(19)

(11)

EP 0 750 778 A1

(12)

(43) Date of publication: 02.01.1997 Bulletin 1997/01 (21) Application number: 95911420.0 (22) Date of filing: 17.03.1995

(51) International Patent Classification (IPC):  G10L 13/ 04( . ) (86) International application number: PCT/GB1995/000588 (87) International publication number: WO 1995/026024 (28.09.1995 Gazette 1995/41)

(84) Designated Contracting States: BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 18.03.1994 EP 19940301953 (71) Applicant: BRITISH TELECOMMUNICATIONS public limited company London EC1A 7AJ (GB)	(72) Inventor: LOWRY, Andrew Suffolk IP2 0AD (GB) (74) Representative: Lloyd, Barry George William, et al  BT Group Legal Services, Intellectual Property Department, 8th Floor, Holborn Centre, 120 Holborn London EC1N 2TE London EC1N 2TE (GB)