| 摘要 |
PROBLEM TO BE SOLVED: To surely provide voice guide without disturbing an audition or the like compared with a prior art, for example, when applied for a car navigation system. SOLUTION: An interruption of an audio signal is indicated at a request point of the voice guide set on this side of a guide point, residual distance up to the guide point is updated sequentially thereafter, and the interruption of the audio signal is detected to provide guide by voice, based on the residual distance. COPYRIGHT: (C)2005,JPO&NCIPI |
