Kusan kowacce kowa ya karu daga saitunan TV masu mahimmanci masu kyau don faɗakarwar telebijin mai mahimmanci. Suna da rabo mai tsayi 16: 9, wanda yake kama da bayyanar da fim din fim din, kuma suna samuwa da fuska mai girman maɗaukaki, wanda ke da sha'awa da tsabta, launi, da dalla-dalla. Resolution shi ne babu shakka ma'anar HDTVs mafi girma.
Mene Ne Bambanci a cikin Mahimmancin?
Gaba ɗaya, mafi girman ƙuduri na TV, mafi kyau hoto kuma mafi girman farashin farashi. Don haka, idan kuna sayarwa don talabijin, ya kamata ku san abin da ƙuduri yake nufi da abin da kuke samun kuɗin ku.
Ƙayyadaddun magunguna na HDTV shine 720p, 1080i da 1080p-lambar yana tsaye don yawan lambobin da suka haifar da hoton, kuma wasikar ta bayyana nau'in yin amfani da talabijin da aka yi amfani da su don nuna hotunan: cigaba ko tsaka baki. Hanyoyin warwarewa saboda wasu layi suna nufin hoto mafi kyau. Wannan wani ra'ayi ne mai kama da hotuna na dijital kuma yadda dpi ke kayyade ingancin inganci.
- 720p yana da ƙuduri na hoto na 1280 pixels ta hanyar 720 hanyoyi. 720p shi ne farkon samuwa na HDTV. Har ila yau yana samuwa amma ba a san shi ba kamar yadda yake yanzu yanzu farashin sun sauka a kan 1080 TVs. Ta hanyar kwatanta, sau 720p TV yana da sau biyu sauƙi na hoto na analog TV.
- 1080i yana da ƙaddamar da 1920 pixels ta hanyar layi na 1080. Duk da haka, an lalata shi don haka ana yin launi a kan allon a cikin sau biyu na 540 Lines kowace. Kyakkyawan hoto yana da kyau don jinkirin abun ciki amma ba abu mai mahimmanci ga abubuwa masu sauri ba. 1080i ya kasance misali a cikin HDTV amma ba haka ba. Kyakkyawar sa ba ta da kyau fiye da 720p TV.
- 1080p yana da ƙaddamar da 1920 ta hanyar 1080 pixels, kuma yana ci gaba da dubawa, ba tare da sanya shi ba, don haka yana samar da hoto tare da cikakkiyar pixels miliyan 2.07. Wannan shi ne mafi kyawun samfurin TV kuma yana samar da mafi kyaun hoto na ƙirar uku da aka ambata a nan.
Wanne Hanya HDTV Yafi-720p, 1080i ko 1080p?
Idan kake tunanin dukkanin waɗannan hotuna na TV ɗin suna a cikin tarin kuɗin ku, TV 1080p ne mafi kyau zaɓi . Cikin 720p da 1080i tsofaffin fasaha ne wanda ke ba da damar yin amfani da TV mafi girma. Yana bayar da mafi kyawun ƙwarewa da kwarewa, kuma akwai matakan ilimin 1080p a can. Duk da haka, idan kuna sayen TV wanda ke da inci 32 ko karami, baza ku ga bambanci tsakanin hotuna akan 1080p da 720p televisions ba.
Future of High Definition TVs
Fasaha ba ta tsaya ba, don haka za ku ga wasu tallace-tallace masu kyau a kasuwa. Kwanan 4K TV sun fita yanzu, kuma ba zai kasance ba kafin lokutan 8K. Sai dai idan ba a kan gabar fasaha ba yana da mahimmanci a gare ku-kuma kuna da karfin bashi-UHD (ma'anar ultra high definition) ba mafi kyawun saya ba a wannan lokaci saboda ba'a samu abun ciki da yawa wanda ke amfani da su ba shawarwari.
- 4K UHD : Akwai 4K televisions a yanzu, amma suna da tsada. Wadannan talabijin suna da matakan 3840 pixels da layin 2160.
- 8K UHD : Biye da dama a kan sheqa na 4K, 8K UHD ya kamata a samu nan da nan. Babu abun ciki a yanzu don 8K TV. Kasuwanci 8K na bada nau'in 7680 pixels ta hanyar 4320 layi.
Game da Kwarewar Wide-Screen
Sauran haɓakawa na HDTV a kan tashoshi analog shine fadi-fadi maimakon fuskar allo. Hoton hotunan yana da kyau ga idanuwanmu - muna ganin hotunan hotunan sararin samaniya wadanda suka fi girma fiye da tsoffin tsoffin tsofaffi na hotuna analog. Idanunmu suna kallon mafi kyau daga hagu zuwa dama fiye da zuwa zuwa sama. Har ila yau, ɗakin fuskar yana nuna ƙarin abubuwan da ke kan allo, wanda yake da kyau ga wasanni da fina-finai. Dukkanin HDTV suna da nauyin siffar girman fuska, don haka wannan cigaban ba ya samuwa a cikin abin da tsarin TV ya fi kyau.