speech recognition apparatus and method thereof

The voice recognition control method is disclosed. Voice recognition control method, when the Web page is selected, by the step of extracting the artifact property keywords by crawling (crawling) the web page, the vocabulary dictionary with a plurality of vocabularies registered adding the issue St. keyword updating the vocabulary dictionary stage, when the user's speech utterance is input to, by performing a search in accordance with step, and the recognition result of recognizing the speech utterance based on the updated lexicon dictionary, and a step of displaying a search result.