SG48927A1 - Testing telecommunications apparatus - Google Patents

Testing telecommunications apparatus

Info

Publication number
SG48927A1
SG48927A1 SG1996003824A SG1996003824A SG48927A1 SG 48927 A1 SG48927 A1 SG 48927A1 SG 1996003824 A SG1996003824 A SG 1996003824A SG 1996003824 A SG1996003824 A SG 1996003824A SG 48927 A1 SG48927 A1 SG 48927A1
Authority
SG
Singapore
Prior art keywords
telecommunications apparatus
testing telecommunications
testing
telecommunications
Prior art date
Application number
SG1996003824A
Other languages
English (en)
Inventor
Michael Peter Hollier
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 GB929213459A external-priority patent/GB9213459D0/en
Priority claimed from GB939312758A external-priority patent/GB9312758D0/en
Application filed by British Telecomm filed Critical British Telecomm
Publication of SG48927A1 publication Critical patent/SG48927A1/en

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/24—Arrangements for testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Telephone Function (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
SG1996003824A 1992-06-24 1993-06-24 Testing telecommunications apparatus SG48927A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929213459A GB9213459D0 (en) 1992-06-24 1992-06-24 Characterisation of communications systems using a speech-like test stimulus
GB939312758A GB9312758D0 (en) 1993-06-21 1993-06-21 Speech-like test stimulus

Publications (1)

Publication Number Publication Date
SG48927A1 true SG48927A1 (en) 1998-05-18

Family

ID=26301121

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003824A SG48927A1 (en) 1992-06-24 1993-06-24 Testing telecommunications apparatus

Country Status (9)

Country Link
EP (2) EP0647375B1 (ja)
JP (2) JP3964456B2 (ja)
AU (1) AU670950B2 (ja)
CA (2) CA2277975C (ja)
DE (2) DE69334139T2 (ja)
ES (1) ES2122021T3 (ja)
HK (1) HK1014403A1 (ja)
SG (1) SG48927A1 (ja)
WO (1) WO1994000922A1 (ja)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9213459D0 (en) * 1992-06-24 1992-08-05 British Telecomm Characterisation of communications systems using a speech-like test stimulus
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
US5890104A (en) * 1992-06-24 1999-03-30 British Telecommunications Public Limited Company Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal
AU680072B2 (en) * 1992-06-24 1997-07-17 British Telecommunications Public Limited Company Method and apparatus for testing telecommunications equipment
GB2281311B (en) * 1993-03-29 1996-09-04 Boc Group Plc Metallurgical processes and apparatus
CH686752A8 (de) * 1993-09-22 1996-08-15 Ascom Tech Ag Berner Technopark Verfahren zum Beurteilen der Übertragungsqualität einer Sprach-Übertragungsstrecke
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
FR2736490B1 (fr) * 1995-07-06 1997-08-22 Renault Dispositif de test pour la prise de son d'un radiotelephone, notamment destine a etre installe dans un vehicule automobile
GB9604315D0 (en) * 1996-02-29 1996-05-01 British Telecomm Training process
US6119083A (en) * 1996-02-29 2000-09-12 British Telecommunications Public Limited Company Training process for the classification of a perceptual signal
DE59712013D1 (de) * 1996-08-02 2004-11-18 Ascom Ag Bern Verfahren und anordnung zum beurteilen der qualität eines übertragenen sprachsignals
WO1998053590A1 (en) * 1997-05-16 1998-11-26 British Telecommunications Public Limited Company Measurement of signal 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
US6401819B1 (en) 1997-07-23 2002-06-11 Cleansorb Limited Methods for deposition of materials in underground reservoirs
WO2000022803A1 (en) * 1998-10-08 2000-04-20 British Telecommunications Public Limited Company Measurement of speech signal quality
NL1013044C2 (nl) * 1999-09-15 2001-03-16 Koninkl Kpn Nv Kwaliteitsmeting van spraaksignalen met echo-verstoring.
IL153419A0 (en) 2000-06-12 2003-07-06 British Telecomm In-service measurement of perceived speech quality by measuring objective error parameters
AU2002210964A1 (en) * 2000-11-01 2002-05-15 Genista Corporation Special signaling for perceptual qos measurement
EP1244312A1 (en) 2001-03-23 2002-09-25 BRITISH TELECOMMUNICATIONS public limited company Multimodal quality assessment
ATE429745T1 (de) 2001-09-11 2009-05-15 Psytechnics Ltd Verfahren und system zur messung der genauigkeit eines übertragungskanals
EP1376997A1 (en) * 2002-06-24 2004-01-02 Alcatel Method for testing and adapting an audio unit parameters to a telecommunication system
ATE324015T1 (de) * 2003-11-24 2006-05-15 Mitsubishi Electric Corp Verfahren zum simulieren eines mobilkommunikationsnetzes sowie simulationsgerät zur durchführung des verfahrens
DE102004009949B4 (de) 2004-03-01 2006-03-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes
ATE427624T1 (de) 2005-08-25 2009-04-15 Psytechnics Ltd Erzeugung von prufsequenzen zur sprachgutebeurteilung
US7698144B2 (en) 2006-01-11 2010-04-13 Microsoft Corporation Automated audio sub-band comparison
DE602006015328D1 (de) 2006-11-03 2010-08-19 Psytechnics Ltd Abtastfehlerkompensation
WO2010031109A1 (en) * 2008-09-19 2010-03-25 Newsouth Innovations Pty Limited Method of analysing an audio signal
JP5662712B2 (ja) * 2010-06-25 2015-02-04 日本板硝子環境アメニティ株式会社 音声変更装置、音声変更方法および音声情報秘話システム
JP5679475B2 (ja) * 2013-02-26 2015-03-04 日本電信電話株式会社 音量調整装置及び音量調整方法
DE102013005844B3 (de) * 2013-03-28 2014-08-28 Technische Universität Braunschweig Verfahren und Vorrichtung zum Messen der Qualität eines Sprachsignals
JP2016062034A (ja) * 2014-09-19 2016-04-25 トヨタ自動車株式会社 音声分析装置

Also Published As

Publication number Publication date
CA2277975C (en) 2001-11-20
ES2122021T3 (es) 1998-12-16
EP0856961B1 (en) 2007-05-09
JP4308278B2 (ja) 2009-08-05
JPH08501910A (ja) 1996-02-27
EP0647375A1 (en) 1995-04-12
HK1014403A1 (en) 1999-09-24
EP0647375B1 (en) 1998-10-14
CA2137005A1 (en) 1994-01-06
DE69334139D1 (de) 2007-06-21
JP2007143202A (ja) 2007-06-07
DE69334139T2 (de) 2008-01-10
CA2137005C (en) 2000-05-23
AU4350093A (en) 1994-01-24
EP0856961A3 (en) 2000-09-13
JP3964456B2 (ja) 2007-08-22
CA2277975A1 (en) 1994-01-06
DE69321590D1 (de) 1998-11-19
WO1994000922A1 (en) 1994-01-06
DE69321590T2 (de) 1999-04-01
AU670950B2 (en) 1996-08-08
EP0856961A2 (en) 1998-08-05

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