (pt) 2000-08-01
GB2342011B (en) 2000-12-13
GB2342011A8 (en) 2001-04-05
GB2342011A (en) 2000-03-29
FR2781970B1 (fr) 2001-08-17
US6223154B1 (en) 2001-04-24
HK1025444A1 (en) 2000-11-10
GB9916951D0 (en) 1999-09-22
FR2781970A1 (fr) 2000-02-04
JP2000059496A (ja) 2000-02-25

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