Isisombululo sesikrini seTV – yintoni umahluko kunye nendlela yokukhetha kuzo zonke iindidi

Isisombululo seTV – yintoni na, zeziphi iintlobo ezikhoyo kunye nendlela yokukhetha.

Yintoni na, kutheni kubalulekile ukukhetha isisombululo esifanelekileyo sesikrini seTV

Xa kuthengwa iTV, bahlala bezama ukukhetha enye enokubonelela ngomgangatho ophezulu. Nangona kunjalo, xa ufunda iinketho ezikhoyo, umsebenzisi ujongene nobukho beentlobo ezahlukeneyo zeeparitha zobugcisa, ezingasoloko zilula ukuzibona. Isisombululo sesikrini sesinye sezona zibalulekileyo xa ukhetha izixhobo zikamabonwakude ezikumgangatho ophezulu. Ukuqonda kakuhle indima yayo ekuqinisekiseni umgangatho womboniso, kufuneka uqonde imigaqo apho ukusebenza kwesikrini kusekelwe khona. Kuyaziwa ukuba okukhona isisombululo siphezulu, kokukhona kusetyenziswa iipikseli zesikrini.

Ii-pixels zizinto, nganye kuzo ibonelela ngowona mgangatho uphezulu wokuboniswa kwinqanaba elithile, kunye nokwenza umfanekiso oguqukayo wokubonisa ividiyo.

Iiphikseli zicwangciswe kwimiqolo kunye neekholamu. Xa uchaza imvume, inani lazo zombini likhankanyiwe. Ubukho benani elikhulu lezinto ezinjalo kwenza umfanekiso ube neenkcukacha kunye nomgangatho ophezulu. Kuya kufuneka uthathele ingqalelo ukuba yeyiphi na kunye nomgangatho wemibala ekhoyo kwipixel nganye. Ezi parameters azixhomekanga kuphela kubuninzi, kodwa nakwiteknoloji esetyenziswayo. Kwakhona kubalulekile ukuba umfanekiso ukhanye kangakanani. Kwezinye izikrini zinikezelwa ngamaphikseli, kwezinye kukho uluhlu olukhethekileyo lwale njongo.
Uyilo lweepikseli luxhomekeke kwiteknoloji esetyenziswayo. Kwiimeko ezininzi, zibandakanya ii-subpixels ezintathu (eziluhlaza, eziluhlaza okwesibhakabhaka kunye nobomvu), apho ukukhanya kubekwe ngokwahlukileyo. Umgangatho wemifanekiso ubukhulu becala umiselwa ngokulungiswa kwesikrini, kodwa kukwaxhomekeke kwezinye iinkcukacha zeTV kunye neemeko zokubukela. Ngexesha elifanayo, umzekelo, banikela ingqalelo kubungakanani be-diagonal, umlinganiselo we-aspect ratio yesikrini, umgama phakathi kombukeli kunye neskrini, kunye nabanye. https://cxcvb.com/texnika/televizor/vybor-podklyuchenie-i-nastrojka/na-kakoj-vysote-veshat-televizor.html Ubuninzi bePixel nge-intshi nganye yesikwere bubalulekile. Umzekelo, ukusebenzisa isisombululo se-1920×1080 kuya kwahluka ngokubonakalayo kwi-24″ kunye ne-27″ yabahloli ngenxa yokuba uphawu oluchaziweyo luya kwahluka. Kuya kufuneka kwakhona ubeke ingqalelo kwireyithi yokuhlaziya isikrini. Ukuba iphantsi kakhulu, umfanekiso uya kufiphaza kancinci, ngaloo ndlela ube negalelo ekwandeni okubonakalayo koxinzelelo lwamehlo.

Kukholelwa ukuba ubuncinci obufunekayo bungama-60 Hz, kodwa khumbula ukuba ukuphakama kwe-frequency, umfanekiso uya kuba ngcono.

Kufuneka kwakhona unikele ingqalelo kuhlobo lokutshayela olusetyenziswayo. Iindidi ezimbini eziqhelekileyo zisetyenziswa:

• idityanisiwe
• enenkqubela.

