Method and Navigation Terminal for Controlling Volume of Voice Guidance Message, and Navigation Service System therefor

摘要

A method and navigation terminal for controlling volume of voice guide message in driving, and navigation service system therefore are provided to increase the consciousness of driver, to drive safe in the high speed driving, and the special driving state like the sharp curve area driving. The method for controlling the volume of the voice guide message in driving is as follows. The volume control condition for adjusting the volume of the voice guide message in driving a vehicle is set up and stored in the memory(S101). The volume control condition The location of the vehicles, the speed and the driving state of the vehicles including the rotation angle are measured(S103). In the step(S105), a voice amount controller determines whether the voice volume is controlled or not. In the step(S107), a volume controller controls the volume of the voice guide message to be outputted according to the volume amount included in the volume control condition.