| 摘要 |
A voice guidance system is provided in which the voice guidance is enabled to easily follow a trend of change intervals, a rapid change of change intervals, etc. in a menu operation. The voice guidance system is configured with an input analyzing unit which inputs and analyzes an operation instruction signal of a menu item, a voice guidance control unit which controls voice guidance of the menu item according to the analysis result by the input analyzing unit, and a textual guidance control unit which performs display control of the menu item according to the analysis result by the input analyzing unit. The voice guidance control unit determines reproduction speed of the voice guidance according to the analysis result, on the basis of a speed trend obtained from a speed history as a set of plural pieces of reproduction speed information. |
