VOICE RECOGNITION METHOD AND VOICE RECOGNITION DEVICE

A controller acquires utterance content of a passenger in a vehicle; acquires an input operation signal generated by the passenger operating an operation input device of the vehicle; estimates a target constituent object, the target constituent object being a constituent object mentioned in the utterance content among a plurality of constituent objects constituting the vehicle, based on the utterance content and the input operation signal; and outputs information relating to the target constituent object.