Lithini izinga lokuvuselela isikrini se-TV futhi yikuphi okungcono?

Ipharamitha efana nezinga lokuvuselela isikrini se-TV iwujuqu kulabo abafuna ukusebenzisa ubuchwepheshe ngokuphephile ukuze babone futhi bathole isithombe sekhwalithi ephezulu. Imvamisa yokushanela (i-hertz) ikhonjiswe emiyalweni yanoma iyiphi i-TV noma imonitha, njengoba inquma ukuthi kuzokhululeka yini ukusebenza noma ukubuka izinhlelo isikhathi eside. Ukuze wenze ukukhetha okufanele, kunconywa ukuthi ufunde ngokucophelela zonke izici, uqhathanise ne-hertz. Lokhu kuzokusiza uqonde ukuthi iyiphi inkomba efanele umsebenzisi othile.

Ithini imvamisa yokushanela, sikhuluma ngani, yiziphi izinhlobo ze-hertz ezisetshenziswa kuma-TV

Ngaphambi kokungena ezicini zomqondo, udinga ukuzinqumela ukuthi liyini izinga lokuvuselela isikrini, ukuthi lithinta ini, kungani licatshangelwa abakhiqizi. Umkhiqizi ngamunye, othatha indlela enesibopho emsebenzini wakhe, ubonisa imingcele yokuvuselela ngokuqondile kudivayisi, emiyalweni noma emaphaketheni. Izilinganiso zokuvuselela ezicelwe kakhulu yilezi:

• 60 Hz.
• 120 futhi 100 Hz.
• 240 Hz.

Amamonitha esimanje nama-TV nawo anenketho elingana no-480 Hz. Kubalulekile ukuthi uqale uchaze ukuthi iyini i-hertz ku-TV nokuthi yini enquma izinga lokuvuselela. Ngamagama alula, lena inamba ethile yezikhathi ngomzuzwana lapho isithombe sibuyekezwa kusikrini se-TV noma isiqaphi sekhompyutha. Isibonelo, uma kumenyezelwa u-60 Hz, isithombe (isithombe esibonwa umuntu) sibuyekezwa izikhathi ezingama-60 ngomzuzwana. Kubalulekile ukuqonda ukuthi ukuphakama kwezinga lokuvuselela, isithombe sizoba ngcono, futhi sizobonakala kahle. Endabeni yama-TV, ukukhetha kuvezwa kulezi zinketho ezilandelayo:

1. Ubuchwepheshe be -LCD yintuthuko yokuqala eyethulwa kuma-LCD TV nama-monitor. Ukwakhiwa kwesithombe kuleli cala kwenziwa kusetshenziswa ukukhanya okukhethekile kwe-fluorescent, okubizwa ngokuthi i-CCFL. Amadivayisi anjalo ayakwazi ukukhiqiza ikhwalithi yesithombe emaphakathi. Lapho ukhetha le matrix, udinga ukunaka ukuthi ukuze ugweme ukucwayiza, udinga ukukhetha i-TV eno-100 Hz nangaphezulu.
2. Ama- LED  angama-matrix e-LCD athuthuke ngokobuchwepheshe. Ama-TV namamonitha kuleli cala anezelwa ngohlelo olusha lokukhanyisa isithombe kusetshenziswa ama-diode e-LED athembekile futhi asebenzayo. Zinokugqama okuphezulu. Kuyadingeka ukunaka iqiniso lokuthi ukubekwa kwama-diode phezu kwendawo yesikrini kungahluka. Lokhu kunquma ikhwalithi yesithombe yokugcina. Ibhalwe kumadivayisi ngokuthi “Full LED”, “True LED” noma “Direct LED”. Kulokhu, ukukhanya kwangemuva kuzosatshalaliswa ngokulinganayo kuyo yonke indawo yesikrini noma imonitha. Uma “Edge LED” kukhonjisiwe, kusho ukuthi diode itholakala kuphela izingxenye ekupheleni. Ikhwalithi yesithombe enhle kuleli cala izobonisa i-TV engu-50 Hz noma engu-60 Hz.
3. Iphaneli ye-Plasma – ngesithombe sekhwalithi ephezulu, ayisadingi ukukhanya okwengeziwe, njengoba amaseli akhanyiswa emisebeni ye-ultraviolet ewela kuma-phosphors. I-Plasma iletha ukugqama okuphezulu kanye nobumnyama obujulile, obucebile. Kufanele kukhunjulwe ukuthi ngemva kweminyaka embalwa, amangqamuzana e-plasma aqala ukushisa kancane kancane, okuthinta kabi ikhwalithi yesithombe.
4. I- OLED ubuchwepheshe besimanje obubonisa ikhwalithi yesithombe enhle kakhulu, imibala ejulile necebile, kanye nezinhlobonhlobo zemithunzi. Ama-TV angu-200Hz agobile, amaphaneli azacile kakhulu, amamodeli amakhulu etiyetha yasekhaya, wonke kulesi simo azokunikeza ukunethezeka ngenkathi ubukele i-TV noma usebenza kukhompuyutha.

