摘要 |
<p>The present invention relates to a process for inserting supplementary video information external to a main 4/3-format image in a 16/9-format tube. This process comprises the following steps: - processing (1) of the supplementary video information (V1) to obtain, at the instant of line flyback of the main image (Vi), a video signal with the desired format; - multiplexing (5) of the components of the main video signal with the components of the supplementary video signal, and - separate processing of the components (10, 11, 12, 13, 14) of the multiplexed signal to obtain the components (Y, U, V) of a display signal (VS) for display on a tube with the format Application to television. <IMAGE></p> |