EP 1538867 A1 20050608 - Handsfree system for use in a vehicle
Title (en)
Handsfree system for use in a vehicle
Title (de)
Freisprechanlage für ein Kraftfahrzeug
Title (fr)
Système mains libres utilisé dans un véhicule
Publication
Application
Priority
- EP 03022273 A 20031001
- EP 03014846 A 20030630
Abstract (en)
The invention is directed to a handsfree system for use in a vehicle, comprising a microphone array with at least two microphones, a signal processing means, and an adaptive post-filter, the signal processing means comprising a beamformer having an input connected to the at least two microphones and an output connected to the input of the adaptive post-filter. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP)
H04R 1/406 (2013.01); H04R 3/005 (2013.01); H04R 2430/23 (2013.01); H04R 2499/13 (2013.01)
Citation (search report)
- [XY] WO 03015464 A2 20030220 - DSP FACTORY LTD [CA], et al
- [Y] US 5715319 A 19980203 - CHU PETER L [US]
- [Y] US 5835607 A 19981110 - MARTIN RAINER [DE], et al
- [X] WO 0184881 A1 20011108 - FRANCE TELECOM [FR], et al
Designated contracting state (EPC)
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
DOCDB simple family (publication)
DOCDB simple family (application)
EP 03022273 A 20031001