Hands-Free Phone System: Component Description

PARTS DESCRIPTION

Part name	Description
Audio unit	Receives telephone voice signal from Bluetooth control unit Sends telephone voice and voice guidance signals to the speakers
Audio amp.	Receives audio signals from the audio unit Outputs amplified audio signals to the speakers.
Front door speaker	Receives telephone voice and voice guidance signals from the audio amp.
Front tweeter
Steering wheel audio control switches	Start a voice recognition session Answer and end telephone calls Adjust the volume level
Microphone	Sends voice signals to Bluetooth control unit
Bluetooth control unit	Controls hands-free phone functions
Bluetooth antenna	Sends telephone voice signal to Bluetooth control unit