EP 1021805 B1 20011107 - METHOD AND APPARATUS FOR CONDITIONING A DIGITAL SPEECH SIGNAL
Title (en)
METHOD AND APPARATUS FOR CONDITIONING A DIGITAL SPEECH SIGNAL
Title (de)
VERFAHREN UND VORRICHTUNG ZUR VERBESSERUNG EINES DIGITALEN SPRACHSIGNALS
Title (fr)
PROCEDE ET DISPOSITION DE CONDITIONNEMENT D'UN SIGNAL DE PAROLE NUMERIQUE
Publication
Application
Priority
- FR 9801978 W 19980916
- FR 9711641 A 19970918
Abstract (en)
[origin: FR2768545A1] Putting several samples through discreet Fourier transform process and estimating tonal frequency along with its harmonics.
IPC 1-7
IPC 8 full level
G10L 21/02 (2013.01); G10L 19/02 (2013.01); G10L 21/0232 (2013.01); G10L 25/78 (2013.01); G10L 25/93 (2013.01)
CPC (source: EP US)
G10L 21/0364 (2013.01 - EP US); G10L 19/0212 (2013.01 - EP US); G10L 21/0232 (2013.01 - EP US); G10L 25/78 (2013.01 - EP US); G10L 25/93 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
FR 2768545 A1 19990319; FR 2768545 B1 20000713; AU 9168798 A 19990405; CA 2304013 A1 19990325; DE 69802431 D1 20011213; DE 69802431 T2 20020718; EP 1021805 A1 20000726; EP 1021805 B1 20011107; US 6775650 B1 20040810; WO 9914744 A1 19990325
DOCDB simple family (application)
FR 9711641 A 19970918; AU 9168798 A 19980916; CA 2304013 A 19980916; DE 69802431 T 19980916; EP 98943997 A 19980916; FR 9801978 W 19980916; US 50914600 A 20000602