FI991645A - Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat - Google Patents
Förfarande och anordning för realisering av högtalartelefunktionen hos en telekommunikationsapparat Download PDFInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
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) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP1599948B1 (de) * | 2002-07-02 | 2006-05-31 | Siemens Aktiengesellschaft | Laufzeitabhängige Abschaltung der Echokompensation in einem Paketnetz |
KR100736246B1 (ko) | 2002-07-26 | 2007-07-06 | 모토로라 인코포레이티드 | 통신 디바이스에서 스피커폰 동작을 위한 시스템 및 그 방법 |
AU2003256724A1 (en) * | 2002-07-26 | 2004-02-16 | 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 |
US7123714B2 (en) * | 2004-08-25 | 2006-10-17 | Motorola, Inc. | Speakerphone having improved outbound audio quality |
KR100884425B1 (ko) | 2004-08-25 | 2009-02-19 | 모토로라 인코포레이티드 | 외부 오디오 품질이 개선된 스피커폰을 제공하는 방법 및 전화 |
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 |
DE602006002592D1 (de) * | 2006-03-20 | 2008-10-16 | Research In Motion Ltd | System und Verfahren zum adaptiven Umschalten des Betriebsmodus eines Mobilgeräts |
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 |
EP2118885B1 (en) | 2007-02-26 | 2012-07-11 | Dolby Laboratories Licensing Corporation | Speech enhancement in entertainment audio |
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 |
US8837713B2 (en) * | 2010-10-27 | 2014-09-16 | 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)
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 |
EP0235127B2 (en) * | 1985-09-03 | 1993-05-05 | 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 |
-
1998
- 1998-07-31 US US09/127,348 patent/US6223154B1/en not_active Expired - Lifetime
-
1999
- 1999-07-21 GB GB9916951A patent/GB2342011B/en not_active Expired - Fee Related
- 1999-07-22 FR FR9909515A patent/FR2781970B1/fr not_active Expired - Fee Related
- 1999-07-23 FI FI991645A patent/FI117496B/sv not_active IP Right Cessation
- 1999-07-27 BR BRPI9902991-0A patent/BRPI9902991B1/pt not_active IP Right Cessation
- 1999-07-29 JP JP11215155A patent/JP2000059496A/ja active Pending
- 1999-07-30 CN CN99111903A patent/CN1128512C/zh not_active Expired - Fee Related
-
2000
- 2000-07-18 HK HK00104388A patent/HK1025444A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1266312A (zh) | 2000-09-13 |
FR2781970A1 (fr) | 2000-02-04 |
BRPI9902991B1 (pt) | 2015-07-21 |
GB2342011A8 (en) | 2001-04-05 |
HK1025444A1 (en) | 2000-11-10 |
GB2342011A (en) | 2000-03-29 |
JP2000059496A (ja) | 2000-02-25 |
US6223154B1 (en) | 2001-04-24 |
GB9916951D0 (en) | 1999-09-22 |
FR2781970B1 (fr) | 2001-08-17 |
BR9902991A (pt) | 2000-08-01 |
CN1128512C (zh) | 2003-11-19 |
FI117496B (sv) | 2006-10-31 |
GB2342011B (en) | 2000-12-13 |
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Legal Events
Date | Code | Title | Description |
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FG | Patent granted |
Ref document number: 117496 Country of ref document: FI |
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PC | Transfer of assignment of patent |
Owner name: MOTOROLA MOBILITY, INC. Free format text: MOTOROLA MOBILITY, INC. |
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PC | Transfer of assignment of patent |
Owner name: GOOGLE TECHNOLOGY HOLDINGS LLC |
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MM | Patent lapsed |