DE60239396D1 - Tonqualitätsverbesserung vor rechnertelefoniesysteme - Google Patents

Tonqualitätsverbesserung vor rechnertelefoniesysteme

Info

Publication number
DE60239396D1
DE60239396D1 DE60239396T DE60239396T DE60239396D1 DE 60239396 D1 DE60239396 D1 DE 60239396D1 DE 60239396 T DE60239396 T DE 60239396T DE 60239396 T DE60239396 T DE 60239396T DE 60239396 D1 DE60239396 D1 DE 60239396D1
Authority
DE
Germany
Prior art keywords
quality improvement
tone quality
phone systems
improvement before
certified
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60239396T
Other languages
English (en)
Inventor
George E Carter
Bianka Skubnik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Communications Inc
Original Assignee
Siemens Communications 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 Siemens Communications Inc filed Critical Siemens Communications Inc
Application granted granted Critical
Publication of DE60239396D1 publication Critical patent/DE60239396D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/40Applications of speech amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
DE60239396T 2001-05-07 2002-04-16 Tonqualitätsverbesserung vor rechnertelefoniesysteme Expired - Lifetime DE60239396D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/850,040 US7289626B2 (en) 2001-05-07 2001-05-07 Enhancement of sound quality for computer telephony systems
PCT/US2002/012043 WO2002091725A2 (en) 2001-05-07 2002-04-16 Enhancement of sound quality for computer telephony systems

Publications (1)

Publication Number Publication Date
DE60239396D1 true DE60239396D1 (de) 2011-04-21

Family

ID=25307115

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60239396T Expired - Lifetime DE60239396D1 (de) 2001-05-07 2002-04-16 Tonqualitätsverbesserung vor rechnertelefoniesysteme

Country Status (6)

Country Link
US (1) US7289626B2 (de)
EP (1) EP1386475B1 (de)
CN (1) CN100531258C (de)
CA (1) CA2446403A1 (de)
DE (1) DE60239396D1 (de)
WO (1) WO2002091725A2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9779750B2 (en) 2004-07-30 2017-10-03 Invention Science Fund I, Llc Cue-aware privacy filter for participants in persistent communications
US9704502B2 (en) * 2004-07-30 2017-07-11 Invention Science Fund I, Llc Cue-aware privacy filter for participants in persistent communications
US7689175B2 (en) * 2005-01-21 2010-03-30 Sony Corporation Configurable frequency band elimination for powerline network
US8467546B2 (en) * 2005-06-28 2013-06-18 Sony Corporation Switchable audio circuits for mobile terminals and methods and computer program products for operating the same
US8073148B2 (en) * 2005-07-11 2011-12-06 Samsung Electronics Co., Ltd. Sound processing apparatus and method
US8081764B2 (en) * 2005-07-15 2011-12-20 Panasonic Corporation Audio decoder
CN100426378C (zh) * 2005-08-04 2008-10-15 北京中星微电子有限公司 一种动态噪音消除方法及数字滤波器
JP4863713B2 (ja) * 2005-12-29 2012-01-25 富士通株式会社 雑音抑制装置、雑音抑制方法、及びコンピュータプログラム
EP1838077A1 (de) * 2006-03-24 2007-09-26 British Telecommunications Public Limited Company Rechnertelefonsystem, -verfahren und -server
US8224286B2 (en) * 2007-03-30 2012-07-17 Savox Communications Oy Ab (Ltd) Radio communication device
US8656415B2 (en) * 2007-10-02 2014-02-18 Conexant Systems, Inc. Method and system for removal of clicks and noise in a redirected audio stream
US20090089813A1 (en) * 2007-10-02 2009-04-02 Conexant Systems, Inc. Method and system for dynamic audio stream redirection
US8214066B1 (en) 2008-03-25 2012-07-03 Marvell International Ltd. System and method for controlling noise in real-time audio signals
US7973711B2 (en) * 2008-05-30 2011-07-05 Sony Ericsson Mobile Communications Ab Controlling satellite navigation receivers in response to low frequency electromagnetic signals
US8355335B2 (en) * 2008-09-09 2013-01-15 Avaya Inc. Managing the audio-signal loss plan of a telecommunications network
US9532897B2 (en) * 2009-08-17 2017-01-03 Purdue Research Foundation Devices that train voice patterns and methods thereof
JP4858887B1 (ja) * 2010-10-06 2012-01-18 Necインフロンティア株式会社 構内交換機、音声品質調整方法および音声品質調整プログラム
CN102006129B (zh) * 2010-11-22 2014-03-26 浙江工业大学 基于fpga的电力线信道模拟方法及装置
EP2482566B1 (de) * 2011-01-28 2014-07-16 Sony Ericsson Mobile Communications AB Verfahren zur Erzeugung eines Audiosignals
DE102011086728B4 (de) * 2011-11-21 2014-06-05 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit einer Einrichtung zum Verringern eines Mikrofonrauschens und Verfahren zum Verringern eines Mikrofonrauschens
KR102372188B1 (ko) * 2015-05-28 2022-03-08 삼성전자주식회사 오디오 신호의 잡음을 제거하기 위한 방법 및 그 전자 장치
US9654861B1 (en) * 2015-11-13 2017-05-16 Doppler Labs, Inc. Annoyance noise suppression
US9589574B1 (en) 2015-11-13 2017-03-07 Doppler Labs, Inc. Annoyance noise suppression
JP2017156671A (ja) * 2016-03-04 2017-09-07 ヤマハ株式会社 システム
US11120821B2 (en) * 2016-08-08 2021-09-14 Plantronics, Inc. Vowel sensing voice activity detector