Kwimeko yokuqala, imiqolo yeepikseli ihlaziywa kuqala, kwaye imiqolo engaqhelekanga kamva. Ukulungiswa kwemigca elinganayo kunye nengaqhelekanga kubangela ukuqhwanyaza, okubangela ukukhathala kwamehlo. Uhlaziyo oluqhubekayo yonke imiqolo. Kwimeko yesibini, uhlaziyo lwesikrini luqhutywa kakuhle. Isisombululo esihle sichaphazela ezi mpawu zilandelayo:

1. Ibonelela ngeenkcukacha zomfanekiso . Ngesisombululo esiphezulu, ababukeli babona umfanekiso ocacileyo kwaye banokubona lula yonke into enomdla kubo.
2. Ukuguqulelwa kombala wendalo kukuvumela ukuba ubone ngcono okwenzekayo ngelixa ubukele.
3. Ukukhanya kunye nobunzulu bomfanekiso kwandisa indalo yomfanekiso.
4. Ukungabikho kweenguqu ezibukhali phakathi kweepikseli yimfuneko yokubonisa umgangatho ophezulu.
5. Azikho iithowuni ezingezozendalo okanye iimbalasane .

Ukuze ukhethe uhlobo olufunekayo lwesikrini, kufuneka uziqhelanise nokuba zeziphi izisombululo zezikrini zeTV ezithengiswayo.

Zeziphi iintlobo zezigqibo zeTV ezithandwayo kwaye zidumileyo

Kukho iintlobo ezininzi zezikrini ngokuxhomekeke kwisisombululo kunye nobuchwepheshe obusetyenzisiweyo. Ezona zigqibo zesikrini zixhaphakileyo Ezi zilandelayo zizisombululo ezizezona zidumileyo. Kule meko, iimpawu zabo eziphambili ziya kunikwa.

Isisombululo 640×480

Esi sigqibo siphelelwe lixesha. Yayisetyenziselwa oomabonakude bokuqala ngesisombululo se-4:3. Kukho iintlobo ezimbini: 640x480i kunye 640x480p. Kwimeko yokuqala, sithetha ngomgangatho (SE), okwesibini – malunga nokunyuka (SD) ukucaca. Ngaphandle kwesisombululo esisezantsi, kunokwenzeka ukujonga kulo mgangatho kwiiTV ezinediagonal ukuya kuthi ga kwi-intshi ezingama-20. Nangona kunjalo, akufanele ulindele umfanekiso okumgangatho ophezulu kunye neenkcukacha zomfanekiso omhle. Ifomathi ekuthethwa ngayo isetyenziswa kakhulu xa ubukele iinkqubo zikamabonakude kumabonakude osemhlabeni kwaye ayifane yenzelwe idijithali. Umgangatho uchaphazeleka yireyithi yokuhlaziya. KwiiTV ezinjalo, yi-30 okanye i-60 Hz. Ububi bokusebenzisa esi sisombululo bubonakala ngakumbi xa ujonga imiboniso ekhawulezayo.

HD Ready

Le fomati yeyecandelo lohlahlo lwabiwo-mali. Isisombululo kule meko siya kulingana no-1366×768.
Umboniso ukwifomathi yescreen esibanzi esingu-16:9. Xa usebenzisa izikrini ezine-diagonal ezingaphezu kwee-intshi ze-45, iziphene zemifanekiso zibonakala ngokucacileyo. Umzekelo, uya kuqaphela utshintsho lwemibala engaqhelekanga. Kukholelwa ukuba ababukeli baya kufumana umgangatho ophezulu ngokubukela iinkqubo kwisikrini kunye ne-diagonal ukuya kwi-intshi ezingama-25. Nangona kunjalo, umgangatho uhlala wamkelekile ukuya kuthi ga kwi-intshi ezingama-45. Ukusetyenziswa kwesi sigqibo kuyathetheleleka xa ubukela ezo vidiyo zicetywa ukuba ziboniswe ngolu hlobo. Ngokomzekelo, ukuba isikrini sithengelwa ukubukela umabonwakude osemhlabeni okanye kuphela ukusasazwa ngomgangatho ongekho phezulu kune-HD Ready, ngoko akukho sizathu sokuhlawula ngaphezulu kokuthenga imodeli ephezulu.

