IT8767592A0 - Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce - Google Patents

Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce

Info

Publication number
IT8767592A0
IT8767592A0 IT8767592A IT6759287A IT8767592A0 IT 8767592 A0 IT8767592 A0 IT 8767592A0 IT 8767592 A IT8767592 A IT 8767592A IT 6759287 A IT6759287 A IT 6759287A IT 8767592 A0 IT8767592 A0 IT 8767592A0
Authority
IT
Italy
Prior art keywords
distortions
compensation
processing unit
connection
voice processing
Prior art date
Application number
IT8767592A
Other languages
English (en)
Other versions
IT1211194B (it
Inventor
Vittore Vittorelli
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT8767592A priority Critical patent/IT1211194B/it
Publication of IT8767592A0 publication Critical patent/IT8767592A0/it
Priority to EP88305591A priority patent/EP0298621B1/en
Priority to DE3886460T priority patent/DE3886460T2/de
Priority to US07/219,756 priority patent/US4847885A/en
Priority to JP63172491A priority patent/JPH0693715B2/ja
Application granted granted Critical
Publication of IT1211194B publication Critical patent/IT1211194B/it

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
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • 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
    • H04M3/40—Applications of speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/533—Voice mail systems
    • 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)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
IT8767592A 1987-07-10 1987-07-10 Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce IT1211194B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8767592A IT1211194B (it) 1987-07-10 1987-07-10 Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce
EP88305591A EP0298621B1 (en) 1987-07-10 1988-06-20 System for measuring and automatically compensating for the distortions of a connection between a telephone apparatus and a central voice processing unit
DE3886460T DE3886460T2 (de) 1987-07-10 1988-06-20 System zur Messung und automatischer Kompensation der Distorsionen von einer Verbindung zwischen einem Fernsprechapparat und einer zentralen Sprachverarbeitungseinheit.
US07/219,756 US4847885A (en) 1987-07-10 1988-07-08 System for measuring and automatically compensating for the distorsions of a connection between a telephone apparatus and a central voice processing unit
JP63172491A JPH0693715B2 (ja) 1987-07-10 1988-07-11 電話装置と中央音声処理装置間の接続部の歪みの測定及び自動補償システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767592A IT1211194B (it) 1987-07-10 1987-07-10 Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce

Publications (2)

Publication Number Publication Date
IT8767592A0 true IT8767592A0 (it) 1987-07-10
IT1211194B IT1211194B (it) 1989-10-12

Family

ID=11303697

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767592A IT1211194B (it) 1987-07-10 1987-07-10 Sistema di misura e compensazione automatica delle distorsioni di un collegamento tra un apparecchio telefonico e un unita centrale di trattamento voce

Country Status (5)

