ATE457555T1 - Messung der wahrnehmungsqualität von sprachsignalen mit echostörungen - Google Patents

Messung der wahrnehmungsqualität von sprachsignalen mit echostörungen

Info

Publication number
ATE457555T1
ATE457555T1 AT00967661T AT00967661T ATE457555T1 AT E457555 T1 ATE457555 T1 AT E457555T1 AT 00967661 T AT00967661 T AT 00967661T AT 00967661 T AT00967661 T AT 00967661T AT E457555 T1 ATE457555 T1 AT E457555T1
Authority
AT
Austria
Prior art keywords
signal
measuring
perceptual quality
speech
echostic
Prior art date
Application number
AT00967661T
Other languages
English (en)
Inventor
John Beerends
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 ATE457555T1 publication Critical patent/ATE457555T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/493—Testing echo effects or singing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
AT00967661T 1999-09-15 2000-09-08 Messung der wahrnehmungsqualität von sprachsignalen mit echostörungen ATE457555T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1013044A NL1013044C2 (nl) 1999-09-15 1999-09-15 Kwaliteitsmeting van spraaksignalen met echo-verstoring.
PCT/EP2000/008884 WO2001020804A1 (en) 1999-09-15 2000-09-08 Measuring the perceptual quality of speech signals including echo disturbances

Publications (1)

Publication Number Publication Date
ATE457555T1 true ATE457555T1 (de) 2010-02-15

Family

ID=19769872

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00967661T ATE457555T1 (de) 1999-09-15 2000-09-08 Messung der wahrnehmungsqualität von sprachsignalen mit echostörungen

Country Status (7)

Country Link
EP (1) EP1216519B1 (de)
AT (1) ATE457555T1 (de)
AU (1) AU7775500A (de)
DE (1) DE60043820D1 (de)
ES (1) ES2339739T3 (de)
NL (1) NL1013044C2 (de)
WO (1) WO2001020804A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2137005C (en) * 1992-06-24 2000-05-23 Michael P. Hollier Method and apparatus for objective speech quality measurements of telecommunication equipment
US5548642A (en) * 1994-12-23 1996-08-20 At&T Corp. Optimization of adaptive filter tap settings for subband acoustic echo cancelers in teleconferencing
SE505150C3 (sv) * 1995-10-18 1997-08-04 Ericsson Telefon Ab L M Adaptivt ekoslaeckningsfoerfarande av dubbelfiltertyp
EP0972357A2 (de) * 1998-01-30 2000-01-19 Koninklijke Philips Electronics N.V. Verfahren zum unterdrücken von echos in einem nachrichtenübertragungssystem, und funkbasisstation eines schnurlosen telefongeräts

Also Published As

Publication number Publication date
ES2339739T3 (es) 2010-05-25
AU7775500A (en) 2001-04-17
NL1013044C2 (nl) 2001-03-16
DE60043820D1 (de) 2010-03-25
EP1216519A1 (de) 2002-06-26
WO2001020804A1 (en) 2001-03-22
EP1216519B1 (de) 2010-02-10

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