JP2004525540A5 - - Google Patents

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Publication number
JP2004525540A5
JP2004525540A5 JP2002544707A JP2002544707A JP2004525540A5 JP 2004525540 A5 JP2004525540 A5 JP 2004525540A5 JP 2002544707 A JP2002544707 A JP 2002544707A JP 2002544707 A JP2002544707 A JP 2002544707A JP 2004525540 A5 JP2004525540 A5 JP 2004525540A5
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JP
Japan
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JP2002544707A
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JP3996848B2 (ja
JP2004525540A (ja
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Priority claimed from PCT/IB2001/002235 external-priority patent/WO2002043048A2/en
Publication of JP2004525540A publication Critical patent/JP2004525540A/ja
Publication of JP2004525540A5 publication Critical patent/JP2004525540A5/ja
Application granted granted Critical
Publication of JP3996848B2 publication Critical patent/JP3996848B2/ja
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Expired - Lifetime legal-status Critical Current

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JP2002544707A 2000-11-27 2001-11-26 音声通信中に快適ノイズを発生するための方法およびシステム Expired - Lifetime JP3996848B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25317000P 2000-11-27 2000-11-27
PCT/IB2001/002235 WO2002043048A2 (en) 2000-11-27 2001-11-26 Method and system for comfort noise generation in speech communication

Publications (3)

Publication Number Publication Date
JP2004525540A JP2004525540A (ja) 2004-08-19
JP2004525540A5 true JP2004525540A5 (ja) 2006-01-05
JP3996848B2 JP3996848B2 (ja) 2007-10-24

Family

ID=22959162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002544707A Expired - Lifetime JP3996848B2 (ja) 2000-11-27 2001-11-26 音声通信中に快適ノイズを発生するための方法およびシステム

Country Status (13)

Country Link
US (1) US6662155B2 (ja)
EP (1) EP1337999B1 (ja)
JP (1) JP3996848B2 (ja)
KR (1) KR20040005860A (ja)
CN (1) CN1265353C (ja)
AT (1) ATE336059T1 (ja)
AU (1) AU2002218428A1 (ja)
BR (1) BR0115601A (ja)
CA (1) CA2428888C (ja)
DE (1) DE60122203T2 (ja)
ES (1) ES2269518T3 (ja)
WO (1) WO2002043048A2 (ja)
ZA (1) ZA200303829B (ja)

