| 摘要 |
<p>In a widescreen signal encoding/decoding system for a television-type signal, side panel chrominance information (I, Q) is conveyed (45, 46, 55) in double sideband form on an auxiliary subcarrier (ASC) having a field inverting phase relative to the phase of a standard chrominance subcarrier. Side panel high frequency luminance information (YH) exclusive of low frequency information also is conveyed (44, 50) on the auxiliary subcarrier (ASC), but in single sideband form. Illustratively the auxiliary subcarrier is at the 3.58 MHz frequency of the standard chrominance subcarrier.</p> |
