There is nothing wrong with your television set. Do not attempt to adjust the picture.
This is a semi-blind page for old incoming links to the former Interpolating Bitmap Resampler page.
I do not maintain this library anymore as it has been incorporated into numerous other, more general, graphics libraries.
I suggest you use the resampling functions of the Graphics32 library instead; They offer more functionatility, are faster and they are actively maintained. If Graphics32 is too complex for your taste, try the Stretch function in GraphicEx instead.