Country Link
US (1) US4847885A (it)
EP (1) EP0298621B1 (it)
JP (1) JPH0693715B2 (it)
DE (1) DE3886460T2 (it)
IT (1) IT1211194B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5280525A (en) * 1991-09-27 1994-01-18 At&T Bell Laboratories Adaptive frequency dependent compensation for telecommunications channels
AU667871B2 (en) * 1991-12-31 1996-04-18 Digital Sound Corporation Voice controlled messaging system and processing method
US5471527A (en) 1993-12-02 1995-11-28 Dsc Communications Corporation Voice enhancement system and method
DE4343366C2 (de) * 1993-12-18 1996-02-29 Grundig Emv Verfahren und Schaltungsanordnung zur Vergrößerung der Bandbreite von schmalbandigen Sprachsignalen
US5577117A (en) * 1994-06-09 1996-11-19 Northern Telecom Limited Methods and apparatus for estimating and adjusting the frequency response of telecommunications channels
US5907597A (en) * 1994-08-05 1999-05-25 Smart Tone Authentication, Inc. Method and system for the secure communication of data
US5752232A (en) * 1994-11-14 1998-05-12 Lucent Technologies Inc. Voice activated device and method for providing access to remotely retrieved data
EP0883959B1 (en) * 1996-02-29 2003-12-03 BRITISH TELECOMMUNICATIONS public limited company Apparatus and method of improving the qulality of speech signals transmitted over a telecommunications system
US6044147A (en) * 1996-05-16 2000-03-28 British Teledommunications Public Limited Company Telecommunications system
JPH1063293A (ja) * 1996-08-23 1998-03-06 Kokusai Denshin Denwa Co Ltd <Kdd> 電話音声認識装置
JPH10105191A (ja) * 1996-09-30 1998-04-24 Toshiba Corp 音声認識装置及びマイクロホン周波数特性変換方法
DE69823817T2 (de) * 1997-05-16 2005-04-14 British Telecommunications P.L.C. Prüfung von telekommunikationseinrichtungen
US5953700A (en) * 1997-06-11 1999-09-14 International Business Machines Corporation Portable acoustic interface for remote access to automatic speech/speaker recognition server
EP0920173A3 (en) * 1997-11-25 2002-05-08 AT&T Corp. Enhanced telecommunications network
EP1120752A1 (de) * 2000-01-24 2001-08-01 Franke & Co. Verwaltungs KG System zur Kontrolle von Zugangs- bzw. Zugriffsberechtigungen
US7047196B2 (en) * 2000-06-08 2006-05-16 Agiletv Corporation System and method of voice recognition near a wireline node of a network supporting cable television and/or video delivery
US7457750B2 (en) 2000-10-13 2008-11-25 At&T Corp. Systems and methods for dynamic re-configurable speech recognition
US8095370B2 (en) 2001-02-16 2012-01-10 Agiletv Corporation Dual compression voice recordation non-repudiation system
AUPR376201A0 (en) * 2001-03-16 2001-04-12 Telstra New Wave Pty Ltd Voip communication
US20030035533A1 (en) * 2001-08-14 2003-02-20 Sclater James Edward System and method for automatic gain and slope equalization provisioning of telephone transmission lines
US7092880B2 (en) * 2002-09-25 2006-08-15 Siemens Communications, Inc. Apparatus and method for quantitative measurement of voice quality in packet network environments
US7680250B1 (en) 2004-11-24 2010-03-16 Interactive Quality Services Interactive method and system of testing an automated call telephonic communication system
GB2476043B (en) * 2009-12-08 2016-10-26 Skype Decoding speech signals

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE930693C (de) * 1953-08-01 1955-07-21 Siemens Ag Einrichtung zur betriebsmaessigen Pruefung der elektrischen und akustischen UEbertragungseigenschaften des vollstaendigen Teil-nehmeranschlusses
US4097806A (en) * 1976-03-31 1978-06-27 Xerox Corporation Adaptive equalizer with improved distortion analysis
JPS5555629A (en) * 1978-10-18 1980-04-23 Saburo Tanaka Noise compensation system in audio signal intermittent transmission
US4401860A (en) * 1982-01-29 1983-08-30 Bell Telephone Laboratories, Incorporated Frequency signaling method and apparatus with dynamic compensation for frequency errors
JPS5928747A (ja) * 1982-08-09 1984-02-15 Nippon Telegr & Teleph Corp <Ntt> メツセ−ジ蓄積・交換システムの入出力管理方式
JPS607259A (ja) * 1983-06-27 1985-01-16 Nippon Telegr & Teleph Corp <Ntt> 音声処理交換方式
JPS60142664A (ja) * 1983-12-28 1985-07-27 Fujitsu Ltd 情報処理システム
US4580016A (en) * 1984-09-24 1986-04-01 Vmx, Inc. Method and apparatus for checking the integrity of a communications channel in a voice store and forward system
JPS61187424A (ja) * 1985-02-14 1986-08-21 Fujitsu Ltd 歪補償回路

Also Published As

Publication number Publication date
EP0298621B1 (en) 1993-12-22
DE3886460T2 (de) 1994-06-16
JPS6449361A (en) 1989-02-23
EP0298621A3 (en) 1990-03-21
US4847885A (en) 1989-07-11
JPH0693715B2 (ja) 1994-11-16
DE3886460D1 (de) 1994-02-03
IT1211194B (it) 1989-10-12
EP0298621A2 (en) 1989-01-11

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970730