1. A speech recognition apparatus comprising: a speech input unit configured to receive an input of a speech utterance; a keyword recognition unit configured to recognize a plurality of keywords included in the speech utterance as a recognition result using a processor; a presentation unit configured to present the recognition result; a correction input unit configured to receive a correction input for the recognition result; a correction unit configured to correct the recognition result based on the correction input to create a correction result; a dictionary generation unit configured to generate a standby-word dictionary as a union of recognition target vocabulary elements including the plurality of keywords corrected by the correction unit for recognizing the speech utterance; and a speech utterance recognition unit configured to recognize the speech utterance using the standby-word dictionary.
1. A speech recognition apparatus comprising: a speech input unit configured to receive an input of a speech utterance; a keyword recognition unit configured to recognize a plurality of keywords included in the speech utterance as a recognition result using a processor; a presentation unit configured to present the recognition result; a correction input unit configured to receive a correction input for the recognition result; a correction unit configured to correct the recognition result based on the correction input to create a correction result; a dictionary generation unit configured to generate a standby-word dictionary as a union of recognition target vocabulary elements including the plurality of keywords corrected by the correction unit for recognizing the speech utterance; and a speech utterance recognition unit configured to recognize the speech utterance using the standby-word dictionary. 6. The speech recognition apparatus according to claim 1 wherein the presentation unit is configured to select at least two keywords based on a similarity of acoustic features from among the recognition result and to present the selected keywords.