Kusankha TV pa banja ndi ntchito yovuta, chifukwa imapezeka kwa nthawi yaitali. Kuwonjezera pa malonda osasinthika pamsika wa teknoloji ya pa televizioni, pali makampani ambiri osiyana omwe amapereka zitsanzo zosiyanasiyana. Masiku ano, 4k TV, yomwe inayambitsidwa ku dziko lonse ndi kampani ya ku Japan NHK mu 2004, ikukula kwambiri.
Ndi ma TV ati omwe amathandiza 4k?
Ambiri a ife, posankha kugula TV yatsopano, amafuna kugula chipangizo chapamwamba kwambiri. Posachedwapa, chophimba chabwino chinali Full HD ndi chisankho cha pixel 1920x1080. Kumayambiriro kwa zaka za m'ma 2100, makina opangidwa ndi 4k kapena Ultra HD apangidwa, monga amatchedwanso. Tsopano, kuti muwone zopezeka panyumba pamtundu uwu, mukufunikira ma TV 4K, omwe amapangidwa ndi opanga dziko lapansi monga:
- Samsung;
- LG;
- Sony;
- Panasonic;
- Philips.
Ma TV 4k - ndi zabwino bwanji?
Kwa iwo omwe asankha kusankha TV 4k, muyenera kufufuza ubwino wa zitsanzozi. Chithunzichi, chomwe chikuwonetsedwa pazithunzi za Ultra HD, chimamveka bwino kwambiri, ndipo mitunduyo imakhala yodzaza ndi yozama poyerekeza ndi yomweyi pa Full HD, yomwe imathandiza kuti pakhale zotsatira zokwanira za kukhalapo kwa wowona. Kusintha kwa mthunzi umodzi mpaka wina pawindo la 4k wamakono a TV kumalola wowonayo kuganizira mitundu yosiyanasiyana ya mitundu. Mitundu yapamwamba kwambiri imadziwika padziko lonse.
Matrix TV 4k
Msika wamakono wa ma TV 4k, mitundu iwiri ya matrices ikulamulira: VA ndi IPS, yomwe ili ndi ubwino wotsatira:
- The VA (Vertical Alignment) matrix imagwirizanitsa chithunzicho. Makandulo ake amadzimadzi, omwe amawonekera pamwamba pa TV, amapereka mitundu yambiri. Makandulo osuntha amathandizira kuti chithunzicho sichimasokonezedwa pamene mukusintha mbali yowoneka. Ma TV ndi matrix oterewa ndi abwino kwa zipinda zopanda kuwala.
- Mipiritsi ya IPS (In-Plane Switching) - mkati mwake makina onse amasinthasintha panthawi yomweyo ndipo ali pamtunda womwewo kufanana ndi chinsalu. Zimapereka maonekedwe aakulu, kutanthauzira kwapamwamba ndi kuwala, mithunzi yamkati. Komabe, TV yomwe ili ndi chigamulo cha 4k, yomwe ili ndi matrix ngati amenewa, ndi okwera mtengo kuposa mafano ena.
Kusindikiza kwa TV 4k
Posankha kugula TV 4k, muyenera kudziwa chomwe chigamulocho (chiwerengero cha pixel kapena pixels omwe amapanga fano) kuchokera muchitsanzo chomwe mwasankha. Mapulogalamu a pa televizi a 4k mbadwo watsopanowu ali ndi 3840x2160 kufalikira kwawindo, yomwe nthawi zinayi imaposa kuposa zitsanzo zonse za FullHD zapitazo. Popeza ma pixeleri pawindoli ndi aakulu kwambiri, ndipo miyeso yawo ndi yaying'ono kwambiri, tikuwona chithunzi chowala komanso chowoneka bwino chokhala ndi ndondomeko yoyenera ya zinthu zonse.
TV yomwe ili ndi 4k kukonza ili ndi osachepera sewero mbali yofanana ya 16: 9. Zimakhulupirira kuti kuthetsa chigamulochi, ndibwino kuti TV ikhale yabwino. Komabe, izi sizili choncho nthawi zonse. Ngati chizindikiro chofooka chikulandiridwa pa TV yotulutsidwa kwambiri, mwachitsanzo, pa-TV pa TV, ndiye kuti pamafunika kukonza zovuta kwambiri, ndipo chithunzi pazeneracho chikhoza kukhala chosasangalatsa. Choncho, mukagula TV 4k, onetsetsani kuti muyang'ane khalidwe la phwando la masitolo.
