Okushiwo yi-Term 1080p

Iyiphi i-1080p nokuthi kungani ibalulekile ezweni le-TV

Lapho uthengisa ingxenye entsha ye-TV noma yekhaya, abathengi babhekwa ngamagama angamazwi angahle adideke.

Umqondo owodwa odidekayo ukulungiswa kwevidiyo . I-1080p iyisinqumo sokubalulekile sevidiyo sokuqonda kodwa kusho ukuthini?

Incazelo ye-1080p

I-1080p imelela amaphikseli angu- 1,920 aboniswe ngaphesheya kwesikrini ngokuzungezile namaphikseli angu-1,080 phansi kwesikrini ngokuqondile.

Amaphikseli ahlelwe ngemigqa noma imigqa. Lokhu kusho ukuthi lawo maphikseli angu-1,920 ahlelwe ngemigqa eqondile ewela isikrini ukusuka kwesobunxele kuya kwesokudla (noma kwesokudla kuya kwesobunxele uma ukhetha), kuyilapho amaphikseli angu-1,080 ehlelwe emigqeni noma emigqeni, ephuma phezulu kuya phansi kwesikrini ngokuzungezile . I-1,080 (ebizwa ngokuthi isinqumo esinqunyiwe - kusukela ekupheleni komugqa ngamunye wephikelomu ngakwesokunxele nangakwesokudla emaphethelweni esibukweni) yilapho ingxenye engu-1080 yegama elithi 1080p ivela khona.

I-Total Number Of Pixels Ngo-1080p

Ungase ucabange ukuthi amaphikseli angu-1,920 aboniswa kwesikrini, futhi amaphikseli angu-1,080 asebenza kusuka phezulu kuya phansi, abonakali lokho okuningi. Kodwa-ke, uma ukwandisa inani lamaphikseli ngaphesheya (1920) nangaphansi (1080), inani liyi-2,073,600. Lena inombolo ephelele yamaphikseli aboniswe esikrinini. Emigomeni yekhamera / yezithombe zedijithali, lokhu kungu-2 Megapixel. Lokhu kubizwa ngokuthi yi-Pixel Density.

Kodwa-ke, ngenkathi inani lamaphikseli lihlala lilingana kungakhathaliseki ukuthi lingakanani usayizi wesibuko, inani lamaphikseli-ngamasentimitha lishintsha njengoba ubukhulu beskrini bushintsha .

Lapho i-1080p ifinyelela khona

I-1080p icatshangwa eduze nekhwalithi yekhwalithi yokuxazululwa kwevidiyo okusetshenziselwa kuma-TV nakumavidiyo weprojekthi (okwamanje i- 4K iyona ephakeme kakhulu - ilinganiselwa ku-8.3 megapixels ), ayibambeli ikhandlela kwisinqumo se-megapixel ngisho neningi lamadijithali angabizi namanje amakhamera. Isizathu salokhu ukuthi kuthatha okuningi ukuhamba komkhawulokudonsa kanye nokucubungula amandla ukukhiqiza izithombe ezihambayo kunamanje izithombe, futhi okwamanje, ukulungiswa kwevidiyo okuphezulu okungenzeka ukuthi kusetshenziswa ubuchwepheshe bamanje ngu- 8K, okugcina ekufinyeleleni kwesitoreji sedijithali namanje ama-megapixel angu-33.2 ). Noma kunjalo, kuzobe sekuyiminyaka embalwa ngaphambi kokuba sibone ama-TV angu-8K njengomkhiqizo ovamile owanikezwa abathengi.

Lapha Kuza & # 34; P & # 34; Ingxenye

Kulungile, manje ukuthi unayo ingxenye ye-pixel ingxenye ye-1080p phansi, kuthiwani mayelana ne-P? Okushiwo yi-P kuyinqubekela phambili. Cha, ayihlangene nezombusazwe kodwa ihlobene nokuthi i-pixel ihamba kanjani (noma imigqa) iboniswa kwideskithophu ye-TV noma ividiyo. Uma isithombe siboniswa kancane kancane, kusho ukuthi imigqa yamaphikseli yonke iboniswa esibukweni sequentially (enye emva komunye ngokulandelana kwamanani).

I-1080p ihlobene kanjani namaTV

I-1080p iyingxenye yezinga eliphezulu lamavidiyo we-video landscape. Isibonelo, ama-HDTV, ikakhulukazi lawo angama-intshi angu-40 noma ngaphezulu , okungenani abe nesiboniso somdabu (noma i-pixel) isinqumo esingu-1080p (nakuba inombolo ekhulayo manje ingama-4K Ultra HD TV).

Lokhu kusho ukuthi uma ufaka isignali ku-TV ye-1080p enezinqumo ezingaphansi kuka-1080p, i-TV izocubungula leyo signal ukuze ibonise isithombe kukho konke kwesikrini sayo. Le nqubo ibizwa ngokuthi yi- Upscaling .

Lokhu kusho nokuthi izibonakaliso zokufaka ezinqumweni ezingaphansi kuka-1080p ngeke zibukeke njengezibonakaliso zomsindo wevidiyo we-1080p weqiniso ngoba i-TV kufanele igcwalise lokho okucabanga ukuthi ilahlekile. Ngezithombe ezihambayo, lokhu kungaholela ekusebenzeni okungafunwa okufana nemiphetho egijimayo, ukuphuma kwebala, ukukhishwa kwe-macroblocking, ne-pixelation (lokhu kuyiqiniso uma udlala lawo mathebula aseVHS endala!). Ukuqagela okucacile kwe-TV kwenza, ngcono isithombe sizobukeka. I-TV akufanele ibe nobunzima ngamasignali wokufaka angu-1080p, afana nalawa avela ku-Blu-ray Disc, nezinsizakalo zokusakaza / ikhebula / i-satellite ezinganikeza iziteshi ngo-1080p.

Izimpawu zokusakazwa kwe-TV kungenye indaba. Nakuba i-1080p ibhekwa njenge-Full HD, akuyona ingxenye yesakhiwo esiteshini se-TV lapho kusakazwa izimpawu zevidiyo eziphezulu eziphezulu emoyeni. Lezo zimpawu zizoba ngu- 1080i (i-CBS, i-NBC, i-CW), i- 720p (i-ABC), noma i- 480i kuye ngokuthi yisiphi isixazululo esiteshini, noma inethiwekhi yabo ehambisana nayo yamukele. Futhi, ukusakazwa kwe-TV ku-4K kusendleleni .

Ukuze uthole imininingwane eyengeziwe ngo-1080p nezinhlelo zayo nge-TV, bhekani esihlokweni somngane wethu: Wonke ama-TV angu-1080p .