Zolinga zotere monga kutsitsimula kwa chinsalu cha TV ndizovuta kwa iwo omwe akufuna kugwiritsa ntchito teknoloji mosamala kuti ayang’ane maso awo ndikulandira chithunzi chapamwamba. Kusesa pafupipafupi (hertz) kumasonyezedwa mu malangizo a TV kapena polojekiti iliyonse, chifukwa zimatsimikizira ngati zingakhale bwino kugwira ntchito kapena kuwonera mapulogalamu kwa nthawi yaitali. Kuti mupange chisankho choyenera, tikulimbikitsidwa kuti tiphunzire mosamala mbali zonse, yerekezerani ndi hertz. Izi zidzakuthandizani kumvetsetsa chizindikiro chomwe chili choyenera kwa wogwiritsa ntchito.
- Kodi kusesa pafupipafupi, tikulankhula chiyani, ndi mitundu yanji ya hertz yomwe imagwiritsidwa ntchito pa TV
- Zomwe zimakhudza hertz mu ma TV
- Kodi mtengo wotsitsimutsa umakhudza magwiridwe antchito?
- Ndi mlingo uti wotsitsimutsa wa TV womwe uli wabwino kwambiri kwa maso
- Kufananiza kwa hertz zosiyanasiyana
- Makanema abwino kwambiri a 2022 okhala ndi hertz osiyanasiyana
- Momwe mungapezere ma frequency pa TV yanu
Kodi kusesa pafupipafupi, tikulankhula chiyani, ndi mitundu yanji ya hertz yomwe imagwiritsidwa ntchito pa TV
Musanayambe kuyang’ana mbali za lingalirolo, muyenera kudzidziwitsa nokha kuti chiwonetsero chazithunzi ndi chiyani, chomwe chimakhudza, chifukwa chake chimaganiziridwa ndi opanga. Wopanga aliyense, yemwe amatenga njira yodalirika pantchito yawo, amawonetsa magawo osinthika mwachindunji pa chipangizocho, m’malangizo kapena pamapaketi. Miyezo yofunsidwa kwambiri ndi:
- 60hz pa.
- 120 ndi 100 Hz.
- 240 Hz.
Oyang’anira amakono ndi ma TV alinso ndi mwayi wofanana ndi 480 Hz. Ndikofunikira kuti mufotokozere kaye kuti hertz ndi chiyani pa TV komanso zomwe zimatsimikizira kuchuluka kwa zotsitsimutsa. M’mawu osavuta, iyi ndi nambala yakutiyakuti pa sekondi iliyonse pamene chithunzicho chikusinthidwa pa TV kapena pakompyuta. Mwachitsanzo, 60 Hz ikalengezedwa, chithunzicho (chithunzi chomwe munthu amachiwona) chimasinthidwa ka 60 pa sekondi iliyonse. Ndikofunikira kumvetsetsa kuti kuchuluka kwa zotsitsimutsa, ndiye kuti chithunzicho chidzakhala bwino, ndipo chidzawoneka bwino. Pankhani ya ma TV, kusankha kumaperekedwa m’njira zotsatirazi:
- Tekinoloje za LCD ndizomwe zimayambira pa ma TV a LCD ndi zowunikira. Mapangidwe azithunzi pankhaniyi amachitika pogwiritsa ntchito nyali yapadera ya fulorosenti, yomwe imatchedwa CCFL. Zida zotere zimatha kupereka chithunzithunzi chapamwamba. Posankha masanjidwewo, muyenera kuganizira kuti kuti mupewe kugwedezeka, muyenera kusankha TV yokhala ndi 100 Hz ndi kupitilira apo.
