ATE333751T1 - Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz - Google Patents

Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz

Info

Publication number
ATE333751T1
ATE333751T1 AT00203936T AT00203936T ATE333751T1 AT E333751 T1 ATE333751 T1 AT E333751T1 AT 00203936 T AT00203936 T AT 00203936T AT 00203936 T AT00203936 T AT 00203936T AT E333751 T1 ATE333751 T1 AT E333751T1
Authority
AT
Austria
Prior art keywords
signal
noise
measuring
telecommunication network
speech signal
Prior art date
Application number
AT00203936T
Other languages
English (en)
Inventor
Symon Ronald Appel
John Gerard Beerends
Andries Pieter Hekstra
Original Assignee
Koninkl Kpn Nv
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 Koninkl Kpn Nv filed Critical Koninkl Kpn Nv
Application granted granted Critical
Publication of ATE333751T1 publication Critical patent/ATE333751T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2236—Quality of speech transmission monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephone Function (AREA)
  • Prepayment Telephone Systems (AREA)
AT00203936T 2000-11-09 2000-11-09 Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz ATE333751T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00203936A EP1206104B1 (de) 2000-11-09 2000-11-09 Messen einer Übertragungsqualität einer Telefonverbindung in einem Fernmeldenetz

Publications (1)

Publication Number Publication Date
ATE333751T1 true ATE333751T1 (de) 2006-08-15

Family

ID=8172245

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00203936T ATE333751T1 (de) 2000-11-09 2000-11-09 Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz

Country Status (9)

Country Link
US (1) US7366663B2 (de)
EP (2) EP1206104B1 (de)
JP (1) JP4098083B2 (de)
AT (1) ATE333751T1 (de)
AU (1) AU2002223612A1 (de)
DE (1) DE60029453T2 (de)
DK (1) DK1206104T3 (de)
ES (1) ES2267457T3 (de)
WO (1) WO2002039707A2 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69608316T2 (de) * 1996-12-13 2000-11-30 Koninkl Kpn Nv Vorrichtung und verfahren zur signalqualitätsbestimmung
EP1241663A1 (de) * 2001-03-13 2002-09-18 Koninklijke KPN N.V. Verfahren und Vorrichtung zur Sprachqualitätsbestimmung
US20040167774A1 (en) * 2002-11-27 2004-08-26 University Of Florida Audio-based method, system, and apparatus for measurement of voice quality
ATE371246T1 (de) * 2003-05-28 2007-09-15 Dolby Lab Licensing Corp Verfahren, vorrichtung und computerprogramm zur berechung und einstellung der wahrgenommenen lautstärke eines audiosignals
DE60305306T2 (de) 2003-06-25 2007-01-18 Psytechnics Ltd. Vorrichtung und Verfahren zur binauralen Qualitätsbeurteilung
JP4317222B2 (ja) * 2003-08-28 2009-08-19 コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ ネットワークにおける通信リンクの送話品質の測定
US7525952B1 (en) * 2004-01-07 2009-04-28 Cisco Technology, Inc. Method and apparatus for determining the source of user-perceived voice quality degradation in a network telephony environment
ATE405922T1 (de) * 2004-09-20 2008-09-15 Tno Frequenzkompensation für die wahrnehmungsbezogene sprachanalyse
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
CA2581810C (en) * 2004-10-26 2013-12-17 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
US20060200346A1 (en) * 2005-03-03 2006-09-07 Nortel Networks Ltd. Speech quality measurement based on classification estimation
US8005675B2 (en) * 2005-03-17 2011-08-23 Nice Systems, Ltd. Apparatus and method for audio analysis
PL1931197T3 (pl) * 2005-04-18 2015-09-30 Basf Se Preparat zawierający co najmniej jeden fungicyd konazolowy, inny fungicyd i jeden kopolimer stabilizujący
TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
JP5185254B2 (ja) * 2006-04-04 2013-04-17 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 Ｍｄｃｔ領域におけるオーディオ信号音量測定と改良
CN101432965B (zh) 2006-04-27 2012-07-04 杜比实验室特许公司 使用基于特性响度的听觉事件检测的音频增益控制
KR101137715B1 (ko) 2006-10-20 2012-04-25 돌비 레버러토리즈 라이쎈싱 코오포레이션 리셋을 사용하는 오디오 다이내믹스 프로세싱
US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
US8456840B1 (en) 2007-07-06 2013-06-04 Exaflop Llc Modular data center cooling
JP5192544B2 (ja) * 2007-07-13 2013-05-08 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 聴覚情景分析とスペクトルの歪みを用いた音響処理
ES2403509T3 (es) * 2007-09-11 2013-05-20 Deutsche Telekom Ag Método y sistema para la evaluación integral y diagnóstica de la calidad de la voz de escucha
US8315398B2 (en) 2007-12-21 2012-11-20 Dts Llc System for adjusting perceived loudness of audio signals
EP2301212A2 (de) * 2008-05-21 2011-03-30 Nxp B.V. Filtervorrichtung zur erkennung und/oder entfernung fehlerhafter komponenten in bzw. aus einem signal
DE102008030086A1 (de) * 2008-06-25 2010-01-14 Siemens Aktiengesellschaft Automatisierte Rückmeldung über eine Sprachqualtität
EP2438591B1 (de) * 2009-06-04 2013-08-21 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zur schätzung der qualitätsverschlechterung eines verarbeiteten signals
US8655651B2 (en) * 2009-07-24 2014-02-18 Telefonaktiebolaget L M Ericsson (Publ) Method, computer, computer program and computer program product for speech quality estimation
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US9031221B2 (en) * 2009-12-22 2015-05-12 Cyara Solutions Pty Ltd System and method for automated voice quality testing
JP5606764B2 (ja) 2010-03-31 2014-10-15 クラリオン株式会社 音質評価装置およびそのためのプログラム
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
CN103077727A (zh) * 2013-01-04 2013-05-01 华为技术有限公司 一种用于语音质量监测和提示的方法和装置
CN106531190B (zh) * 2016-10-12 2020-05-05 科大讯飞股份有限公司 语音质量评价方法和装置
CN106713623A (zh) * 2016-12-08 2017-05-24 深圳市传测科技有限公司 一种通信终端植入式的通话检测系统与方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4449238A (en) * 1982-03-25 1984-05-15 Bell Telephone Laboratories, Incorporated Voice-actuated switching system
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
US5001703A (en) * 1989-01-23 1991-03-19 Motorola, Inc. Spectrally efficient TDM duplex communication system
DK1126437T3 (da) * 1991-06-11 2004-11-08 Qualcomm Inc Vocoder med variabel hastighed
US5271057A (en) * 1991-10-09 1993-12-14 Bell Communications Research, Inc. Audio processing system for teleconferencing system
US5649299A (en) * 1993-10-27 1997-07-15 Motorola, Inc. Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic
EP0683621B1 (de) * 1994-05-18 2002-03-27 Nippon Telegraph And Telephone Corporation Sender-Empfänger mit einem akustischen Wandler vom Ohrpassstück-Typ
TW271524B (de) * 1994-08-05 1996-03-01 Qualcomm Inc
AU683183B2 (en) * 1994-08-18 1997-10-30 British Telecommunications Public Limited Company Analysis of audio quality
US6201960B1 (en) * 1997-06-24 2001-03-13 Telefonaktiebolaget Lm Ericsson (Publ) Speech quality measurement based on radio link parameters and objective measurement of received speech signals
KR100244193B1 (ko) * 1997-06-30 2000-02-01 윤종용 더미 파일럿을 이용한 하드 핸드오프 방법

