IL132172A - Method and device for measurement of telecom signal quality - Google Patents

Method and device for measurement of telecom signal quality

Info

Publication number
IL132172A
IL132172A IL13217298A IL13217298A IL132172A IL 132172 A IL132172 A IL 132172A IL 13217298 A IL13217298 A IL 13217298A IL 13217298 A IL13217298 A IL 13217298A IL 132172 A IL132172 A IL 132172A
Authority
IL
Israel
Prior art keywords
measurement
signal quality
telecom signal
telecom
quality
Prior art date
Application number
IL13217298A
Other languages
English (en)
Other versions
IL132172A0 (en
Original Assignee
British Telecomm
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
Priority claimed from GBGB9726125.9A external-priority patent/GB9726125D0/en
Application filed by British Telecomm filed Critical British Telecomm
Publication of IL132172A0 publication Critical patent/IL132172A0/xx
Publication of IL132172A publication Critical patent/IL132172A/xx

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
    • H04M3/2236—Quality of speech transmission monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/40—Electronic components, circuits, software, systems or apparatus used in telephone systems using speech recognition
    • 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)

Landscapes

  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
IL13217298A 1997-05-16 1998-05-06 Method and device for measurement of telecom signal quality IL132172A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97303375 1997-05-16
GBGB9726125.9A GB9726125D0 (en) 1997-12-10 1997-12-10 Testing telecommunications equipment
PCT/GB1998/001306 WO1998053590A1 (en) 1997-05-16 1998-05-06 Measurement of signal quality

Publications (2)

Publication Number Publication Date
IL132172A0 IL132172A0 (en) 2001-03-19
IL132172A true IL132172A (en) 2003-10-31

Family

ID=26147429

Family Applications (2)

Application Number Title Priority Date Filing Date
IL13217298A IL132172A (en) 1997-05-16 1998-05-06 Method and device for measurement of telecom signal quality
IL13217198A IL132171A0 (en) 1997-05-16 1998-05-06 Testing telecommunications equipment

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL13217198A IL132171A0 (en) 1997-05-16 1998-05-06 Testing telecommunications equipment

Country Status (6)

