An exemplary embodiment of the present invention may be applied to an audio signal processing apparatus including an oscillation unit for generating a set reference operation frequency, an encoding unit for encoding a sound according to the generated set reference operation frequency and outputting a signal encoded by the sound, A first output line and a second output line are used to apply a positive voltage to the first output line when the signal encoded by the input sound is a first set sign signal and to output a second output line Grounding the first output line and applying a positive voltage to the second output line when the signal encoded by the input sound is the set second sign signal to transmit the positive voltage to the polarity of the voltage, A first electrode connected to the pair of first output lines and a second electrode connected to the second output line, and the second electrode connected to the second output line, In response to the signal providing operation by the voltage polarity using the first output line and the second output line through the first electrode and the second electrode, the signal encoded by the sound by the switching unit is converted according to the polarity of the voltage A human body communication current generated when a signal transmitted to the human body through the electrode unit is supplied to a human body part of the electrocardiogram along the surface of the human body is used as a potential difference at the human body mounting point of the currently used electrocardiograph The present invention relates to an electrocardiogram collecting unit for collecting electrocardiogram pulses corresponding to a human body installation point of an electrocardiogram acquisition apparatus and a control unit for controlling the respective units, In order to overcome the frequent disconnection phenomenon, Kim does not transmit data.실시예는 설정 기준 동작 주파수를 발생하는 발진부, 상기 발생된 설정 기준 동작 주파수에 따라 소리(sound)로 부호화하여 상기 소리에 의해 부호화된 신호를 출력
