NO970727L - Analyse av audio-kvalitet - Google Patents

Analyse av audio-kvalitet

Info

Publication number
NO970727L
NO970727L NO970727A NO970727A NO970727L NO 970727 L NO970727 L NO 970727L NO 970727 A NO970727 A NO 970727A NO 970727 A NO970727 A NO 970727A NO 970727 L NO970727 L NO 970727L
Authority
NO
Norway
Prior art keywords
signal
quality analysis
audio quality
communication connection
comparison
Prior art date
Application number
NO970727A
Other languages
English (en)
Norwegian (no)
Other versions
NO970727D0 (no
Inventor
Michael Peter Hollier
Philip Julian Sheppard
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
Application filed by British Telecomm filed Critical British Telecomm
Publication of NO970727D0 publication Critical patent/NO970727D0/no
Publication of NO970727L publication Critical patent/NO970727L/no

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/26—Speech to text systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Holo Graphy (AREA)
NO970727A 1994-08-18 1997-02-17 Analyse av audio-kvalitet NO970727L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94306082 1994-08-18
PCT/GB1995/001952 WO1996006496A1 (fr) 1994-08-18 1995-08-17 Analyse de qualite audio

Publications (2)

Publication Number Publication Date
NO970727D0 NO970727D0 (no) 1997-02-17
NO970727L true NO970727L (no) 1997-02-17

Family

ID=8217819

Family Applications (1)

Application Number Title Priority Date Filing Date
NO970727A NO970727L (no) 1994-08-18 1997-02-17 Analyse av audio-kvalitet

Country Status (8)

Country Link
US (1) US5848384A (fr)
EP (1) EP0776567B1 (fr)
JP (1) JPH10505718A (fr)
AU (1) AU683183B2 (fr)
CA (1) CA2196553C (fr)
DE (1) DE69517325T2 (fr)
NO (1) NO970727L (fr)
WO (1) WO1996006496A1 (fr)

