APPRATUS AND METHOD FOR SUPPORTING SCALABILITY SCHEME IN A VIDEO TELEPHONY SYSTEM

摘要

PURPOSE: An apparatus and a method for supporting a scalability technique in a video call system without mounting a DSP chip in a complex terminal are provided to supply the video call system applying the scalability technique by utilizing video encoders included in a modem chip and a PCA chip. CONSTITUTION: A first video encoder generates an enforcement layer bit string for a high-resolution video. A second video encoder generates a basic layer bit string for a low resolution moving picture. A controller offers the enforcement layer bit string to a modem chip(250). A communication device transmits the enforcement layer bit string and the basic layer bit string. An image processor(230) generates high definition moving-picture data and low resolution moving-picture data.