Automotive audio controller with vibration sensor

Details Automotive audio controller with vibration sensor Automotive audio controller with vibration sensor

H - Electricity

03

H

H03H 1/00 (2006.01) B60R 11/02 (2006.01) B60R 16/02 (2006.01) G10K 11/00 (2006.01) H03G 3/32 (2006.01) H04R 3/00 (2006.01) H04R 3/04 (2006.01) H04R 29/00 (2006.01)

Patent

CA 2482223

An automotive audio controller is provided for receiving an audio signal from an audio source and providing a filtered audio signal that may help compensate for ambient noise in the automobile. The audio controller may have a vibration sensor that generates a vibration signal indicative of vibrations in the automobile. A dynamic filter of the audio controller may receive the vibration signal and the audio signal, and change the gain level and/or tone of the audio signal based on the vibration signal to generate the filtered audio signal. The audio controller also may receive a speed signal, and change the gain level azldlor tone of the audio signal based on the speed signal to generate the filtered audio signal.

La présente invention décrit un contrôleur audio d'automobile pour la réception d'un signal audio provenant d'une source audio, qui émet un signal audio filtré qui peut contribuer à la compensation pour les bruits ambiants dans le véhicule automobile. Le contrôleur audio peut comporter un détecteur de vibrations qui génère un signal indiquant la présence de vibrations à bord du véhicule automobile. Un filtre dynamique du contrôleur audio peut recevoir le signal de vibration et le signal audio, et modifier le taux de gain et/ou le ton du signal audio en fonction du signal de vibration afin de générer de signal audio filtré. Le contrôleur audio peut également recevoir un signal de vitesse et modifier le niveau de gain pour le ton du signal audio en fonction du signal de vitesse pour générer le signal audio filtré.

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