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DE69726559T2 (de) * 1996-02-29 2004-11-25 British Telecommunications P.L.C. Vorrichtung und verfahren zur verbesserung der qualität von über ein telekommunikationssystem übertragene sprache
SE506341C2 (sv) * 1996-04-10 1997-12-08 Ericsson Telefon Ab L M Metod och anordning för rekonstruktion av en mottagen talsignal
US6044147A (en) * 1996-05-16 2000-03-28 British Teledommunications Public Limited Company Telecommunications system
US6427133B1 (en) 1996-08-02 2002-07-30 Ascom Infrasys Ag Process and device for evaluating the quality of a transmitted voice signal
US6157830A (en) * 1997-05-22 2000-12-05 Telefonaktiebolaget Lm Ericsson Speech quality measurement in mobile telecommunication networks based on radio link parameters
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
US5987320A (en) * 1997-07-17 1999-11-16 Llc, L.C.C. Quality measurement method and apparatus for wireless communicaion networks
FI105735B (fi) * 1997-08-26 2000-09-29 Nemo Technologies Oy Menetelmä ja järjestely siirron laadun määrittämiseksi tiedonsiirtojärjestelmässä
US5940799A (en) * 1997-09-15 1999-08-17 Motorola, Inc. System and method for securing speech transactions
US6275797B1 (en) * 1998-04-17 2001-08-14 Cisco Technology, Inc. Method and apparatus for measuring voice path quality by means of speech recognition
JPH11331305A (ja) 1998-05-08 1999-11-30 Sony Corp 送信装置および送信方法、受信装置および受信方法、並びに提供媒体
AU4379799A (en) * 1998-06-29 2000-01-17 British Telecommunications Public Limited Company Measurement of performance of communications systems
JP4131052B2 (ja) 1998-07-17 2008-08-13 ソニー株式会社 撮像装置
US6477492B1 (en) * 1999-06-15 2002-11-05 Cisco Technology, Inc. System for automated testing of perceptual distortion of prompts from voice response systems
US7437304B2 (en) * 1999-11-22 2008-10-14 International Business Machines Corporation System and method for project preparing a procurement and accounts payable system
NL1014075C2 (nl) * 2000-01-13 2001-07-16 Koninkl Kpn Nv Methode en inrichting voor het bepalen van de kwaliteit van een signaal.
US6996068B1 (en) * 2000-03-31 2006-02-07 Intel Corporation Audio testing in a packet switched network
US7050924B2 (en) 2000-06-12 2006-05-23 British Telecommunications Public Limited Company Test signalling
EP1187100A1 (fr) * 2000-09-06 2002-03-13 Koninklijke KPN N.V. Procédé et dispositif pour l'évaluation objective de la qualité de parole sans signal de référence
US6895374B1 (en) * 2000-09-29 2005-05-17 Sony Corporation Method for utilizing temporal masking in digital audio coding
ATE333751T1 (de) * 2000-11-09 2006-08-15 Koninkl Kpn Nv Messen einer übertragungsqualität einer telefonverbindung in einem fernmeldenetz
WO2001020965A2 (fr) * 2001-01-05 2001-03-29 Phonak Ag Procede de determination d'une situation d'environnement acoustique momentanee, utilisation de ce procede, et prothese auditive
EP1244312A1 (fr) * 2001-03-23 2002-09-25 BRITISH TELECOMMUNICATIONS public limited company Evaluation multimodal de la qualité
US7308403B2 (en) * 2002-07-01 2007-12-11 Lucent Technologies Inc. Compensation for utterance dependent articulation for speech quality assessment
US7142517B2 (en) * 2002-09-24 2006-11-28 Accton Technology Corporation Method for objective playout quality measurement of a packet based network transmission
US7092880B2 (en) * 2002-09-25 2006-08-15 Siemens Communications, Inc. Apparatus and method for quantitative measurement of voice quality in packet network environments
CA2415105A1 (fr) * 2002-12-24 2004-06-24 Voiceage Corporation Methode et dispositif de quantification vectorielle predictive robuste des parametres de prediction lineaire dans le codage de la parole a debit binaire variable
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
US7305341B2 (en) * 2003-06-25 2007-12-04 Lucent Technologies Inc. Method of reflecting time/language distortion in objective speech quality assessment
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
US7483831B2 (en) * 2003-11-21 2009-01-27 Articulation Incorporated Methods and apparatus for maximizing speech intelligibility in quiet or noisy backgrounds
US20050113147A1 (en) * 2003-11-26 2005-05-26 Vanepps Daniel J.Jr. Methods, electronic devices, and computer program products for generating an alert signal based on a sound metric for a noise signal
US7672838B1 (en) * 2003-12-01 2010-03-02 The Trustees Of Columbia University In The City Of New York Systems and methods for speech recognition using frequency domain linear prediction polynomials to form temporal and spectral envelopes from frequency domain representations of signals
US7680250B1 (en) 2004-11-24 2010-03-16 Interactive Quality Services Interactive method and system of testing an automated call telephonic communication system
US7801280B2 (en) * 2004-12-15 2010-09-21 Verizon Laboratories Inc. Methods and systems for measuring the perceptual quality of communications
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US7856355B2 (en) * 2005-07-05 2010-12-21 Alcatel-Lucent Usa Inc. Speech quality assessment method and system
GB0515269D0 (en) * 2005-07-26 2005-08-31 Sound Alert Ltd Locatable information sound device and method
US20070203694A1 (en) * 2006-02-28 2007-08-30 Nortel Networks Limited Single-sided speech quality measurement
US7756484B2 (en) * 2006-07-14 2010-07-13 Metrico Wireless, Inc. Monitoring voice quality in communication networks
US8055201B1 (en) 2006-07-21 2011-11-08 Nextel Communications Inc. System and method for providing integrated voice quality measurements for wireless networks
FR2910758A1 (fr) * 2006-12-26 2008-06-27 France Telecom Procede d'estimation de la qualite d'une communication en mode paquet
US20090061843A1 (en) * 2007-08-28 2009-03-05 Topaltzas Dimitrios M System and Method for Measuring the Speech Quality of Telephone Devices in the Presence of Noise
US20090111459A1 (en) * 2007-10-30 2009-04-30 Topaltzas Dimitrios M System and Method for Determining End-to-End Speech Quality of Mobile Telephone Devices
US7957731B2 (en) * 2008-02-26 2011-06-07 Metrico Wireless, Inc. System and method for determining mobile telephone voice quality in a live network
FR2932920A1 (fr) * 2008-06-19 2009-12-25 Archean Technologies Procede et appareil de mesure de l'intelligibilite d'un dispositif de diffusion sonore
US8239195B2 (en) * 2008-09-23 2012-08-07 Microsoft Corporation Adapting a compressed model for use in speech recognition
TWI377560B (en) * 2008-12-12 2012-11-21 Inst Information Industry Adjustable hierarchical scoring method and system
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
US10019983B2 (en) 2012-08-30 2018-07-10 Aravind Ganapathiraju Method and system for predicting speech recognition performance using accuracy scores
US9135928B2 (en) * 2013-03-14 2015-09-15 Bose Corporation Audio transmission channel quality assessment
US9591048B2 (en) 2013-03-15 2017-03-07 Intelmate Llc Dynamic VoIP routing and adjustment
WO2015057661A1 (fr) * 2013-10-14 2015-04-23 The Penn State Research Foundation Système et procédé de reconnaissance automatique de la parole
US9876901B1 (en) * 2016-09-09 2018-01-23 Google Inc. Conversational call quality evaluator

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US4063031A (en) * 1976-04-19 1977-12-13 Threshold Technology, Inc. System for channel switching based on speech word versus noise detection
DE3708002A1 (de) * 1987-03-12 1988-09-22 Telefonbau & Normalzeit Gmbh Messverfahren zum beurteilen der guete von sprachcodierern und/oder uebertragungsstrecken
US5073939A (en) * 1989-06-08 1991-12-17 Itt Corporation Dynamic time warping (DTW) apparatus for use in speech recognition systems
US5216702A (en) * 1992-02-27 1993-06-01 At&T Bell Laboratories Nonintrusive speech level and dynamic noise measurements

Also Published As

Publication number Publication date
CA2196553A1 (fr) 1996-02-29
NO970727D0 (no) 1997-02-17
CA2196553C (fr) 2000-04-11
AU683183B2 (en) 1997-10-30
EP0776567A1 (fr) 1997-06-04
DE69517325D1 (de) 2000-07-06
JPH10505718A (ja) 1998-06-02
DE69517325T2 (de) 2000-12-28
WO1996006496A1 (fr) 1996-02-29
US5848384A (en) 1998-12-08
AU3229495A (en) 1996-03-14
EP0776567B1 (fr) 2000-05-31

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