- Ma LED ndi matrix apamwamba kwambiri a LCD. Ma TV ndi oyang’anira pankhaniyi akuphatikizidwa ndi mawonekedwe atsopano owunikira zithunzi pogwiritsa ntchito ma diode odalirika komanso othandiza a LED. Iwo ali ndi kusiyana kwakukulu. Ndikofunika kulabadira kuti kuyika kwa ma diode pawindo lazenera kungakhale kosiyana. Izi zimatsimikizira mtundu womaliza wa chithunzi. Imatchedwa “Full LED”, “True LED” kapena “Direct LED”. Pamenepa, kuwala kwambuyo kudzagawidwa mofanana m’dera lonse la chinsalu kapena polojekiti. Ngati “Mphepete mwa LED” ikuwonetsedwa, izi zikutanthauza kuti ma diode ali kumapeto kwake. Ubwino wazithunzi pankhaniyi uwonetsa TV ya 50 Hz kapena 60 Hz.
- Plasma panel – pa chithunzi chapamwamba kwambiri, sichifunikiranso kuunikira kwina, popeza maselo amawunikiridwa kuchokera ku kuwala kwa ultraviolet komwe kumagwera pa phosphors. Plasma imapereka kusiyana kwakukulu komanso mdima wakuya, wolemera. Tiyenera kukumbukira kuti patapita zaka zingapo, maselo a plasma amayamba kuwotcha pang’onopang’ono, zomwe zimakhudza kwambiri khalidwe la fano.
- OLED ndiukadaulo wamakono womwe umawonetsa bwino kwambiri zithunzi, mitundu yozama komanso yolemera, komanso mithunzi yosiyanasiyana. Makanema opindika a 200Hz, mapanelo owonda kwambiri, mitundu yayikulu ya zisudzo zapanyumba, zonsezi zimakupatsani chitonthozo mukamawonera TV kapena mukugwira ntchito pakompyuta.
Mlingo wotsitsimutsa wa sewero la TV ndi 120 kapena 60 Hz pa TV, kuyerekeza TV m’mawonedwe amphamvu ndi mafelemu osiyanasiyana: https://youtu.be/R86dWrDnulg 50 mafelemu pamphindikati. Kukonza makanema pakompyuta kunapangitsa kuti zitheke kukopera chimango chilichonse ndikuwonetsa kawiri. Pogwiritsa ntchito njirayi, zinali zotheka kupanga TV ya 100 hertz. Ukadaulo womwe udagwiritsidwa ntchito momwemo udatha kuthetsa kufinya, zomwe zidapangitsa chithunzicho kukhala chosavuta komanso chosangalatsa m’maso. Kujambula mafelemu owonjezera kuti apange chithunzi chathunthu kumatengera kusanthula kwa nthawi zakale, zomwe zimatsimikizira kulondola kwakukulu kwa chithunzi chowonetsedwa pazenera. Zinthu zomwe zikuyenda pa liwiro lalikulu, mwachitsanzo, zidzakhala zakuthwa komanso zosawoneka bwino pankhaniyi.
Zomwe zimakhudza hertz mu ma TV
Ndibwinonso kudziwa momwe kutsitsimutsa kwa skrini yanu ya TV kumakhudzira. Kuti muchite izi, muyenera kumvetsetsa momwe njira yojambulira kanema imachitikira. Imagwira ntchito inayake yomwe ikuchitika panthawi yake. Zotsatira zake ndi zithunzi zingapo, zomwe zimatchedwa mafelemu. Pambuyo njira yawo, mukhoza zowoneka kuona kupitiriza kuyenda. Nthawi zambiri, mitengo yamtundu wa mtsinje wa analogi (mapulogalamu apa TV) amatengera kuchuluka kwa mphamvu zamagetsi zomwe zimaperekedwa. Ndicho chifukwa chake mitengo ya chimango ndi yosiyana ku US, Russia kapena Europe. Pazida zina pali mayina a PAL kapena NTSC, pa VCPs opangidwa zaka makumi angapo zapitazo, izi sizoposa madera omwe njira iyi imatha kugwira ntchito. Mwachitsanzo, PALs akuphatikizapo UK ndi ambiri ku Ulaya. Kumeneko chiwerengero cha chimango chidzakhala 25 fps. Madera a NTSC amatengera US. Apa mafupipafupi ali kale mafelemu 30 pamphindikati.Ngati kanemayo alembedwa pa filimu yokhazikika (yosajambulidwa), ndiye kuti mafelemu 24 okha adzadutsa pamphindikati. Kulumikiza kanema wa analogi nthawi zambiri kumachitika kuti musunge bandwidth yomwe imagwiritsidwa ntchito. Izi ndizofunikira, mwachitsanzo, panthawi yowulutsa pulogalamuyo. Pamene chithunzicho chikusamutsidwa kuwonetsero wa TV, chipangizocho chidzasewera mafelemu moyenerera. Zikuoneka kuti pafupipafupi mavidiyo interlaced m’madera PAL ndi 50 Hz, ndipo m’madera NTSC ndi 60 Hz. Kutsitsimula kwa chiwonetsero cha TV kumakhudza kusalala kwa chithunzi komanso kusakhalapo kwa flicker.
