A voice recognition device includes a memory and a processor. The processor is configured to store in the memory, digital voice data corresponding to a voice signal input from a voice input unit, recognize a spoken voice utterance from the voice data after a voice input start instruction is received, determine whether to correct the recognition result of the spoken voice utterance based on a time interval from a time when the voice input start instruction is received to a time when the voice signal is input via the voice input unit, and correct the recognition result of the voice utterance based on the time interval.