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JP3451998B2 (ja) * 1999-05-31 2003-09-29 日本電気株式会社 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体
JP2001242896A (ja) * 2000-02-29 2001-09-07 Matsushita Electric Ind Co Ltd 音声符号化／復号装置およびその方法
US7012901B2 (en) * 2001-02-28 2006-03-14 Cisco Systems, Inc. Devices, software and methods for generating aggregate comfort noise in teleconferencing over VoIP networks
US7031916B2 (en) * 2001-06-01 2006-04-18 Texas Instruments Incorporated Method for converging a G.729 Annex B compliant voice activity detection circuit
JP4063508B2 (ja) * 2001-07-04 2008-03-19 日本電気株式会社 ビットレート変換装置およびビットレート変換方法
CN100466671C (zh) * 2004-05-14 2009-03-04 华为技术有限公司 语音切换方法及其装置
JP4381291B2 (ja) * 2004-12-08 2009-12-09 アルパイン株式会社 車載用オーディオ装置
DE102004063290A1 (de) * 2004-12-29 2006-07-13 Siemens Ag Verfahren zur Anpassung von Comfort Noise Generation Parametern
US20070038443A1 (en) * 2005-08-15 2007-02-15 Broadcom Corporation User-selectable music-on-hold for a communications device
US20070136055A1 (en) * 2005-12-13 2007-06-14 Hetherington Phillip A System for data communication over voice band robust to noise
US7573907B2 (en) * 2006-08-22 2009-08-11 Nokia Corporation Discontinuous transmission of speech signals
US20080059161A1 (en) * 2006-09-06 2008-03-06 Microsoft Corporation Adaptive Comfort Noise Generation
KR100834679B1 (ko) 2006-10-31 2008-06-02 삼성전자주식회사 음성 인식 오류 통보 장치 및 방법
RU2469419C2 (ru) * 2007-03-05 2012-12-10 Телефонактиеболагет Лм Эрикссон (Пабл) Способ и устройство для управления сглаживанием стационарного фонового шума
CN101303855B (zh) * 2007-05-11 2011-06-22 华为技术有限公司 一种舒适噪声参数产生方法和装置
US20090043577A1 (en) * 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
US9495971B2 (en) * 2007-08-27 2016-11-15 Telefonaktiebolaget Lm Ericsson (Publ) Transient detector and method for supporting encoding of an audio signal
CN101335003B (zh) * 2007-09-28 2010-07-07 华为技术有限公司 噪声生成装置、及方法
CN101651752B (zh) * 2008-03-26 2012-11-21 华为技术有限公司 解码的方法及装置
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
US8577677B2 (en) * 2008-07-21 2013-11-05 Samsung Electronics Co., Ltd. Sound source separation method and system using beamforming technique
US9253568B2 (en) * 2008-07-25 2016-02-02 Broadcom Corporation Single-microphone wind noise suppression
CN102044246B (zh) * 2009-10-15 2012-05-23 华为技术有限公司 一种音频信号检测方法和装置
CN102044241B (zh) * 2009-10-15 2012-04-04 华为技术有限公司 一种实现通信系统中背景噪声的跟踪的方法和装置
JP5482998B2 (ja) * 2009-10-19 2014-05-07 日本電気株式会社 音声復号化切替えシステムおよび音声復号化切替え方法
US10218327B2 (en) * 2011-01-10 2019-02-26 Zhinian Jing Dynamic enhancement of audio (DAE) in headset systems
DE102011076484A1 (de) * 2011-05-25 2012-11-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Tonwiedergabevorrichtung mit hörszenariosimulation
CN103093756B (zh) * 2011-11-01 2015-08-12 联芯科技有限公司 舒适噪声生成方法及舒适噪声生成器
CN103137133B (zh) 2011-11-29 2017-06-06 南京中兴软件有限责任公司 非激活音信号参数估计方法及舒适噪声产生方法及系统
US20140278380A1 (en) * 2013-03-14 2014-09-18 Dolby Laboratories Licensing Corporation Spectral and Spatial Modification of Noise Captured During Teleconferencing
EP3217398B1 (en) * 2013-04-05 2019-08-14 Dolby International AB Advanced quantizer
CN106169297B (zh) * 2013-05-30 2019-04-19 华为技术有限公司 信号编码方法及设备
EP2980790A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for comfort noise generation mode selection
US9978392B2 (en) * 2016-09-09 2018-05-22 Tata Consultancy Services Limited Noisy signal identification from non-stationary audio signals
US10325588B2 (en) * 2017-09-28 2019-06-18 International Business Machines Corporation Acoustic feature extractor selected according to status flag of frame of acoustic signal

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SE501981C2 (sv) * 1993-11-02 1995-07-03 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
FI100932B (fi) * 1995-04-12 1998-03-13 Nokia Telecommunications Oy Äänitaajuussignaalien lähetys radiopuhelinjärjestelmässä
FR2739995B1 (fr) * 1995-10-13 1997-12-12 Massaloux Dominique Procede et dispositif de creation d'un bruit de confort dans un systeme de transmission numerique de parole
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
US5991718A (en) * 1998-02-27 1999-11-23 At&T Corp. System and method for noise threshold adaptation for voice activity detection in nonstationary noise environments
WO2000011649A1 (en) 1998-08-24 2000-03-02 Conexant Systems, Inc. Speech encoder using a classifier for smoothing noise coding
US6823303B1 (en) 1998-08-24 2004-11-23 Conexant Systems, Inc. Speech encoder using voice activity detection in coding noise
FI105635B (fi) 1998-09-01 2000-09-15 Nokia Mobile Phones Ltd Menetelmä taustakohinainformaation lähettämiseksi tietokehysmuotoisessa tiedonsiirrossa
US7124079B1 (en) 1998-11-23 2006-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Speech coding with comfort noise variability feature for increased fidelity

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