Izinga lokuvuselela isikrini se-TV ngu-120 noma 60 Hz kuma-TV, kuqhathaniswa i-TV ezigcawini eziguqukayo ezinamanani ahlukene ozimele: https://youtu.be/R86dWrDnulg 50 ozimele ngomzuzwana. Ukucutshungulwa kwevidiyo yedijithali kwenze kwaba nokwenzeka ukukopisha ifreyimu ngayinye enjalo futhi uyibonise kabili. Ngokusebenzisa le ndlela, kwakungenzeka ukwakha i-TV eyi-100 hertz. Ubuchwepheshe obusetshenziswa kuyo buvumele ukuqeda ukucwayiza, okwenza isithombe sibe bushelelezi futhi sithandeke kakhulu emehlweni. Ukudweba ozimele abengeziwe ukuze udale isithombe esiphelele kusekelwe ekuhlaziyweni kwezikhathi ezedlule, okuqinisekisa ukunemba okuphezulu kwesithombe esiboniswa esikrinini. Izinto ezihamba ngesivinini esikhulu, isibonelo, zizoba bukhali futhi zingafiphali kulokhu.

Yini ethinta i-hertz kuma-TV

Kungumqondo omuhle futhi ukwazi ukuthi izinga lokuvuselela isikrini sakho se-TV lithinta ini. Ukuze wenze lokhu, udinga ukuqonda ukuthi inqubo yokuthwebula ividiyo yenzeka kanjani. Ithwebula isenzo esithile esenzeka ngesikhathi esithile. Umphumela uba izithombe ezimbalwa ezimile, ezibizwa ngokuthi amafreyimu. Ngemva kokusondela kwabo, ungakwazi ukubona ukuqhubeka kokunyakaza. Ezimweni eziningi, izilinganiso zozimele zokusakaza kwe-analog (izinhlelo zokusakaza ze-TV) zisekelwe kubuningi bamandla kagesi anikeziwe. Yingakho amanani ozimele ehlukile e-US, Russia noma eYurophu. Kwamanye amadivaysi kukhona amagama e-PAL noma e-NTSC, kuma-VCP akhiqizwa emashumini ambalwa eminyaka adlule, lokhu akuyona into engaphezu kwezifunda lapho le ndlela ingasebenza ngokugcwele. Ngokwesibonelo, Ama-PAL afaka i-UK kanye nengxenye enkulu yeYurophu. Lapho izinga lozimele lizoba ngu-25 fps. Izifunda ze-NTSC zibhekisa e-US. Lapha imvamisa isivele ingozimele abangu-30 ngomzuzwana.
Uma ividiyo irekhodwa efilimini evamile (engafakwanga kwidijithali), kuzodlula amafreyimu angama-24 ngomzuzwana. Ukuxhuma ukusakaza kwevidiyo ye-analog ngokuvamile kwenziwa ukuze kongiwe umkhawulokudonsa osetshenziswayo. Lokhu kubalulekile, isibonelo, ngesikhathi sokusakazwa kohlelo. Ngenkathi isithombe sidluliselwa esikrinini se-TV, idivayisi izodlala amafreyimu ngendlela efanele. Kuvele ukuthi imvamisa yevidiyo ehlanganiswe ezifundeni ze-PAL ngu-50 Hz, futhi ezifundeni ze-NTSC ngu-60 Hz. Izinga lokuvuselela isikrini se-TV lithinta ukushelela kwesithombe kanye nokungabi bikho kokucwayiza.

