FR2822999B1 - Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques - Google Patents

Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques

Info

Publication number
FR2822999B1
FR2822999B1 FR0104194A FR0104194A FR2822999B1 FR 2822999 B1 FR2822999 B1 FR 2822999B1 FR 0104194 A FR0104194 A FR 0104194A FR 0104194 A FR0104194 A FR 0104194A FR 2822999 B1 FR2822999 B1 FR 2822999B1
Authority
FR
France
Prior art keywords
communications network
telephone communications
speech timer
centralized
correction
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0104194A
Other languages
English (en)
Other versions
FR2822999A1 (fr
Inventor
Gael Mahe
Andre Gilloire
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Priority to FR0104194A priority Critical patent/FR2822999B1/fr
Priority to PCT/FR2002/001022 priority patent/WO2002077977A1/fr
Publication of FR2822999A1 publication Critical patent/FR2822999A1/fr
Application granted granted Critical
Publication of FR2822999B1 publication Critical patent/FR2822999B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
FR0104194A 2001-03-28 2001-03-28 Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques Expired - Fee Related FR2822999B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0104194A FR2822999B1 (fr) 2001-03-28 2001-03-28 Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques
PCT/FR2002/001022 WO2002077977A1 (fr) 2001-03-28 2002-03-25 Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0104194A FR2822999B1 (fr) 2001-03-28 2001-03-28 Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques

Publications (2)

Publication Number Publication Date
FR2822999A1 FR2822999A1 (fr) 2002-10-04
FR2822999B1 true FR2822999B1 (fr) 2003-07-04

Family

ID=8861648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0104194A Expired - Fee Related FR2822999B1 (fr) 2001-03-28 2001-03-28 Procede et dispositif de correction centralisee du timbre de la parole sur un reseau de communications telephoniques

Country Status (2)

Country Link
FR (1) FR2822999B1 (fr)
WO (1) WO2002077977A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2848715B1 (fr) * 2002-12-11 2005-02-18 France Telecom Procede et systeme de correction multi-references des deformations spectrales de la voix introduites par un reseau de communication

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5896449A (en) * 1993-12-02 1999-04-20 Alcatel Usa Sourcing L.P. Voice enhancement system and method
US5915235A (en) * 1995-04-28 1999-06-22 Dejaco; Andrew P. Adaptive equalizer preprocessor for mobile telephone speech coder to modify nonideal frequency response of acoustic transducer
FR2766604B1 (fr) * 1997-07-22 1999-10-01 France Telecom Procede et dispositif d'egalisation aveugle des effets d'un canal de transmission sur un signal de parole numerique
DE19852091C1 (de) * 1998-11-12 2000-05-25 Deutsche Telekom Mobil Verfahren und Einrichtung zur Verbesserung der Audioqualität in einem Mobilfunknetz

Also Published As

Publication number Publication date
FR2822999A1 (fr) 2002-10-04
WO2002077977A1 (fr) 2002-10-03

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Effective date: 20121130