Handsfree system for use in a vehicle

Details Handsfree system for use in a vehicle Handsfree system for use in a vehicle

2004-06-30

2010-11-02

Faulk, Devona E. (Department: 2614)

Electrical audio signal processing systems and devices

Directive circuits for microphones

C367S118000, C367S119000, C381S122000

Reexamination Certificate

active

07826623

ABSTRACT:
The invention is directed to a handsfree system for use in a vehicle comprising a microphone array with at least two microphones and a signal processing means wherein the signal processing means comprises the superdirective beamformer with fixed superdirective filters.

REFERENCES:
patent: 4696043 (1987-09-01), Iwahara et al.
patent: 5659619 (1997-08-01), Abel
patent: 5715319 (1998-02-01), Chu
patent: 6339758 (2002-01-01), Kanazawa et al.
patent: 6507659 (2003-01-01), Iredale et al.
patent: 6549627 (2003-04-01), Rasmusson et al.
patent: 6594367 (2003-07-01), Marash et al.
patent: 6748088 (2004-06-01), Schaaf
patent: 6836243 (2004-12-01), Kajala et al.
patent: 7076072 (2006-07-01), Feng et al.
patent: 7158643 (2007-01-01), Lavoie et al.
patent: 2003/0063759 (2003-04-01), Brennan et al.
patent: 2003/0072464 (2003-04-01), Kates
patent: 2004/0120532 (2004-06-01), Dedieu et al.
patent: WO 01/87011 (2001-11-01), None
Su, et al., “Performance Analysis of MVDR Algorithm in the Presence of Amplitude and Phase Errors”, IEEE 2001.

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