| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an acoustic device capable of properly controlling volume in consideration of an audio source and situations inside and outside a moving body. <P>SOLUTION: The acoustic device includes a memory 5 for storing volume levels within a prescribed volume level range including appropriate volume levels in the respective situations inside and outside a present vehicle among the volume levels controlled by a user under the various situations inside and outside the present vehicle, as user setting values, corresponding to a music source for reproducing audio signals and condition items for stipulating the situations inside and outside the present vehicle. The user setting value corresponding to the condition items and the music source is read from the memory 5, and the volume on the output of the audio signals from a speaker 7 is controlled by the user setting value. <P>COPYRIGHT: (C)2013,JPO&INPIT |