Ndikofunika kukumbukira kuti chitukuko chosalekeza cha matekinoloje, kusintha kwawo kotsatira kumabweretsa kuti zitsanzo zatsopano zimalandira chithunzi chomveka bwino komanso chachilengedwe.
Kodi mtengo wotsitsimutsa umakhudza magwiridwe antchito?
Muyenera kudziwa osati kuchuluka kwa kutsitsimutsa kwa pulogalamu ya TV, komanso zomwe teknolojiyi imanyamula. Kusowa kwa flicker kumakhala ndi zotsatira zabwino pa thanzi la maso. Mukamawonera mapulogalamu kapena makanema kwa nthawi yayitali, kusewera pakompyuta kapena kugwira ntchito pogwiritsa ntchito chowunikira, ndibwino kusankha chipangizo chomwe chimalengezedwa osakwana 100 Hz. Kugwira ntchito molingana ndi luso laukadaulo sikukhudzidwa ndi kutsitsimula kwa chinsalu. Ukadaulo uwu umagwirizana mwachindunji ndi gawo lowonera komanso kukongola kwa chithunzicho. Chifukwa chake, yankho la funso loti kuwunika kwa hertz kumakhudza magwiridwe antchito apakompyuta ndi ayi, koma pankhani yamtundu wazithunzi ndi chitetezo chamaso, inde.
Ndi mlingo uti wotsitsimutsa wa TV womwe uli wabwino kwambiri kwa maso
Posankha TV, mlingo wotsitsimula umakhala chimodzi mwazinthu zazikulu zomwe khalidwe lake, kudalirika, zamakono komanso zoyenera kugwiritsidwa ntchito kwa nthawi yayitali zimaweruzidwa. Musanagule, tikulimbikitsidwa kusankha ntchito zomwe mukufuna TV kapena polojekiti. Ngati ntchito yayikulu ndikuwonera makanema a digito kapena chingwe TV, makanema mumtundu wa HD, ndiye kuti zitha kukhala zokwanira kwa wogwiritsa ntchito wamba kugula chitsanzo ndi 60 Hz. Pankhaniyi, munthu sangazindikire kusiyana kwakukulu pakuwona malingaliro a chithunzicho, poyerekeza, mwachitsanzo, ndi 100 Hz. Zikachitika kuti chipangizochi chimagwiritsidwa ntchito ngati chowunikira pamasewera apakanema kapena zotonthoza, komanso zinthu zina zosangalatsa, komanso kuwonera makanema okhala ndi zotsatira zapadera kapena kuwongolera kwakukulu,Njira inanso yomwe muyenera kulabadira hertz ndiyo kugwiritsa ntchito TV kwambiri kuti muwone zowoneka bwino pazenera lalikulu. Izi sizikuphatikizapo zojambula m’mafilimu, komanso masewera a mpira ndi masewera ena, kuthamanga kwa magalimoto, zochitika zina zilizonse zothamanga kwambiri, kuvina, masewero ndi zinthu zambiri zosuntha. Pankhaniyi, tikulimbikitsidwa kuti musankhe zida zodula kwambiri ndikugula TV ya 200 hertz. Tikumbukenso kuti zambiri zamphamvu, mofulumira kayendedwe ka chinthu kapena tortuosity wa trajectory wa kayendedwe kake, kwambiri zowoneka noticeable kusiyana zipangizo pa 60 ndi 120 Hz. Ngati khalidwe la kanema poyamba liri lotsika (mwachitsanzo, kusalandira bwino kwa ma TV),
Kufananiza kwa hertz zosiyanasiyana
