Patent ID: 8407047

Claim:
A guidance information display device comprising: a voice input unit for inputting voice; a display unit for displaying guidance information; an operation unit for accepting operation; a processor capable of executing the following processes of: performing voice recognition based on inputted voice in the voice input unit; calculating an evaluation value for a recognition result of voice recognition; reading out guidance information from a storage unit, which stores the guidance information corresponding to the recognition result, and displaying the guidance information at the display unit; deciding a display mode of the guidance information at the display unit based on a variable value, which varies with an operation from the operation unit for the displayed guidance information, and the calculated evaluation value: changing the variable value for guidance information displayed at the display unit when an operation for said guidance information is accepted from the operation unit; and reading out a given number of times from the storage unit; counting the number of times that the calculated evaluation value of the recognition request is smaller than the variable value; determining whether the counted number of times is larger than or equal to the given number of times; increasing the variable value when the counted number of times is larger than or equal to the given number of times; and storing the changed variable value in the storage unit in accordance with the guidance information.