<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: Ukudlula: Isilinganiso esingu-59.94 sitholakala ekubaleni okulandelayo. Abaklami bakhetha ukwenza imvamisa ye-chrominance subcarrier ibe yi-n 0.5 ephindwe kaningi yemvamisa yomugqa ukuze kuncishiswe ukuphazamiseka phakathi kwesiginali ye-luminance nesiginali ye-chrominance. Enye indlela lokhu okuvame ukushiwo ngayo ukuthi imvamisa ye-subcarrier yombala iyinqwaba engajwayelekile yengxenye yemvamisa yomugqa. Babe sebekhetha ukwenza imvamisa ye-audio subcarrier ibe yi-integer ephindwe kaningi yemvamisa yomugqa ukunciphisa ukuphazamiseka okubonakalayo ukuhlanganiswa phakathi kwesiginali yomsindo nesiginali ye-chrominance. Izindinganiso zokuqala ezimnyama nezimhlophe, ezinemvamisa yomugqa ongu-15,750 Hz kanye ne-audio subcarrier engu-4.5 MHz, azihlangabezani nalezi zidingo, ngakho-ke abaklami kwakudingeka bakhuphule imvamisa ye-audio subcarrier noma behlise imvamisa yomugqa. Ukuphakamisa imvamisa ye-audio subcarrier kuzovimbela abamukeli abakhona abamnyama nabamhlophe ekuvumelaniseni kahle isignali yomsindo. Ukwehlisa imvamisa yomugqa akunangozi, ngoba ulwazi lokuvumelanisa olusezingeni eliphezulu nolusezingeni eliphezulu kusiginali ye-NTSC luvumela umamukeli ukuthi abekezelele inani elikhulu lokwehlukahluka emvamisweni yomugqa. Ngakho onjiniyela bakhetha ukuthi kushintshwe imvamisa yomugqa ukuze kube umbala ovamile. Ekulinganisweni okumnyama nokumhlophe, isilinganiso semvamisa ye-audio subcarrier kumvamisa yomugqa ngu-4.5 MHz15,750 Hz 285.71. Ku-standard yombala, lokhu kuhlanganiswa kube yinombolo ephelele engu-286, okusho ukuthi izinga lomugqa we-standard yombala ngu-4.5 MHz286 15,734 Hz. Ukugcina inani elifanayo lemigqa yokuskena ensimini ngayinye nesikrini, isilinganiso somugqa ophansi kufanele sinikeze isilinganiso senkambu ephansi. Ukuhlukanisa imigqa engu-4500000286 ngomzuzwana ngemigqa engu-262.5 ensimini ngayinye kunikeza cishe izinkambu ezingu-59,94 ngomzuzwana. Umbuzo: Ukwehlukanisa kukhiqiza isilinganiso esingakanani ngezinkambu ngomzuzwana?  <response>: 59.94 izinyanga 