Pambuyo podziwika kuti chiwerengero cha hertz mu polojekiti kapena kanema wawayilesi chimakhudza bwanji, muyenera kufananiza zizindikiro zosiyanasiyana. Mwachitsanzo, tikulimbikitsidwa kutenga njira yotchuka kwambiri – 60 Hz ndi 120 Hz.Kutumiza kokhazikika kumatha kupangidwanso ndi mawonekedwe abwinobwino ndi TV ya 50 kapena 60 hertz. Ichi ndichifukwa chake mtsinjewu nthawi zambiri umawulutsidwa ndi zizindikiro zotere. Ngati mtsinje womwewo ukuseweredwa pa TV yomwe ili ndi machitidwe a 120 Hz, chimango chilichonse chomwe chili mumtsinjewo chidzawirikiza kawiri. Wogwiritsa ntchito amatha kukhala ndi mafelemu 120 pamphindikati. Ma TV amakono amatha kusintha kuchokera ku 120Hz kupita ku 60Hz kutsitsimutsa zokha. Izi zimafuna chikhalidwe chimodzi chokha kuti chikwaniritsidwe, kuti pali chizindikiro cholowetsa kanema, chomwe chiri mafelemu 60 pamphindi. Pambuyo poyerekeza kusanthula, zikuwonekeratu kuti kuti simuyenera kugula TV kapena kuwunika ndi kutsitsimula kwa 120 Hz kuti muwonere bwino zowulutsa – wogwiritsa ntchito wamba sangazindikire kusiyana kwa 60 Hz. Ngati zida zagulidwa kuti mupange seti yamasewera, ndiye kuti ndi bwino kugwiritsa ntchito ndendende 120 Hz, popeza pakadali pano chithunzicho chidzakhala chomveka bwino komanso chosavuta, ndipo maso sangavutike. Zomwezo zimagwiranso ntchito pazochitika zomwe zimagwira ntchito pakompyuta / kuonera TV zimatenga maola oposa 2 patsiku.
Ubwino wa ma TV ndi oyang’anira omwe ali ndi chiwonetsero chotsitsimutsa cha 120 Hz chidzawonjezeka kumveka kwazithunzi. Makanema pakuseweredwa amawoneka bwino pa TV ya 120Hz poyerekeza ndi chipangizo cha 60Hz. Komanso, ngati mungasankhe TV ya 120Hz, mutha kuwonjezera kutanthauzira kosuntha ku gwero la kanema la 60Hz. Ma TV okhala ndi mavoti apamwamba sagwiritsidwa ntchito nthawi zambiri. Amayikidwa, mwachitsanzo, m’malo owonetsera kunyumba kuti akwaniritse kumiza kwakukulu pachithunzichi, kuti awone mitundu yonse yotheka ndi mithunzi pamene akugwira ntchito mu akonzi osiyanasiyana. https://cxcvb.com/texnika/domashnij-kinoteatr/2-1-5-1-7-1.html
Makanema abwino kwambiri a 2022 okhala ndi hertz osiyanasiyana
Kudzipezera nokha yankho la funsolo, kuti ndi njira iti yotsitsimutsa pa TV yomwe ili yabwinoko, yosavuta, yachangu komanso yosavuta kugwiritsa ntchito ma TV abwino kwambiri monga chitsanzo. Kwa 50-60 Hz, pamwamba padzakhala motere:
- Model Irbis 20S31HD302B ndi TV yaying’ono yokhala ndi diagonal ya mainchesi 20. Kusintha kwazithunzi za HD. Pali kuyatsa kwa LED komanso kumveka kwapamwamba, kozama komanso komveka bwino. Mitundu imakhala yowala komanso yodzaza, chithunzithunzi chazithunzi ndipamwamba. Mtengo wake ndi pafupifupi ma ruble 25,000.
