PROBLEM TO BE SOLVED: To reduce unpleasant feelings felt by an operator even in the case of judging that voice recognition is impossible successively over two or more times. SOLUTION: A voice recognition propriety judgment part 21 of a voice recognition device 11 judges whether or not performance of a voice recognition processing is possible. When it is judged that the performance of the voice recognition processing is impossible, a recognition impossible time response change performance part 22 outputs a response message made different corresponding to the number of times of impossibility judgment and factors of the impossibility judgment, etc., from a speaker 13. When it is judged that the performance of the voice recognition processing is possible, a recognition processing part 23 performs the voice recognition processing to voice input from a microphone 12 and outputs a recognized result to other control units. A cancellation time change performance part 24 outputs the response message made different corresponding to the number of times of cancellation from the speaker 13 at the time of abandoning the recognized result at present and newly performing a recognition processing in the case that the recognized result in the recognition processing part 23 is different from the voice input or the like.
ON-VEHICLE VOICE RECOGNITION DEVICE