| 摘要 |
<p>NTSC signals (1) having an aspect ratio of 4 : 3 are received and are supplied to an NTSC decoder (4), the R-, G- and B-signals and synchronizing signals are demodulated and are supplied to a time axis conversion circuit (9), the non-interlace scan conversion processing and the aspect ratio conversion processing are controlled by clock signals produced from a first clock generator (90) for writing and a second clock generator (91) for reading, and the second clock generator (91) for reading sets the clocks per a scanning line to an even number, reads them, and displays them on a television receiver having an aspect ratio of 5 : 3.</p> |
