| 摘要 |
PURPOSE: A sound field correction apparatus is provided to correct a distortion phenomenon of an audio system output varying according to the speed of a vehicle. CONSTITUTION: A correction data storing part(30) stores sound field correction data according to the speed of a vehicle. A speed detection sensor(20) detects the speed of the vehicle. An equalizer part(40) controls a frequency of an output sound signal. And a control part(10) controls the frequency control of the equalizer part according to the correction data by detecting the speed of the vehicle in the speed detection sensor.
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