Country Link
US (2) US6304634B1 (de)
EP (2) EP0981887B1 (de)
AU (2) AU7342798A (de)
DE (2) DE69842181D1 (de)
IL (2) IL132172A (de)
WO (2) WO1998053589A1 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653002B2 (en) * 1998-12-24 2010-01-26 Verizon Business Global Llc Real time monitoring of perceived quality of packet voice transmission
US7085230B2 (en) * 1998-12-24 2006-08-01 Mci, Llc Method and system for evaluating the quality of packet-switched voice signals
US6985559B2 (en) * 1998-12-24 2006-01-10 Mci, Inc. Method and apparatus for estimating quality in a telephonic voice connection
US7099282B1 (en) 1998-12-24 2006-08-29 Mci, Inc. Determining the effects of new types of impairments on perceived quality of a voice service
US6477492B1 (en) * 1999-06-15 2002-11-05 Cisco Technology, Inc. System for automated testing of perceptual distortion of prompts from voice response systems
US6775240B1 (en) * 1999-09-21 2004-08-10 Lucent Technologies Inc. System and methods for measuring quality of communications over packet networks
US6970568B1 (en) 1999-09-27 2005-11-29 Electronic Engineering And Manufacturing Inc. Apparatus and method for analyzing an electro-acoustic system
US6744885B1 (en) * 2000-02-24 2004-06-01 Lucent Technologies Inc. ASR talkoff suppressor
US6553098B1 (en) * 2000-04-11 2003-04-22 Verizon Laboratories Inc. Apparatus and method for assessing leakage from cable networks
US7075981B1 (en) * 2000-05-19 2006-07-11 Telchemy, Incorporated Dynamic quality of service monitor
US6700953B1 (en) * 2000-09-02 2004-03-02 Metatron Technologies, Inc. System, apparatus, method and article of manufacture for evaluating the quality of a transmission channel using voice recognition technology
US6914962B2 (en) * 2000-12-14 2005-07-05 Nortel Networks Limited Call-flow verification method and apparatus
US6678354B1 (en) * 2000-12-14 2004-01-13 Unisys Corporation System and method for determining number of voice processing engines capable of support on a data processing system
FR2818852B1 (fr) * 2000-12-26 2003-02-07 France Telecom Procede et plateforme pour evaluation de qualite vocale de communications telephoniques
US6553061B1 (en) 2001-02-08 2003-04-22 Worldcom, Inc. Method and apparatus for detecting a waveform
JP4115114B2 (ja) * 2001-10-24 2008-07-09 興和株式会社 ネットワーク通話の品質評価設備
US7689406B2 (en) * 2002-03-08 2010-03-30 Koninklijke Kpn. N.V. Method and system for measuring a system's transmission quality
US7236573B2 (en) 2002-04-01 2007-06-26 At&T Intellectual Property, Inc. Method and apparatus for testing telephone sound quality
US6898272B2 (en) * 2002-08-01 2005-05-24 Spirent Communications System and method for testing telecommunication devices
US7519002B2 (en) * 2002-08-22 2009-04-14 Agilent Technologies, Inc. Method of switching between multiple call signaling protocol stacks in a voice quality tester and apparatus using same
US20040167774A1 (en) * 2002-11-27 2004-08-26 University Of Florida Audio-based method, system, and apparatus for measurement of voice quality
JP2004208103A (ja) * 2002-12-26 2004-07-22 Kowa Co ネットワーク通話の品質評価設備
DE10327239A1 (de) * 2003-06-17 2005-01-27 Opticom Dipl.-Ing. Michael Keyhl Gmbh Vorrichtung und Verfahren zum extrahieren eines Testsignalabschnitts aus einem Audiosignal
US7664122B1 (en) * 2003-07-03 2010-02-16 At&T Corp. Call tracking using voice quality measurement probe
US8140980B2 (en) 2003-08-05 2012-03-20 Verizon Business Global Llc Method and system for providing conferencing services
US7194068B2 (en) * 2003-08-20 2007-03-20 Agilent Technologies, Inc. Autonomous voice responder unit
US7298827B1 (en) * 2003-09-05 2007-11-20 Spirent Communications System and method for testing a quality of telecommunication data
US7881927B1 (en) * 2003-09-26 2011-02-01 Plantronics, Inc. Adaptive sidetone and adaptive voice activity detect (VAD) threshold for speech processing
US7483831B2 (en) * 2003-11-21 2009-01-27 Articulation Incorporated Methods and apparatus for maximizing speech intelligibility in quiet or noisy backgrounds
US20060093094A1 (en) * 2004-10-15 2006-05-04 Zhu Xing Automatic measurement and announcement voice quality testing system
US7680250B1 (en) 2004-11-24 2010-03-16 Interactive Quality Services Interactive method and system of testing an automated call telephonic communication system
US7751431B2 (en) * 2004-12-30 2010-07-06 Motorola, Inc. Method and apparatus for distributed speech applications
US7707031B2 (en) * 2005-03-01 2010-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Large scale measurement of subjective quality in mobile communications systems
US7680655B2 (en) * 2005-05-20 2010-03-16 Alcatel-Lucent Usa Inc. Method and apparatus for measuring the quality of speech transmissions that use speech compression
US7590222B1 (en) * 2005-10-31 2009-09-15 At&T Corp. Techniques and apparatus for one way transmission delay measurement for IP phone connections
JP2007142691A (ja) * 2005-11-17 2007-06-07 Fujitsu Ltd 携帯電話機、模擬会話方法及び模擬会話用プログラム
US7831025B1 (en) * 2006-05-15 2010-11-09 At&T Intellectual Property Ii, L.P. Method and system for administering subjective listening test to remote users
US7849186B2 (en) * 2006-09-21 2010-12-07 Commtouch Software Ltd. Device, method and system for detecting unwanted conversational media session
US9444921B2 (en) * 2007-10-29 2016-09-13 Centurylink Intellectual Property Llc System to provide real loops for sidetone measurement with analog telephones
US8126394B2 (en) * 2008-05-13 2012-02-28 Avaya Inc. Purposeful receive-path audio degradation for providing feedback about transmit-path signal quality
US9124708B2 (en) * 2008-07-28 2015-09-01 Broadcom Corporation Far-end sound quality indication for telephone devices
EP2194525A1 (de) * 2008-12-05 2010-06-09 Alcatel, Lucent Subjektives Sprachqualitätsprüfwerkzeug
CN101977273B (zh) * 2010-10-21 2013-10-09 深圳市共进电子股份有限公司 一种对网络语音通信设备的传导抗干扰性能的测试方法
US8594278B2 (en) * 2010-11-23 2013-11-26 Ipc Systems, Inc. Test system for voice communications systems
US8737573B2 (en) * 2011-05-09 2014-05-27 Intelligent Decisions, Inc. Systems, methods, and devices for testing communication lines
EP2829081B1 (de) 2012-03-23 2015-12-09 Dolby Laboratories Licensing Corporation Selbsttest einer konferenzvorrichtung
CN103607669B (zh) * 2013-10-12 2016-07-13 公安部第三研究所 一种楼宇对讲系统音频传输特性检测方法及检测系统
KR102265931B1 (ko) 2014-08-12 2021-06-16 삼성전자주식회사 음성 인식을 이용하는 통화 수행 방법 및 사용자 단말
US9591125B1 (en) * 2016-02-23 2017-03-07 Verizon Patent And Licensing Inc. Testing audio quality associated with a user device during a double talk communication
US9667776B1 (en) * 2016-12-06 2017-05-30 Cyara Solutions Pty Ltd Bi-directional audio generation device for speech quality assessment of telephony networks and speech codecs
CN109903752B (zh) * 2018-05-28 2021-04-20 华为技术有限公司 对齐语音的方法和装置
US10244104B1 (en) * 2018-06-14 2019-03-26 Microsoft Technology Licensing, Llc Sound-based call-quality detector
US10623554B1 (en) * 2019-03-12 2020-04-14 Sprint Spectrum L.P. Limiting voice filter bandwidth for device model based on observed sound quality of voice-call communications

