Audio system for motor vehicle, has control unit with module that is formed such that air conditioning system fan`s rotational speed rendering signal is detected as background noise rendering signal

摘要

The system has a control unit (2) with a module (3) that is formed such that an air conditioning system fan rotational speed rendering signal is detected as a background noise rendering signal. A data bus (7) is provided between the unit and a control device (8) that is attached to the air conditioning system. A window or sunroof opening level rendering signal is detected as the background noise rendering signal. The data bus is also provided between the unit and another control device (9) that is attached to the window or sunroof control.