IHD epheleleyo

KwiiTV zanamhlanje, esi sigqibo sesinye sezona zidumileyo. Ibonelela ngematrix yeepikseli eziyi-1920×1080.
Izikrini ezinjalo ngaxeshanye zibonelela ngokujonga umgangatho ophezulu kwaye zifikeleleke ngokwexabiso. Umxholo olungiselelwe ukuboniswa kwiscreen esinezi mpawu usasazeke ngokubanzi. Olona bungakanani beskrini obulungileyo bokujongwa kule fomati bubukho be-diagonal kunye nobukhulu be-32 ukuya kwi-intshi ye-45. Nangona kunjalo, kwiziboniso ezithengiswayo kunye nesi sisombululo zinokufikelela kwi-intshi ezingama-60 ngediagonally. https://cxcvb.com/texnika/televizor/texnology/matrica-dlya-televizora.html

Ultra HD

Lo mgangatho ubizwa ngokuba yi-
4K . Ibonelela ngokujonga umgangatho ophezulu wezinto zevidiyo. Isisombululo se-3840×2160 senza kube lula ukubona nezona nkcukacha zincinci zomfanekiso. Kukholelwa ukuba akukho ngaphezu kwe-5% yezinto zevidiyo ezikhutshwayo kule fomati. Ukuthenga iTV yolu hlobo kunengqiqo kwindawo yokuqala xa kukho ividiyo eyaneleyo yezinga elifanelekileyo.
Ukuthenga i-4K ukuze ubukele iinkqubo kwisisombululo esisezantsi akukho nzuzo. Ukujonga, izikrini ukusuka kwi-39 ukuya kwi-80 intshi diagonally zifanelekile. Iziboniso ezivela kwi-55-65 intshi zibhekwa njengezona zifanelekileyo. https://cxcvb.com/texnika/televizor/texnology/4k-ultra-hd-razreshenie.html

8K Isigqibo

Umgangatho wezikrini zikamabonwakude uhlala uphuculwa. Lo mgangatho ubonelela ngokujongwa komgangatho ophezulu. Ihambelana nesisombululo se-7680×4320 pixels. Ubuninzi bepixel apha buphezulu ngokuphindwe kane kune-Ultra HD. Ngaphandle komgangatho ophezulu weeTV ezikuvumela ukuba usebenzise ngokupheleleyo inzuzo ye-8K, zimbalwa ziveliswa. Esinye sezizathu zoku linani elingonelanga leevidiyo ezihlangabezana neemfuno ezifanelekileyo. Ke, uthenge iTV ekumgangatho ophezulu kakhulu, umntu uya kubukela kakhulu iinkqubo ezihambelana nenqanaba elisezantsi lomgangatho. Lo mgangatho unokubonwa ngokubanzi njengomgangatho ojonge phambili, ojoliswe ukuba usetyenziswe ngokusebenzayo kwixesha elizayo.

Ixabiso eliphezulu lenza ukusetyenziswa kwalo kungafikeleleki kwezinye iindidi zabathengi.

Indlela yokukhetha isisombululo seTV kwiimfuno zakho

Xa ukhetha isisombululo seTV, kufuneka uqwalasele ukuba yintoni umxholo omele ubukelwe kwaye uthathele ingqalelo ubungakanani bediagonal. Ngokwenza oko, kufuneka unikele ingqalelo koku kulandelayo:

1. Kumabonakude osemhlabeni, i-HD Ready yeyona ndlela ilungileyo. Ukuba kukho intambo yeTV okanye umxholo wevidiyo olungiselelwe ukujongwa kulo mgangatho, ngoko ungasebenzisa ifomathi ekuthethwa ngayo.
2. Ukuba usebenzisa isitya sesathelayithi, iBlue-Ray, okanye ividiyo ekumgangatho owaneleyo, iHD egcweleyo yeyona ilungileyo.
3. Ngomxholo ophezulu ojoliswe ukuba uboniswe kwi-4K, kunengqiqo ukuthenga i-Ultra HD.

