(19)
(11) EP 0 834 229 A1

(12)

(43) Date of publication:
08.04.1998 Bulletin 1998/15

(21) Application number: 97915886.0

(22) Date of filing: 18.03.1997
(51) International Patent Classification (IPC): 
G06F 3/ 16( . )
G10K 15/ 02( . )
H04L 29/ 06( . )
H04M 3/ 493( . )
H04M 7/ 00( . )
G06F 13/ 00( . )
G10L 13/ 02( . )
H04M 3/ 42( . )
H04M 11/ 08( . )
(86) International application number:
PCT/US1997/003690
(87) International publication number:
WO 1997/040611 (30.10.1997 Gazette 1997/46)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 22.04.1996 US 19960635801

(71) Applicant: AT&T Corp.
New York, NY 10013-2412 (US)

(72) Inventors:
  • BENEDIKT, Michael, Abraham
    Chicago, IL 60657 (US)
  • LADD, David, Alan
    Downers Grove, IL 60515 (US)
  • RAMMING, James, Christopher
    Menlo Park, CA 94025 (US)
  • REHOR, Kenneth, G.
    Berwyn, IL 60402 (US)
  • TUCKEY, Curtis, Duane
    Chicago, IL 60657 (US)

(74) Representative: Harding, Richard Patrick, et al 
Marks & Clerk, Nash Court, Oxford Business Park South
Oxford OX4 2RU
Oxford OX4 2RU (GB)

   


(54) METHOD AND APPARATUS FOR INFORMATION RETRIEVAL USING AUDIO INTERFACE