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Method and system for improving communication in a vehicle
   
Document Number
US Patent 7415116
Issued Date
August 19, 2008
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Abstract
An embodiment and/or method to improve communication in a vehicle. Voice signals of the occupants of a vehicle may be picked up on an individual basis via separately arranged microphones. The individually picked-up voice signals may then be amplified separately for each occupant in an input stage and filtered for purposes of minimizing interference levels and for frequency adaptation. The signals may be subjected in a process stage to a signal processing that may be specific to each output channel, in the form of a delay correction and a level differentiation. And, via an adaptation stage having a level adaptation, the signals may then be distributed to likewise separately assigned loudspeakers, in accordance with the spatial conditions of the vehicle and the desired loudness level. The embodiment and/or method may be effectively used in passenger cars, larger vehicles including multimedia buses and trucks, ships, trains and airplanes/airborne spaces.
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Number of Claims:
9
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Owner
Published
August 19, 2008
Application Number
10/148,433
Filed
November 9, 2000
US Classification
381/86   381/110
Int'l Classification
H04B   1/00   (20060101)   H03G   3/20   (20060101)   H04R   3/00   (20060101)  
Examiner
Attorney/Law Firm
Priority Data
Nov 29, 1999 [DE] 199 58 836
USPTO Field of Search
381/86   381/71.4   381/77   381/79   381/91   381/110   381/102   381/104   381/107   455/345  
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