Audio system, in particular for motor vehicles
AssigneeDaimlerChrysler AG
InventorsRainer Albus, Norbert Niemczyk
Life of this patent
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Abstract
An audio system, in particular for motor vehicles, having a loudspeaker installation for supplying sound to an audio chamber and a control unit with a signal detection unit for receiving microphone signals from at least one microphone exposed to the audio chamber outputting the signal to an evaluation unit which extracts interference signals from the microphone signals. The control unit produces control signals on the basis of these interference signals in order to operate the loudspeaker installation. To reduce the complexity for installation of such an audio system, at least one tweeter is connected in the loudspeaker installation as a microphone.
Claims15
An audio system for a motor vehicle, comprising:
- a loudspeaker installation for supplying sound to an audio chamber;
- a control unit including a signal detection unit receiving microphone signals from at least one microphone exposed to said audio chamber and outputting said received microphone signals to an evaluation unit which extracted interference signals from said microphone signals, said control unit providing control signals as a function of said extracted interference signals in order to operate said loudspeaker installation;
- said loudspeaker installation including at least one tweeter configured as said at least one microphone.
A motor vehicle audio system including a loudspeaker installation and a control unit, said loudspeaker installation including at least one tweeter configured as a microphone for a first frequency range and as a loudspeaker tweeter for a second frequency range wherein first frequency range is less than said second frequency range and wherein the control unit includes a means for receiving microphone signals from said tweeter and a means for extracting interference signals from said microphone signals to provide control signals as a function of said interference signals in order to operate said loudspeaker installation.
Dependencies are inferred from the claim text.