| 摘要 |
PROBLEM TO BE SOLVED: To provide an audio equipment capable of preventing speech recogni tion rate from lowering and capable of clearly hearing speech guide information by means of speech synthesis. SOLUTION: This audio equipment 1 provided with at least one piece of speakers A, B, C, and D and using a speech recognition device or a speech synthesizer 2 is provided with a volume control means which performs a control so that the volume of at least a speaker A existing in the vicinity of the user of the speech recognition device or the speech synthesizer is reduced at the time of using the speech recognition device or the speech synthesizer 2. |