Kubalulekile ukukhumbula ukuthi ukuthuthukiswa okuqhubekayo kobuchwepheshe, ukuthuthukiswa kwabo okulandelayo kuholela eqinisweni lokuthi amamodeli amasha athola isithombe esicacile nesingokwemvelo.

Ingabe izinga lokuvuselela lithinta ukusebenza?

Udinga ukwazi hhayi kuphela ukuthi liyini izinga lokuvuselela isikrini se-TV, kodwa nokuthi yimiphi imisebenzi ephethwe yilebu buchwepheshe. Ukungabikho kwe-flicker kunomthelela omuhle empilweni yamehlo. Uma ubuka izinhlelo noma amamuvi isikhathi eside, udlala kukhompyutha noma usebenza usebenzisa imonitha, kungcono ukhethe inketho yedivayisi lapho imenyezelwa khona ngaphansi kuka-100 Hz. Ukusebenza ngokusebenza kahle kwezobuchwepheshe akuthintwa izinga lokuvuselela isikrini. Lobu buchwepheshe buhlobene ngokuqondile nengxenye ebonakalayo nobuhle besithombe. Ngakho-ke, impendulo yombuzo wokuthi ngabe ukuqapha kwe-hertz kuthinta ukusebenza kwekhompyutha akukho, kodwa esimweni sekhwalithi yesithombe nokuphepha kwamehlo, yebo.

Isiphi isilinganiso sokuvuselela isikrini se-TV esilungele amehlo

Lapho ukhetha i-TV, izinga lokuvuselela liba ngomunye wemingcele eyinhloko lapho ikhwalithi yayo, ukwethembeka, isimanje kanye nokufaneleka kokusetshenziswa kwesikhathi eside kwahlulelwa. Ngaphambi kokuthenga, kunconywa ukuthi unqume ukuthi yimiphi imisebenzi oyidingayo i-TV noma imonitha. Uma umsebenzi oyinhloko uwukubuka iziteshi ze-TV zedijithali noma zekhebula, amamuvi ekhwalithi ye-HD, khona-ke kuzokwanela kumsebenzisi ojwayelekile ukuthenga imodeli nge-60 Hz. Kulokhu, umuntu ngeke abone umehluko omkhulu mayelana nombono obonakalayo wesithombe, uma kuqhathaniswa, isibonelo, nge-100 Hz. Esimeni lapho idivayisi ihloselwe ukusetshenziswa kakhulu njengeqapha imidlalo yevidiyo noma ama-consoles, kanye nezinye izingxenye zokuzijabulisa, kanye nokubuka amamuvi anemiphumela ehlukahlukene ekhethekile noma ukulungiswa okuphezulu,
Enye inketho lapho udinga ukunaka khona i-hertz ukusebenzisa i-TV ngokwezinga elikhulu ukuze ubuke izigcawu eziguqukayo esikrinini esikhulu. Lokhu akubandakanyi izigcawu zamafilimu kuphela, kodwa futhi nebhola lezinyawo neminye imidlalo yezemidlalo, imijaho yezimoto, noma yimiphi eminye imicimbi yesivinini esikhulu, imidanso, imidlalo enenani elikhulu lezinto ezihambayo. Kulokhu, kunconywa ukuthi unikeze okuthandayo kumishini ebiza kakhulu futhi uthenge i-TV ye-200 hertz. Kufanele kukhunjulwe ukuthi lapho okunamandla, okushesha ukunyakaza kwento noma ukuhlukunyezwa kwe-trajectory yokuhamba kwayo, umehluko obonakalayo phakathi kwamadivayisi ku-60 no-120 Hz. Uma ikhwalithi yevidiyo iphansi ekuqaleni (isibonelo, ukwamukela isignali ye-TV embi),

