The present invention relates to a device for extracting a facial expression of a sender in a three-dimensional model-based coding system. A headphone section having a contact sensor for measuring a vibration varying according to the head, a headphone extending from the headphone section, spaced apart from the sender's mouth, taking a picture of the sender's mouth, and detecting a pronounced sound of the sender The microphone unit includes a microphone unit including a microphone, and the microphone unit further includes a red filter disposed in front of the camera to make the red part of the lips of the sender stand out more, such as lips image, eye movement, and voice change. The facial expression of the sender can be extracted.
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