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185168A (en) * 1976-05-04 1980-01-22 Causey G Donald Method and means for adaptively filtering near-stationary noise from an information bearing signal
US4255620A (en) * 1978-01-09 1981-03-10 Vbc, Inc. Method and apparatus for bandwidth reduction
US4642583A (en) 1984-12-19 1987-02-10 Northern Telecom Limited Noise reduction in companding arrangements
US4820059A (en) * 1985-10-30 1989-04-11 Central Institute For The Deaf Speech processing apparatus and methods
US4847897A (en) 1987-12-11 1989-07-11 American Telephone And Telegraph Company Adaptive expander for telephones
US4985925A (en) 1988-06-24 1991-01-15 Sensor Electronics, Inc. Active noise reduction system
US5752225A (en) * 1989-01-27 1998-05-12 Dolby Laboratories Licensing Corporation Method and apparatus for split-band encoding and split-band decoding of audio information using adaptive bit allocation to adjacent subbands
US5091954A (en) 1989-03-01 1992-02-25 Sony Corporation Noise reducing receiver device
JP3277398B2 (ja) * 1992-04-15 2002-04-22 ソニー株式会社 有声音判別方法
US5343523A (en) 1992-08-03 1994-08-30 At&T Bell Laboratories Telephone headset structure for reducing ambient noise
US5265042A (en) 1992-08-20 1993-11-23 The United States Of America Government As Represented By The Director, National Security Agency Device and method for a nonlinear comb filter
CA2107316C (en) 1992-11-02 1996-12-17 Roger David Benning Electronic cancellation of ambient noise in telephone receivers
IT1272653B (it) * 1993-09-20 1997-06-26 Alcatel Italia Metodo di riduzione del rumore, in particolare per riconoscimento automatico del parlato, e filtro atto ad implementare lo stesso
JP3235925B2 (ja) * 1993-11-19 2001-12-04 松下電器産業株式会社 ハウリング抑制装置
JP3246824B2 (ja) 1994-01-18 2002-01-15 登 山口 音声通信端末器用周囲雑音抑制回路
US5774846A (en) * 1994-12-19 1998-06-30 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
US5933495A (en) 1997-02-07 1999-08-03 Texas Instruments Incorporated Subband acoustic noise suppression
FR2771542B1 (fr) * 1997-11-21 2000-02-11 Sextant Avionique Procede de filtrage frequentiel applique au debruitage de signaux sonores mettant en oeuvre un filtre de wiener
US6480823B1 (en) * 1998-03-24 2002-11-12 Matsushita Electric Industrial Co., Ltd. Speech detection for noisy conditions
US6711540B1 (en) * 1998-09-25 2004-03-23 Legerity, Inc. Tone detector with noise detection and dynamic thresholding for robust performance
US6658107B1 (en) * 1998-10-23 2003-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for providing echo suppression using frequency domain nonlinear processing
US6289309B1 (en) * 1998-12-16 2001-09-11 Sarnoff Corporation Noise spectrum tracking for speech enhancement
DE69907967T2 (de) 1998-12-18 2004-03-11 Telefonaktiebolaget L M Ericsson (Publ) Geräuschunterdrückung in einem mobil-kommunikationssystem
AU4645400A (en) 1999-04-13 2000-11-14 Broadcom Corporation Gateway with voice
US6321194B1 (en) * 1999-04-27 2001-11-20 Brooktrout Technology, Inc. Voice detection in audio signals
WO2001026418A1 (en) * 1999-10-07 2001-04-12 Widex A/S Method and signal processor for intensification of speech signal components in a hearing aid

Also Published As

Publication number Publication date
EP1386475B1 (de) 2011-03-09
US7289626B2 (en) 2007-10-30
WO2002091725A2 (en) 2002-11-14
CN1529974A (zh) 2004-09-15
CA2446403A1 (en) 2002-11-14
WO2002091725A3 (en) 2003-06-12
EP1386475A2 (de) 2004-02-04
US20020164013A1 (en) 2002-11-07
CN100531258C (zh) 2009-08-19

Similar Documents

Publication Publication Date Title
DE60239396D1 (de) Tonqualitätsverbesserung vor rechnertelefoniesysteme
DE60225513D1 (de) Mehrfrequenzantenne
DE60221463D1 (de) Sprachqualitätsprüfung
DE10196314T1 (de) Lautsprechermontagestruktur
DE60139475D1 (de) Mehrfrequenz-antennenweiche
DE60220346D1 (de) Elektroakustischer Wandler
FI20001993A (fi) Puhelinneuvottelu
DE69943237D1 (de) Rechnertelefonierer integration
DE60238831D1 (de) Unterwasserkommunikationssystem
DE60206585D1 (de) Mobiltelefon
DE60128766D1 (de) Elektroakustischer Wandler
DE60202258D1 (de) Feuermelder
DE60100492D1 (de) Mehrfrequenzantenne
ATA1222000A (de) Elektroakustischer wandler
DE50202557D1 (de) Mobiltelefon
DE10196123T1 (de) Elektroakustische Umformer
NO20015985D0 (no) Mikrofon
DE60044999D1 (de) Fernsprechsysteme
DE60123537D1 (de) Elektroakustischer Wandler
ATE436157T1 (de) Elektroakustischer wandler
MA26251A1 (fr) Appareillage de telephone ameliore
DE50211129D1 (de) Tongenerator
ITMI20010495V0 (it) Telefono con microfoni estraibili per conferenze
DE60030836D1 (de) Telephon
SE0101959D0 (sv) Konferensanpassat kommunikationsarrangemang