Ukuqhathaniswa kwe-hertz ehlukene

Ngemva kokuba kucace ukuthi inani le-hertz ku-monitor noma isikrini sethelevishini lithinta, udinga ukuqhathanisa izinkomba ezihlukahlukene. Isibonelo, kunconywa ukuthatha inketho ethandwa kakhulu – 60 Hz no-120 Hz.
Okudluliswayo okujwayelekile kungenziwa kabusha ngekhwalithi yesithombe evamile nge-TV engu-50 noma engu-60 hertz. Yingakho ukusakaza ngokuvamile kusakazwa ngezinkomba ezinjalo. Esimeni lapho ukusakaza okufanayo kudlalwa ku-TV esebenza ngo-120 Hz, ifremu ngayinye equkethwe ekusakazweni, empeleni, izophindwa kabili. Umsebenzisi uzogcina enozimele abangu-120 ngomzuzwana. Ama-TV esimanje angashintsha ngokuzenzakalelayo asuke ku-120Hz aye ku-60Hz. Lokhu kudinga umbandela owodwa kuphela okumele kuhlangatshezwane nawo, ukuthi kukhona isignali yokufaka ividiyo, okungamafreyimu angama-60 ngomzuzwana. Ngemva kokuhlaziya okuqhathanisayo, kuyacaca ukuthi ukuthi awudingi ukuthenga i-TV noma ukuqapha ngenani lokuvuselela elingu-120 Hz ukuze ubuke okuvamile ukusakazwa kokusakaza – umsebenzisi ojwayelekile ngeke awubone umehluko kusukela ku-60 Hz. Uma okokusebenza kuthengwa ukudala isethi yegeyimu, khona-ke kulungile ukusebenzisa i-120 Hz ncamashi, ngoba kulokhu isithombe sizocaca futhi sibushelelezi, futhi amehlo ngeke acindezele. Okufanayo kusebenza kulawo macala lapho usebenza kukhompyutha / ubuka i-TV kuthatha amahora angaphezu kwama-2 ngosuku.
Inzuzo yama-TV namamonitha anesilinganiso esimenyezelwe sokuvuselela isikrini esingu-120 Hz izokwengezwa ukucaca kwesithombe. Amavidiyo ngesikhathi sokudlala abukeka eshelela ku-120Hz TV uma kuqhathaniswa nedivayisi engu-60Hz. Futhi, uma ukhetha i-TV engu-120Hz, ungakwazi ukwengeza ukuhumusha kokunyakaza emthonjeni wevidiyo ongu-60Hz. Ama-TV anezilinganiso eziphakeme asetshenziswa kancane. Zifakwe, isibonelo, ezinkundleni zemidlalo yaseshashalazini ukuze kuzuzwe ukucwiliswa okukhulu kakhulu esithombeni, ukubona yonke imibala engenzeka kanye nama-shades ngenkathi usebenza kubahleli abahlukahlukene. https://cxcvb.com/texnika/domashnij-kinoteatr/2-1-5-1-7-1.html

Ama-TV angcono kakhulu ka-2022 ane-hertz ehlukile

Ukuzitholela impendulo yombuzo, isiphi isilinganiso sokuvuselela isikrini se-TV esingcono, esikahle, esisheshayo futhi esilula usebenzisa izilinganiso zama-smart TV angcono kakhulu njengesibonelo. Ku-50-60 Hz, phezulu kuzoba kanje:

