(19)
(11)
EP 1 038 350 A1
(12)
(43)
Date of publication:
27.09.2000
Bulletin 2000/39
(21)
Application number:
98963879.6
(22)
Date of filing:
11.12.1998
(51)
International Patent Classification (IPC)
7
:
H03G
3/00
(86)
International application number:
PCT/US9826/430
(87)
International publication number:
WO 9930/414
(
17.06.1999
Gazette 1999/24)
(84)
Designated Contracting States:
DE ES FR GB
(30)
Priority:
12.12.1997
US 989373
(71)
Applicant:
True Dimensional Sound, Inc.
Coral Gables,Florida 33146 (US)
(72)
Inventors:
GARCIA, Arturo, J.
Miami, FL 33146 (US)
GARCIA, Arturo, H.
Miami, FL 33134 (US)
(74)
Representative:
Ahmad, Sheikh Shakeel et al
David Keltie Associates,12 New Fetter Lane
London EC4A 1AG
London EC4A 1AG (GB)
(54)
APPARATUS AND METHODS FOR ENHANCING ELECTRONIC AUDIO SIGNALS