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1211194B (it) * 1987-07-10 1989-10-12 Olivetti & Co Spa Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce
JPH0583377A (ja) * 1991-09-25 1993-04-02 Nec Corp 加入者回線試験方式
US5369644A (en) * 1991-12-16 1994-11-29 Motorola, Inc. Method for testing a communication system using canned speech
SE469007B (sv) * 1992-04-21 1993-04-26 Televerket Anordning vid mobila telesystem foer att moejliggoera jaemfoerelser av subjektiv samtalskvalite
JP3964456B2 (ja) * 1992-06-24 2007-08-22 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 電気通信装置の客観的音声品質測定の方法および装置
WO1995001011A1 (en) * 1993-06-21 1995-01-05 British Telecommunications Public Limited Company Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
US5473666A (en) * 1992-09-11 1995-12-05 Reliance Comm/Tec Corporation Method and apparatus for digitally controlling gain in a talking path
CA2171864A1 (en) * 1993-11-25 1995-06-01 Michael Peter Hollier Method and apparatus for testing telecommunications equipment
US5633909A (en) * 1994-06-17 1997-05-27 Centigram Communications Corporation Apparatus and method for generating calls and testing telephone equipment
US5572570A (en) * 1994-10-11 1996-11-05 Teradyne, Inc. Telecommunication system tester with voice recognition capability
US5715372A (en) * 1995-01-10 1998-02-03 Lucent Technologies Inc. Method and apparatus for characterizing an input signal
US5867813A (en) * 1995-05-01 1999-02-02 Ascom Infrasys Ag. Method and apparatus for automatically and reproducibly rating the transmission quality of a speech transmission system
NZ313705A (en) * 1995-07-27 1998-11-25 British Telecomm Assessment of signal quality
GB9604315D0 (en) * 1996-02-29 1996-05-01 British Telecomm Training process
US5737389A (en) * 1995-12-18 1998-04-07 At&T Corp. Technique for determining a compression ratio for use in processing audio signals within a telecommunications system
US5822397A (en) * 1996-09-20 1998-10-13 Mci Communications Corporation Audio interface for telecommunications test system
US5809108A (en) * 1996-09-27 1998-09-15 Mci Communications Corporation Automated test call generation and execution system
DE19651334A1 (de) * 1996-12-10 1998-06-25 Ericsson Telefon Ab L M Betriebstestvorrichtung und Verfahren zur Ausführung eines Betriebstests für ein zu testendes System
US5940472A (en) * 1996-12-16 1999-08-17 Mci Communications Corporation Intelligent services network test system
US5715198A (en) * 1997-02-03 1998-02-03 International Business Machines Corporation Output latching circuit for static memory devices
US5933475A (en) * 1997-06-04 1999-08-03 Interactive Quality Services, Inc. System and method for testing a telecommunications apparatus

