HDTV (High Definition TV) 1080i VS 1080p HDTV (High Definition TV-) 1080i VS-1080p
Nowadays, we are moving into the HD world that provide us better resolution on the screen. Danas smo se kreće u HD svijetu koji nam pružaju bolju rezoluciju na ekranu. When shopping for a HD television, you will often notice there are 2 major video formats supported, ie 1080i and 1080p. Kada kupujete za HD televiziju, često ćete primijetiti postoje 2 glavne video formata podržani, odnosno 1080i i 1080p. But do you know exactly what is the differences between HD 1080i and HD 1080p? Ali da li vi znati točno što je razlika između HD 1080i i HD 1080p?
For HD 1080i (1920×1080), the 1080 refers to the number of interlaced pixel scan lines appearing on a screen – 1,080. Za HD 1080i (1920 × 1080), 1080 se odnosi na broj piksela interlaced scan linije koje se pojavljuju na zaslonu - 1.080. The screen has 1,080 vertical pixels by 1,920 horizontal pixels. Zaslon ima 1.080 okomitih piksela po horizontalnim 1.920 piksela. i stands for interlace scanning format which scanning “paints” the picture on the screen by first filling in all the odd-numbered scan lines then filling in all the even-numbered scan lines so that you only get half of the lines of the picture in the first scan and the second half of lines in the second scan. ja se zalaže za ispreplesti scannirajući format skeniranja koji "boje", slika na zaslonu tako što prvo punjenje u svim-brojevima neparne linije skandirati tada punjenje u svim čak i brojem scan linije, tako da ćete dobiti samo pola linija slike u prvo skenirati i drugu polovicu linije u drugom scan. This all happens so quickly that human eye is tricked into seeing a complete picture. Ovo sve se događa tako brzo, da ljudsko oko vidi prevarili u kompletnu sliku.
On another hand, HD 1080p (1920×1080) means that the resolution of the picture is 1,920 vertical pixels by 1,080 horizontal pixels and p stands again for progressive scanning or non-interlaced. S druge strane, HD 1080p (1920 × 1080) znači da je rezolucija slike je 1.920 okomitih piksela po 1.080 piksela horizontalne i p stoji opet za progresivno skeniranje ili non-interlaced. This scanning format works on the same principle as HD 720p that scans all the lines at once, thus giving a clearer and flicker-free picture. Ovaj format skeniranja radi na istom principu kao i za HD 720p da skenira sve linije odjednom, dajući time jasnije i flicker-free slika. The only difference is that in this type there are more pixels and the resolution is better. Jedina razlika je da u ovoj vrsti postoji više piksela i rješenje je bolje. As it's considered as HDTV video mode, 1080p is sometimes referred to in marketing materials as “True High-Definition” or “Full High-Definition”. Kao što se smatra kao HDTV video način rada, 1080p je ponekad iz marketinškim materijalima kao "True High-Definition" ili "Full High-Definition".
Technically speaking, progressive scan 1080p is superior to interlaced scan 1080i, but HD-DVD and Blu-ray discs are currently the only sources of HD 1080p content. Tehnički govoreći, Progressive Scan, 1080p je superiorniji interlaced skeniranje 1080i, ali je HD-DVD i Blu-ray diskovi su trenutno jedini izvori HD 1080p sadržaja. Nowadays, some video contents in 1080p format also available in Danas, neki video sadržaja u 1080p formatu također dostupna u Apple Quicktime Movie Trailer Apple Quicktime Movie Trailer and i WMV HD Content Showcase WMV HD Content Showcase . .
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March 21st, 2009 09:48 21 ožujak 2009 09:48
twice frame rate–>isnt tat cuz interlaced scanning scans the screen twice? dvaput frame rate-> isn't heklati cuz interlaced skeniranje skenira ekran dvaput? first odd lines and then even lines..rite? prvi neparnih, a zatim parne linije .. obred? so in effect, both are same ryt? tako da u suštini, oba su isti ryt? (tat is, in case of smoothness) (TAT je, u slučaju glatkoće)
March 28th, 2007 11:48 28 ožujak 2007 11:48
Also remember to consider frame rates as well. Također zapamtite da razmotre frame rate as well.
1080i is typically 50/60i fps 1080i je obično 50/60i fps
1080p is usually 24/25/30p fps 1080p je obično 24/25/30p fps
As there a twice as many frames per second in 1080i, the motion is smoother. Kao što postoji dvostruko veći broj sličica u sekundi u 1080i, prijedlog je glatko. However, 1080p will look better in low-motion scenes. Međutim, 1080p će izgledati bolje u nisko-motion scene.
A decent decoder should deinterlace/interpolate a 1080i scene correctly to give you an end result that is very nearly on par with 1080p. Pristojan dekoder treba rasplesti / interpolirati 1080i scena ispravno da vam krajnji rezultat da je vrlo skoro na nivou 1080p.