Car audio with real speaker sound display function

摘要

The present invention relates to a car audio provided with a real speaker sound display function and includes an A / D converter which is connected to an input terminal of a speaker and converts an analog voice signal emitted through the speaker into a digital signal, A graphic equalizer connected to one end of the graphic equalizer and dividing a voice frequency band input from the A / D converter into a plurality of bands and displaying frequency characteristics within the divided frequency band in graphic form; And an LCD for displaying a voice signal for each band in accordance with a display control signal, and displaying a level signal of a speaker sound inputted through the A / D converter in a graphic LCD, thereby recognizing an accurate speaker sound through a graphic LCD This improves the operating characteristics of the car audio system. So that the number as well as a simple circuit configuration in an optimal speaker sound control are executed so that the improved functionality of the yiettara system.