Before revision:  In the PROMPT Database, our method yields the accuracy of 74.7\% using 4 seconds of speech data and it improves to 79.0 \% when we use 5 minutes of speech data.
After revision:  In the PROMPT Database, our method yields the accuracy of 74.7\% using 4 seconds of speech data and it improves to 80.8 \% when we use 5 minutes of speech data.