17. The speech recognition apparatus according to claim 15 , wherein the terminal is further configured to: refer to the confusion information based on a recognition result of a speech uttered by a user; and correct the recognition result based on the referred confusion information.
17. The speech recognition apparatus according to claim 15 , wherein the terminal is further configured to: refer to the confusion information based on a recognition result of a speech uttered by a user; and correct the recognition result based on the referred confusion information. 18. The speech recognition apparatus according to claim 17 , wherein the terminal is further configured to: refer to confusion information based on a recognition result of a speech uttered by a user; add, when the referred confusion information includes a word having a tendency to cause a recognition error, the word having a tendency to cause a recognition error to the recognition result; determine a score of the word having a tendency to cause a recognition error based on the confusion score; and change the recognition result to be output based on the determined score of the word.