Similar to a personal computer, the Car Information Computer contains a processor, RAM
modules (= main memory) and extra peripheral components.
The following applications of the CIC are stored on the integrated hard disk:
• Music collection
• Music track database (Gracenote
®
)
• Navigation software (application)
• Navigation map material
• iSpeech (voice recognition system)
• Contacts (database with address book data)
The CIC is the central control unit for the listed applications. It is linked to the central
information display (CID) for the purpose of transmitting and displaying information.
The Car Information Computer is also connected to the controller. The controller serves
as a selection and input device for the user interface.
The CIC is based on a modular design. The most important systems of the communica-
tion network are integrated in the CIC board as solid state components.
The CIC combines the following control units in one enclosure:
• Navigation computer, HIP module and yaw rate sensor
• Tuner (FM)
• Tuner (AM)
• Tuner (FM-RTTI)
• IBOC decoder
• Audio system controller, and music search database
• MOST-CAN gateway
• Interface to control display (LVDS)
The upper half of the CIC consists of the optical drive player where CDs and DVDs of
digital audio media can be played. The player also has ability to playback video DVDs on
the front CID. The video signal is only displayed when the vehicle is stationary with the
gear selection in the “Park” postilion.
52
F01 Audio Systems
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