(19)
(11) EP 1 602 051 A2

(12)

(88) Date of publication A3:
06.10.2005

(43) Date of publication:
07.12.2005 Bulletin 2005/49

(21) Application number: 04716869.5

(22) Date of filing: 03.03.2004
(51) International Patent Classification (IPC)7G06F 17/60
(86) International application number:
PCT/US2004/006334
(87) International publication number:
WO 2004/079929 (16.09.2004 Gazette 2004/38)
(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 PL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 03.03.2003 US 450696 P
02.04.2003 US 459273 P
30.05.2003 US 474207 P
30.12.2003 US 747699
30.12.2003 US 747694

(71) Applicant: America Online, Inc.
Dulles, VA 20166 (US)

(72) Inventors:
  • APPELMAN, Barry
    McLean, VA 22101 (US)
  • MURPHY, Stephen, Vaughan
    Halifax, NS B3H 4A8 (CA)

(74) Representative: Howe, Steven 
Lloyd Wise Commonwealth House, 1-19 New Oxford Street
London WC1A 1LW
London WC1A 1LW (GB)

   


(54) SOURCE AUDIO IDENTIFIERS FOR DIGITAL COMMUNICATIONS