1. Imodeli ye-Irbis 20S31HD302B iyi-TV ehlangene ene-diagonal engamayintshi angu-20. Ukulungiswa kwesikrini se-HD. Kukhona ukukhanya kwe-LED nomsindo wekhwalithi ephezulu, ojulile futhi ocacile. Imibala igqamile futhi igcwele, ikhwalithi yesithombe iphezulu. Izindleko zingama-ruble angama-25,000.
2. Imodeli ye-Xiaomi Mi TV 4S 55 T2 inomklamo  osesitayeleni futhi wesimanje, kukhona amafreyimu amancane akuvumela ukuthi ucwilise ngokugcwele esithombeni.Kunomsindo we-stereo nokukhanya kwe-LED okukhanyayo. Njengesengezo esingeziwe – umsebenzi we-Smart TV. Izindleko zingama-ruble angama-90,000.
3. Imodeli ye-Samsung T27H390SI – I-TV ine-diagonal yesikrini engamayintshi angu-27. Umsindo we-stereo kanye nokukhanyisa kwe-LED kwekhwalithi ephezulu kuyasetshenziswa. Izici zesimanje ziqoqwa kubuchwepheshe be-Smart TV. Izindleko ziyisilinganiso sama-ruble angama-64,000.

Ama-TV ahamba phambili ane-100-120Hz:

1. Imodeli ye-Samsung UE50TU7090U 50 yethulwe ngomklamo osesitayeleni nosemfashinini . Izokujabulisa ngemibala ecebile nemithunzi, umsindo ocebile. I-diagonal yesikrini ingamayintshi angu-50. Ukulungiswa – i-HD egcwele nekhwalithi ephezulu. Ukukhanya kwe-LED kukhona. Izindleko zingama-ruble angama-218,000.
2. Imodeli ye-Samsung UE65TU7500U LED – isebenzisa ubuchwepheshe obungenasici, ine-headphone jack. Imisebenzi ye-Smart TV, ukukhanya kwangemuva kanye nomsizi wezwi kuyasebenza. Wonke amafomethi aziwayo wevidiyo nawomsindo ayasekelwa. Izindleko zingama-ruble ayi-120,000.
3. Imodeli ye-LG OLED55C9P  – i-TV inomklamo osesitayeleni namafreyimu amancane kakhulu. I-diagonal ingamayintshi angu-55. Zonke izixhumi ezidingekayo zikhona, amafomethi amaningi wevidiyo nawomsindo ayasekelwa. Kungenzeka ukuxhuma ku-inthanethi ngaphandle kwentambo. Izindleko zingama-ruble ayi-180,000.

Ngokusetshenziswa kwasekhaya, ama-TV angu-100 Hz yiwo amukeleka kakhulu, uma siwacabangela ngokwezindleko nekhwalithi enikezwa umsebenzisi. Amamodeli anokufundwa kwama-hertz angaphezu kuka-200 enzelwe ukusetshenziswa kochwepheshe. Izindleko zabo zizophakama izikhathi eziningana.

Ungayithola kanjani imvamisa ku-TV yakho

Ukuze uthenge imodeli ye-TV enamanani afunwayo e-hertz, kubalulekile ukunaka. Uma okokusebenza ku-odwe esitolo se-inthanethi, kuzomele ufunde incazelo. Izoqukatha le pharamitha. Futhi, ulwazi olunjalo lukhona ngempela encwadini yeziqondiso. Kuthatha imizuzu embalwa kuphela ukuthola inani elikhethekile lemodeli ethile ye-TV. Uma ngesikhathi sokuthenga umsebenzisi engakwazi lokhu, ungabheka inkomba kakade ekhaya. Ukuze wenze lokhu, udinga ukuvula i-TV, bese uya kumenyu enkulu bese uya kuzilungiselelo. Izokhombisa ukuthi imodeli ethengiwe ikhiqiza ama-hertz amangaki.
Endabeni ye-monitor yekhompyutha, konke nakho kulula kakhulu. Uzodinga ukuya esigabeni “sokulungiswa kwesikrini”, bese uye kokuthi “izinketho”. Ngemuva kwalokho, uzodinga ukuya kuthebhu “yokuqapha” futhi inani idivayisi ethengiwe ekwazi ukulikhipha lizokhonjiswa lapho. Kuzinhlelo zokusebenza zesimanje, izinyathelo zizohluka kancane. Udinga ukuya “kuzilungiselelo”, uye kokuthi “izilungiselelo ezithuthukisiwe”, bese uye kokuthi “izakhiwo ze-adaptha yezithombe”, “qapha” futhi futhi “izinketho”. Ngemuva kwalokho kuzovela isici asifunayo umsebenzisi.