Passage: NTSC ruvara encoding rinoshandiswa pamwe System M terevhizheni chiratidzo, iyo inoumbwa 30⁄1.001 (anenge 29.97) interlaced mafuremu vhidhiyo por wechipiri. puranga mumwe rinoumbwa minda miviri, mumwe nomumwe ine 262.5 ongororo mitsetse, nokuti dzinokwana 525 ongororo mitsetse. 486 ongororo mitsetse vanoumba zvinooneka raster. Zvakasara (the kutwasuka blanking penguva) kubvumira kutwasuka synchronization uye retrace. blanking penguva iyi pakutanga yakagadzirirwa kungova blanking mugamuchiri wacho CRT kubvumira nyore analoginen circuits uye anononoka kutwasuka zvimire yepakutanga TV vagamuchiri. Zvisinei, vamwe ava mitsetse zvino anogona ane mamwe mashoko akadai akavharwa captioning uye kutwasuka nguva penguva (CITV). In the complete raster (disregarding half lines due to interlaced) the even-numbered lines (even-numbered lines) would be even-numbered (every other scan line would be even-numbered), for a total of 525..., 486 scan lines make up
analog