(19)
(11) EP 1 483 591 A2

(12)

(88) Date of publication A3:
08.04.2004

(43) Date of publication:
08.12.2004 Bulletin 2004/50

(21) Application number: 03750019.6

(22) Date of filing: 05.03.2003
(51) International Patent Classification (IPC)7G01R 1/00
(86) International application number:
PCT/US2003/006893
(87) International publication number:
WO 2003/096031 (20.11.2003 Gazette 2003/47)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(30) Priority: 05.03.2002 US 361981 P
05.03.2002 US 362103 P
05.03.2002 US 362161 P
05.03.2002 US 362162 P
05.03.2002 US 362170 P

(71) Applicant: Aliphcom
Brisbane, CA 94005 (US)

(72) Inventors:
  • BURNETT, Gregory, C.
    Livermore, CA 94550 (US)
  • PETIT, Nicolas, J.
    San Francisco, CA 94123 (US)
  • ASSEILY, Alexander, M.
    San Francisco, CA 94115 (US)
  • EINUADI, Andrew, E.
    San Francisco, CA 94117 (US)

(74) Representative: Harris, Ian Richard et al
D Young & Co120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) VOICE ACTIVITY DETECTION (VAD) DEVICES AND METHODS FOR USE WITH NOISE SUPPRESSION SYSTEMS