(19)
(11) EP 1 190 417 A1

(12)

(43) Date of publication:
27.03.2002 Bulletin 2002/13

(21) Application number: 00927504.1

(22) Date of filing: 05.05.2000
(51) International Patent Classification (IPC)7G10L 21/02, G10L 15/20
(86) International application number:
PCT/GB0001/715
(87) International publication number:
WO 0068/936 (16.11.2000 Gazette 2000/46)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.05.1999 GB 9910448

(71) Applicant: Imagination Technologies Limited
Kings Langley,Hertfordshire WD4 8LZ (GB)

(72) Inventors:
  • CAREY, Michael, John
    Chepstow NP6 6PB (GB)
  • TATTERSALL, Graham, David
    Saxmudham,Suffolk IP17 1PH (GB)

(74) Representative: Dunlop, Brian Kenneth Charles et al
c/o Wynne-Jones, Lainé & James22 Rodney Road
CheltenhamGloucestershire GL50 1JJ
CheltenhamGloucestershire GL50 1JJ (GB)

   


(54) CANCELLATION OF NON-STATIONARY INTERFERING SIGNALS FOR SPEECH RECOGNITION