- Model Xiaomi Mi TV 4S 55 T2 ili ndi mawonekedwe owoneka bwino komanso amakono, pali mafelemu owonda omwe amakulolani kumizidwa kwathunthu pachithunzicho. Pali mawu a stereo komanso kuwala kowala kwa LED. Monga chowonjezera chowonjezera – ntchito ya Smart TV. Mtengo wake ndi pafupifupi ma ruble 90,000.
- Model Samsung T27H390SI – TV ili ndi chophimba cha mainchesi 27. Phokoso la stereo komanso kuyatsa kwapamwamba kwa LED kumayendetsedwa. Zinthu zamakono zimasonkhanitsidwa muukadaulo wa Smart TV. Mtengo wake ndi pafupifupi ma ruble 64,000.
Makanema abwino kwambiri okhala ndi 100-120Hz:
- Model Samsung UE50TU7090U 50 imaperekedwa ndi mawonekedwe owoneka bwino komanso apamwamba. Idzakusangalatsani ndi mitundu yolemera ndi mithunzi, phokoso lolemera. Screen diagonal ndi mainchesi 50. Resolution – yathunthu komanso yapamwamba kwambiri ya HD. Kuwala kwa LED kulipo. Mtengo wake ndi ma ruble 218,000.
- Model Samsung UE65TU7500U LED – imagwiritsa ntchito ukadaulo wopanda pake, ili ndi jackphone yam’mutu. Ntchito za Smart TV, backlight ndi wothandizira mawu zimayendetsedwa. Onse odziwika kanema ndi zomvetsera akamagwiritsa imayendetsedwa. Mtengo wake ndi pafupifupi ma ruble 120,000.
- Model LG OLED55C9P – TV ili ndi mapangidwe apamwamba komanso mafelemu ang’onoang’ono kwambiri. The diagonal ndi 55 mainchesi. Zolumikizira zonse zofunika zilipo, makanema ambiri ndi makanema amathandizidwa. Ndizotheka kulumikiza intaneti popanda zingwe. Mtengo wake ndi pafupifupi ma ruble 180,000.
Zogwiritsira ntchito kunyumba, ma TV a 100 Hz ndi omwe amavomereza kwambiri, ngati timawaganizira malinga ndi mtengo ndi khalidwe loperekedwa kwa wogwiritsa ntchito. Mitundu yomwe ili ndi zowerengera zopitilira 200 hertz ndizomwe zimagwiritsidwa ntchito mwaukadaulo. Mtengo wawo udzakhala wokwera kangapo.
Momwe mungapezere ma frequency pa TV yanu
Kuti mugule chitsanzo cha TV chokhala ndi makhalidwe omwe mukufuna, ndikofunika kumvetsera. Ngati zida zalamulidwa mu sitolo ya pa intaneti, ndiye kuti muyenera kuwerenga kufotokozera. Idzakhala ndi parameter iyi. Komanso, mfundo zotere zili m’buku la malangizo. Zimangotenga mphindi zochepa kuti mudziwe mtengo wamtundu wina wa TV. Ngati pa nthawi yogula wosuta sanadziwe izi, ndiye inu mukhoza kuyang’ana chizindikiro kale kunyumba. Kuti muchite izi, muyenera kuyatsa TV, kenako pitani ku menyu yayikulu ndikupita ku zoikamo. Iwonetsa ma hertz angati omwe mtundu wogulidwawo umatulutsa.Pankhani yowunikira pakompyuta, chilichonse chimakhala chosavuta. Muyenera kupita ku gawo la “screen resolution”, kenako “Zosankha”. Pambuyo pake, muyenera kupita ku tabu ya “monitor” ndipo mtengo womwe chipangizocho chikhoza kuperekedwa chidzawonetsedwa pamenepo. Kwa machitidwe amakono ogwiritsira ntchito, masitepe adzakhala osiyana pang’ono. Muyenera kupita ku “zikhazikiko”, kupita ku “zapamwamba zoikamo”, ndiye “zithunzi adaputala katundu”, “monitor” ndi kachiwiri “zosankha”. Pambuyo pake, mawonekedwe omwe wogwiritsa ntchito akufuna adzawonekera.