| 摘要 |
PROBLEM TO BE SOLVED: To provide a speech recognition device in which a speaker can easily sensuously grasp how loudly the speaker needs to utter from the relation with an ambient noise level. SOLUTION: The speech recognition device which recognizes a user's utterance speech is equipped with an utterance section detecting means of detecting utterance sections intermittently inputted to a microphone 40, a speaking loudness calculating means of calculating speaking loudness on the basis of a sound in a detected utterance section, a noise loudness calculating means of calculating noise loudness on the basis of a sound outside the detected utterance section, and a display means of contrasting and displaying the calculated speaking loudness and noise loudness. COPYRIGHT: (C)2006,JPO&NCIPI
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