Also Published As

Publication number Publication date
AU7342798A (en) 1998-12-11
IL132171A0 (en) 2001-03-19
EP0981888B1 (de) 2011-03-16
DE69842181D1 (de) 2011-04-28
US6304634B1 (en) 2001-10-16
US6389111B1 (en) 2002-05-14
EP0981887B1 (de) 2004-05-12
WO1998053589A1 (en) 1998-11-26
DE69823817D1 (de) 2004-06-17
WO1998053590A1 (en) 1998-11-26
EP0981887A1 (de) 2000-03-01
EP0981888A1 (de) 2000-03-01
AU7342698A (en) 1998-12-11
IL132172A0 (en) 2001-03-19
DE69823817T2 (de) 2005-04-14

Similar Documents

Publication Publication Date Title
IL132172A (en) Method and device for measurement of telecom signal quality
EP0836408A4 (de) Vorrichtung und verfahren zur messung der trommelfell-bewegung
GB2318949B (en) Method of and apparatus for communicating information signals
GB2337328B (en) Method and apparatus for rapid hygiene testing
SG75807A1 (en) Signal transmitting method and apparatus
IL131696A0 (en) Method of and apparatus for encryptng signals for transmission
GB9814596D0 (en) Method and device for measuring the return loss of a radiofrequent signal
GB2310348B (en) Method of and apparatus for transmitting signal
ZA95978B (en) Method and apparatus for determining signal quality
GB9805732D0 (en) Telecommunications signal coupler apparatus and method
GB2326756B (en) Signal reproduction apparatus and method
GB9620053D0 (en) Method and apparatus for measurement
GB9503787D0 (en) A method of and apparatus for analysing a signal
EP1093239A4 (de) Verfahren und gerät zur qualitätbewerkung eines kabelschaltkreises
AU5349198A (en) Apparatus and method for measuring the quality of concrete
GB9726912D0 (en) Apparatus and method for detection of signals
GB9415923D0 (en) Method of and apparatus for calibration
GB2307753B (en) Method and apparatus for determining electrical impedance
GB9921797D0 (en) Method of and apparatus for verifying signal reciept ability
IL109740A0 (en) Apparatus and method for determining psychological characteristics
GB9513710D0 (en) Method and apparatus for measuring tension
EP0735536A3 (de) Verfahren und Gerät zur Aufnahme von Digitalsignalen
EP0838104A4 (de) Verfahren und gerät zur verstärkung eines elektrischen signals
GB9413944D0 (en) Method and apparatus for tension measurement
HU9402547D0 (en) Method and apparatus for measuring of urineflow

Legal Events

Date Code Title Description
FF Patent granted
MM9K Patent not in force due to non-payment of renewal fees