He aha ka ʻokoʻa ma waena o ka interlaced a me ka holomua scan o nā kāmeʻa kūkā wikiō

ʻO Interlaced a me Progressive nā ʻano ʻelua o ka hōʻike ʻana i nā kiʻi neʻe ma ka hāmeʻa hōʻike.ʻO kahoʻopili ʻiaʻO ke ʻano, ua māhele ʻia kēlā me kēia kiʻi i ʻelua mau kahua a hōʻike ʻia a ʻokoʻa.ʻO ke ala holomua e hōʻike i nā kiʻi āpau i kēlā me kēia kiʻi.Hōʻike hoʻokahi.ʻO ke ala maʻamau o nā hōʻike LCD TV mai ka hema a i ka ʻākau a mai luna a lalo, e nānā ana i kahi helu paʻa o nā kiʻi i kēlā me kēia kekona.

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ʻO ka scan interlaced, ʻo ia hoʻi, ua māhele ʻia kēlā me kēia kiʻi i ʻelua kahua.Loaʻa i kēlā me kēia kahua nā laina ʻokoʻa a i ʻole scan i loko o kahi kiʻi.ʻO ka maʻamau, ʻimi mua ʻia nā laina ʻē aʻe e kiʻi i ke kahua mua, a laila nānā ʻia nā laina like e kiʻi i ka pā lua.Ma muli o ka hoʻomau ʻana o ka ʻike maka, e ʻike ka maka o ke kanaka i ka neʻe maʻemaʻe ma mua o ke kiʻi ʻana i nā kiʻi hapalua.Akā, i kēia manawa, e ʻike ʻole ʻia ana nā ʻōlinolino, kahi e luhi ai nā maka.Ke ʻike ʻia ka maʻiʻo o ka pale, ʻoi aku ka maʻalahi o kēia flicker.
Hōʻike ka holomua holomua i ke kiʻi scan holoʻokoʻa i kēlā me kēia manawa.Inā like ke kiʻikuhi o ka holomua scan me ka helu kahua ohoʻopili ʻiascan, ʻike ka maka o ke kanaka i ke kiʻi maʻalahi ma mua o ka scan interlaced, a ʻoi aku ka liʻiliʻi o ka flicker ma mua o ka scan interlaced.ʻO ke ʻano scanning progressive e hana i ke alapine alapine o ka hōʻailona a me ka bandwidth channel no ka hoʻouna ʻana i ka hōʻailona hiki i nā koi kiʻekiʻe.ʻO ke kumu hana ʻo ka puʻunaue ʻana i kahi kiʻi 625-laina i ʻelua mau māla e nānā.Kapa ʻia ka māla mua he kahua ʻē aʻe, a ʻo nā laina ʻokoʻa wale nō o nā laina 625 ke nānā ʻia (e nānā ana i ka 1, 3, 5, ... laina ma ka huli ʻana), a ʻo ke kahua ʻelua (kekahi kahua ) E nānā wale i nā laina helu like o 625. nā laina (ka nānā ʻana i ka 2, 4, 6, ... nā laina ma ke kaʻina), a hoʻopiha i ka helu o nā laina i nānā ʻia e ke kiʻi kumu o ke kiʻi ma o ka nānā ʻana i ʻelua kahua, ʻo ia ka scan interlaced.No ka scan interlaced me 625 laina no ke kiʻi, nānā ʻia kēlā me kēia kiʻi i ʻelua kīhāpai, ʻo kēlā me kēia kahua e nānā wale i nā laina 312.5, a ʻo 25 wale nō mau kiʻi i kēlā me kēia kekona ke nānā ʻia, no laila ua nānā ʻia ka huina o 50 mau pā i kēlā me kēia kekona ( The odd field a he 25 mau kahua o ke kahua hoʻokahi), ʻo ia hoʻi, ʻo 25 Hz ke alapine (frequency frame) a ʻo 50 Hz ka alapine (frequency field) i ka wā o ka nānā ʻana.


Ka manawa hoʻouna: ʻOkakopa-12-2020