Play a sound physical and mental stability , and a mobile communication terminal capable of driving the gwangangyeong begins. Mobile communication terminal according to the present invention includes a memory having a physically and mentally stable sound file , and an audio processor for generating an analog audio signal to the mental and physical stability sound files , the audio processor is output to the output signal level of the audio processor , having a real-time detection of the level detector , and a pulse generator for generating a pulse gain is variable depending on the detection result of the level detector , and the pulse is provided to the light emitting gwangangyeong which corresponds to the output level of the audio signal is to emit a gwangangyeong .
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