Xa ukhetha, kubalulekile ukuqwalasela iimfuno ezinxulumene nobukhulu besikrini. Ukuba isikrini sincinci, ukubukela kule okanye umgangatho ombi kakhulu kuya kuba nzima ukwahlula. Kule meko, unokucinga ukuba ungahlawuleli kakhulu umgangatho ophezulu. Isiboniso esikhulu kakhulu sinokubonisa ubuhlalu kunye nezinye iziphumo zemifanekiso. Ukuze ufumane umgangatho wokujonga ofunekayo, kuyimfuneko ukusebenzisa umgama ochanekileyo ukusuka kwesikrini xa ujonga. Kufuneka ibe yinto egxininisa iimpawu ezintle zesikrini esikhethiweyo. https://youtu.be/RUrMWnY_Gvg

IiTV ezahlukeneyo ezinezisombululo ezahlukeneyo-imizekelo ka-2022

Nantsi imizekelo yeemodeli zeTV ezidumileyo ezenzelwe ukujongwa ngezigqibo ezithile.

Samsung UE32N5000AU

Isebenzisa idiagonal yee-intshi ezingama-32. Isikrini sinesisombululo se-1920×1080. Umboniso wenziwa ngokusebenzisa iteknoloji ye-LED. Itekhnoloji yokuphucula umbala obanzi ibonelela ngokuqaqamba okuhle kokuqaqamba kunye nomgangatho ophezulu wombala.

Hitachi 32HE1000R

Isisombululo seTV yi-1366×768. Isixhobo sinediagonal yee-intshi ezingama-32. Isikrini sihlaziywa ngokuphindaphindiweyo kwe-50 Hz. Ibonelela ngomsebenzi ngamagalelo amabini e-HDMI. Ifomathi yesikrini yi-16:9.

Imibuzo neempendulo

Umbuzo: Ilungile kangakanani isisombululo se-1920×1080? Impendulo: Kuhle kuba kwiimeko ezininzi kukuvumela ukuba ufumane ukujonga okusemgangathweni kwixabiso elifikelelekayo. Uninzi lomxholo weTV ufanelekile ukubukela ngalo mgangatho. Ke ngoko, ukhetho olunjalo kwinani elibalulekileyo lamatyala lunokuba lufanelekile.
Umbuzo: Ngaba kunengqiqo ukugcina imali kwaye uthenge isikrini se-720p okanye efanayo endaweni ye-1080p? Impendulo: Kwelinye icala, ixesha elide umahluko kumaxabiso wawuphezulu. Kule meko, kwimeko eqwalaselwayo, ukonga okubalulekileyo kunokufezekiswa. Ngoku umahluko kumaxabiso wehlile kakhulu kwaye ahluka kancinci. Kule meko, kunenzuzo ngakumbi ukuthenga i-1080p, ekubeni umgangatho uphezulu kakhulu, kwaye iindleko ziphantse zifana.
Umbuzo: Ukuba uneendlela zemali, ngaba kufuneka uthenge i-TV ye-4K? Impendulo: Kule meko, umgangatho womfanekiso uya kuba phezulu. Nangona kunjalo, kukho umxholo omncinci okhutshwe apho umahluko ekubukeni uya kubonakala. Ke ngoko, malunga neepesenti ezingama-95 zeemeko, kuya kubakho ukubonwa kwezo mathiriyeli zevidiyo apho umamkeli kamabonwakude okumgangatho ophantsi wanele. Ukuthenga okunjalo kunenzuzo kuphela ukuba kukho iividiyo ezaneleyo kunye nemiboniso yeTV eyenzelwe ukujongwa kumgangatho we-4K.