Patent Document ID: 8315868
Application ID: 12516161

Base Claim:
1. A vehicle-mounted voice recognition apparatus comprising: a voice input unit for acquiring an inputted voice; a voice recognition unit for performing voice recognition on said acquired inputted voice; a guidance information output unit for providing a guidance on a basis of a result of said voice recognition; and a guidance description determining unit for determining a user's degree of understanding of recognized words to said guidance according to a number of timeout times that a timeout has occurred in a user's operation which is monitored while said voice recognition unit performs the voice recognition, a number of correction times that a correction has been made to the user's operation, or both of the number of timeout times and the number of correction times so as to change said guidance.

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Claim 9:
9. The vehicle-mounted voice recognition apparatus according to claim 1 , wherein said guidance information output unit sets a sound volume of a portion showing words to be uttered included in said voice guidance to be variable on a basis of the user's degree of understanding of recognized words which is determined by said recognized word understanding degree determining unit.