A HDTV HAVING PIP FUNCTION

摘要

The present invention relates to an HDTV having a PIP function, and unlike the main video decoder, by reconstructing a low-resolution intra frame only image to implement a PIP image, the purpose of the present invention is to provide an HDTV with less memory and a cost-saving PIP function. There is this.;In order to achieve the above object, an HDTV having a PIP function according to the present invention includes a first tuner and a channel decoder unit and a first depacketizer unit for receiving a PIP video signal from an antenna, a second tuner for receiving a main video signal from an antenna; A PIP decoder which applies a video bit stream of the channel decoder unit and the second depacketizer unit, a video bit stream of the first depacketizer unit to restore only the infra frame to the PIP image, and a video bit stream of the second packetizer unit. And a first multiplexer for combining the output of the PIP decoder unit and the main video decoder unit.