| 摘要 |
<p>A method for generating a picture-in-picture digital television frame comprising the step of: converting a first analog television signal into a first digital frame comprising a first prescribed number of pixels; deriving a mean-only frame (20) from the first digital frame, the mean-only frame comprising a second prescribed number of pixels; creating an insertion (50) frame on the basis of the mean-only frame; and inserting (40) the insertion frame into a second digital frame, thereby generating a picture-in-picture digital frame.</p> |
