1. A voice recognition apparatus comprising: a determination unit configured to determine whether a component with a frequency of not less than 1000 Hz and with a level not lower than a predetermined level is included in a sound input from a plurality of microphones; an estimating unit configured to estimate a sound source direction of the sound when the determination unit determines that the component is included in the sound; and a voice recognition unit configured to recognize whether the sound obtained in the sound source direction coincides with a voice model registered beforehand.