Also Published As

Publication number Publication date
DK1206104T3 (da) 2006-10-30
US20040042617A1 (en) 2004-03-04
DE60029453T2 (de) 2007-04-12
AU2002223612A1 (en) 2002-05-21
EP1206104A1 (de) 2002-05-15
JP4098083B2 (ja) 2008-06-11
ES2267457T3 (es) 2007-03-16
EP1336288A2 (de) 2003-08-20
JP2004514327A (ja) 2004-05-13
DE60029453D1 (de) 2006-08-31
WO2002039707A3 (en) 2002-07-18
US7366663B2 (en) 2008-04-29
EP1206104B1 (de) 2006-07-19
WO2002039707A2 (en) 2002-05-16

Similar Documents

Publication Publication Date Title
ATE333751T1 (de) Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz
EP1927192B1 (de) Verfahren zur messung der sprachverständlichkeit
US8160239B2 (en) Echo canceller and speech processing apparatus
KR960704400A (ko) 반향소거장치 및 그 학습방법
US7353002B2 (en) Measuring a talking quality of a communication link in a network
US7787597B1 (en) Automated tools for testing echo cancellers using natural speech excitations
KR20090085314A (ko) 아날로그 트렁크 및 아날로그 트렁크의 음질 최적화 방법
ATE405094T1 (de) Verfahren und einrichtung zur detektierung eines fernsprachsignals
Zuo et al. Telephone speech recognition using simulated data from clean database
EP1216519B1 (de) Messung der wahrnehmungsqualität von sprachsignalen mit echostörungen
Gierlich et al. Background Noise Transmission and Comfort Noise Insertion: The Influence of Signal Processing on" Speech"-Quality in Complex Telecommunication Scenarios
Jones et al. A network speech echo canceller with comfort noise.
Kitawaki et al. Characteristics of spoken language required for objective quality evaluation of echo cancellers.
Gierlich et al. Conversational speech quality-the dominating parameters in VoIP systems
Gierlich Methods of Determining the Communicational Quality of Speech Transmission Systems
Kettler et al. Objective end-to-end (mouth-to-ear) conversational speech quality tests for VoIP scenarios
Taudien Line probing in VoIP networks to find performance limit of echo canceller
Irii et al. The instrument accuracy limit for objectively measuring the loudness rating of telephone systems
INSTALLATIONS et al. ITU-Tp. 340
KR20000043955A (ko) 에코 소거장치의 탭수 결정방법

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1206104

Country of ref document: EP

REN Ceased due to non-payment of the annual fee