Patent ID: 6175387
Filing Date: 2001-01-16
Classification: H04N

Abstract:
A system for converting a video received by a digital TV comprising:a pretreater receiving a video of a first format and a video of a second format, converting the video of a second format into the first format; said pretreater selecting and outputting the video of a first format or the converted video of a second format, according to the input format;a PIP scaler receiving the selected video of a first format or the converted video of a second format from said pretreater; said PIP scaler scaling the received video and outputting a scaled video of a first format or a scaled converted video of a second format;a sync converter receiving the sync signals of the video of the first format and the second format; said sync converter adjusting the sync signal of the video of the second format to correspond to the sync signal of the video of the first format and outputting the sync signal of the video of the first format and a converted sync signal of the video of the second video format;a selector receiving the display format and the outputs from said pretreater and said PIP scaler; said display processor selecting and outputting one of the video of the first format, converted video of the second format, scaled video of the first format, or scaled video of the second format; anda display processor receiving the display format, the input format, the selected video from said selector and the sync signals from said sync converter; said display processor displaying the selected video with respect to the received sync signals according to the display format.