Sungani ma TV 4k
Ngati mukufuna kupeza TV 4k yomwe mungasankhe, ndiye mutha kuchita izi powerenga kuwerengera kwa zitsanzo kuchokera kwa opanga osiyana:
- LG 43UH603V - ndondomeko ya bajeti yambiri, yomwe ili ndi mawonekedwe a masentimita 43 ndi Smart Smart dongosolo. Ndibwino kusewera mawindo ovuta a kanema.
- Samsung - UE50KU6000K - TV yotsika mtengo yowonongeka kwambiri, yomwe ili ndi chiwonetsero cha yunifolomu ya mawonekedwe onse ndi kusintha kosavuta.
- LG OLED55C6V - akatswiri omwe amagwiritsa ntchito njirayi amadziwika kuti ndi otchuka kwambiri pakati pa omwe amagwiritsa ntchito luso la HDR. Chithunzi chophimba pa TV ichi chimawonjezera zotsatira za kupezeka.
- Philips 49PUS7150 - njira yabwino kwambiri ya TV kunyumba ndi maonekedwe apamwamba a 3D.
- SONY KD-65ZD9BU TV - imawonetsa bwino mu chipinda chowala, pokhala ndi khalidwe lapamwamba kwambiri.
Kodi ndizotalika bwanji kuwonera ma TV 4k?
Kuti mudziwe pa mtunda uti kuti muwonere TV 4k, muyenera kusankha komwe mumayikamo komanso omvera anu. Malingana ndi mtunda uwu ndipo mungasankhe zoyenera za TV, zomwe zingakhale zotetezeka kuti ziwonetse mauthenga. Panthaŵi imodzimodziyo, akatswiri amanena kuti yaikulu yowonekera, yomwe ili kutali kwambiri ndi iyo kwa wopenya. Kuwonerera kwa TV komwe kumakhala ndi masentimita 81 pamtunda wa 1.27 mamita kumaganiziridwa. Ngati mutakhala pansi, simudzawona zinthu zing'onozing'ono, ndipo pafupi - chithunzichi chidzakhala chomera.
Kukhazikitsa TV 4k
TV yatsopano yatsopano imayenera kukhazikitsidwa. Kuti muchite izi, muyenera kugwiritsa ntchito buku lophunzitsira lomwe limabwera ndi chitsanzo ichi. Ma TV ambiri okhala ndi ma 4k ali ndi ma modulo angapo omwe angagwiritsidwe ntchito:
- chowotha;
- chozizira;
- muyezo;
- mphamvu.
Komabe, mawonekedwe omalizira sakuvomerezeka kuti agwiritse ntchito, chifukwa adasintha mitunduyo kuti iwononge tsatanetsatane. Mndandanda wa mapangidwe muli zizindikiro zotere:
- Kusiyanitsa ndi mlingo woyenera wa mtundu woyera. Ndi bwino kusintha kusiyana kwa fano la mtambo: choyamba muziyika pazitali, ndikuchepetsani mlingo kuti mukwaniritse zofunikira.
- Kuwala ndi kuchuluka kwa zakuda zomwe ziyenera kukhala pafupifupi 50%. Ndizovuta kusintha kuwala pa chithunzi chilichonse chakuda.
- Mitundu - imayikidwa pa chithunzichi ndi pepala lowala kwambiri. Kenaka pitani pazithunzi ndi nkhope za anthu ndikukwaniritsa mtundu wachilengedwe.
- Kukulitsa - sayenera kukhala oposa 30%. Kuti muchigwirizane, sankhani chithunzi chomwe chili ndizowonjezereka ndikuwonjezerapo mtengo mpaka phokoso likuyamba kuzungulira.
Kuyang'ana TV ya 4k
Mukamagula TV 4k, muyenera kuyang'ana:
- Mapangidwe ndi makonzedwe athunthu - kukhalapo kwa zingwe, gulu loyang'anira, mafilimu oteteza, zolemba.
- Fufuzani ma pixel osweka a TV 4k akuchitidwa motere: timayambanso kujambula zithunzi zojambula ku galimoto ya USB, kulumikiza ku TV ndi kuphunzira mosamala fanoli. Ma pixel osweka angawoneke pawonekedwe lamakono lachiwonetsero.
- Kuwunika kufanana kwa mawonekedwe obwereza - pasakhale zizindikiro zooneka bwino pazithunzi zojambulajambula. Mfundo zazikuluzikulu za pulogalamuyi zimayesedwa m'chipinda chamdima, ndipo zingakhale zosiyana zosiyana-siyana.
- Kuyang'ana TV kwa grayscale kwachitidwa mofulumira pa chithunzi chachikulu. Pachifukwa ichi, kusintha kwa mithunzi sikuyenera kukhala kolimba kwambiri kapena kusokoneza.