Patent ID: 6697124
Filing Date: 2004-02-24
Classification: H04N

Abstract:
A television receiver having a picture-in-picture (PIP) functionality, said television receiver comprising:a main video path including an input for receiving a main video signal, and a main video signal processing circuit for processing the main video signal in the main video path; an auxiliary video path including an auxiliary input for receiving an auxiliary video signal, and an auxiliary video signal processing circuit for sub-sampling and processing the auxiliary video signal in the auxiliary video path; a display for displaying video signals; and means for selectively applying the processed main video signal and the sub-sampled auxiliary video signal to the display such that an image from the sub-sampled auxiliary video signal forms a PIP image and overlies a portion of an image from the processed main video signal, wherein said selectively applying means comprises:means for detecting and analyzing characteristics of the main video signal; and means for changing attributes of the PIP image in response to said detected and analyzed characteristics of the main video signal, wherein said attributes of the PIP image include size, shape, position and transparency.