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480i vs 240p on an old TV
480i vs 240p on an old TV
Published: 2016/09/08
Channel: Michael MacEachern
Playstation 2 480i vs 1080i
Playstation 2 480i vs 1080i
Published: 2014/10/10
Channel: Matheus Galli Lalli
GTA V Quality Test (480i)
GTA V Quality Test (480i)
Published: 2014/03/09
Channel: ThePhen0menalGamer
Sonic the Hedgehog in 480i
Sonic the Hedgehog in 480i
Published: 2017/01/23
Channel: HD Retrovision
Framemeister Comparison: 480i vs. 480p
Framemeister Comparison: 480i vs. 480p
Published: 2015/11/19
Channel: implantgames
Wii Component 480p vs Gamecube Composite 480i
Wii Component 480p vs Gamecube Composite 480i
Published: 2017/03/26
Channel: Tucker
【GT4】解像度テスト(480i/480p/1080i)
【GT4】解像度テスト(480i/480p/1080i)
Published: 2015/05/03
Channel: Meru B
What Is The Resolution Of 480I?
What Is The Resolution Of 480I?
Published: 2017/07/25
Channel: sparky rights
Wii Component Cables 480i VS. 480p
Wii Component Cables 480i VS. 480p
Published: 2007/01/11
Channel: The FNG Spot
Playstation 2 - RGB 480i - XRGB Mini Framemeister Showcase
Playstation 2 - RGB 480i - XRGB Mini Framemeister Showcase
Published: 2016/08/24
Channel: theseabass
Como crear apps interactivas con Adobe Indesign y 480i
Como crear apps interactivas con Adobe Indesign y 480i
Published: 2016/11/01
Channel: Oscar Gomez Jr.
[Wii] TLoZ: Skyward Sword ~ 480p vs 480i [[Framiester XRGB-mini] [Component]
[Wii] TLoZ: Skyward Sword ~ 480p vs 480i [[Framiester XRGB-mini] [Component]
Published: 2014/08/29
Channel: Yap Kok Wai
HDMI modified Gamecube: Why recording 480i source is bad!
HDMI modified Gamecube: Why recording 480i source is bad!
Published: 2016/02/01
Channel: Greenalink
Blueair 經典 i 系列 480i 空氣清淨機使用說明
Blueair 經典 i 系列 480i 空氣清淨機使用說明
Published: 2017/03/03
Channel: Blueair Taiwan
480i to 240p (deinterlace) mode on SONY CRT
480i to 240p (deinterlace) mode on SONY CRT
Published: 2012/05/08
Channel: Faginrs500
Corrección de líneas entrelazadas (de 480i a 480p)
Corrección de líneas entrelazadas (de 480i a 480p)
Published: 2012/02/03
Channel: RoxasChannelVids
3DO 480i RGB vs 240p RGB
3DO 480i RGB vs 240p RGB
Published: 2015/03/22
Channel: Airs
Super Mario World in 480i: Part II
Super Mario World in 480i: Part II
Published: 2017/01/18
Channel: HD Retrovision
How To Record PS1 games from HD PVR / DiamondGC500 / Force 480i signals from PS1 Games / No Upscaler
How To Record PS1 games from HD PVR / DiamondGC500 / Force 480i signals from PS1 Games / No Upscaler
Published: 2014/09/18
Channel: ChocoToken
Perfect Dark 480i vs 240p
Perfect Dark 480i vs 240p
Published: 2017/03/30
Channel: Label Me Justin
Killer7 Supplement 06 - 4K vs. 480i
Killer7 Supplement 06 - 4K vs. 480i
Published: 2017/06/02
Channel: supergreatfriend
OSSC 240p-480i switching
OSSC 240p-480i switching
Published: 2016/07/28
Channel: Chacranajxy
Wii Mario Galaxy 480p vs 480i component vs composite [HD]
Wii Mario Galaxy 480p vs 480i component vs composite [HD]
Published: 2012/02/06
Channel: steven rivera
Wii 480p vs. 480i New Supermario Bros.
Wii 480p vs. 480i New Supermario Bros.
Published: 2010/03/03
Channel: PiChristoph
Watch how iClassic 480i works
Watch how iClassic 480i works
Published: 2017/02/10
Channel: Hicare
Super Mario World in 480i: Part I
Super Mario World in 480i: Part I
Published: 2017/01/18
Channel: HD Retrovision
Twilight Princess Wii 480p/480i comparison
Twilight Princess Wii 480p/480i comparison
Published: 2011/11/04
Channel: Logan Somervell
Burnout 3: Takedown (PS2) - 480i vs  480p
Burnout 3: Takedown (PS2) - 480i vs 480p
Published: 2014/07/25
Channel: BloodyThunderX
OSSC 480i@60/field rendered/un-filtered version
OSSC 480i@60/field rendered/un-filtered version
Published: 2017/04/14
Channel: Nikodem R
DVDO VP30+upgrade: 240p-480i@60/ resolution switching/ GM1
DVDO VP30+upgrade: 240p-480i@60/ resolution switching/ GM1
Published: 2015/11/12
Channel: Nikodem R
1080P VS. 480i
1080P VS. 480i
Published: 2007/12/29
Channel: CharlietoKind
42" Sharp Aquos LCD TV - good game mode for 480i consoles
42" Sharp Aquos LCD TV - good game mode for 480i consoles
Published: 2008/06/22
Channel: Infil
Naruto UNS3 - Dazzle DVC 100 Test: 480i or 480p?
Naruto UNS3 - Dazzle DVC 100 Test: 480i or 480p?
Published: 2013/05/25
Channel: CreativeAurora
ROM Hacking Demo - Genesis and SNES games in 480i
ROM Hacking Demo - Genesis and SNES games in 480i
Published: 2017/01/31
Channel: HD Retrovision
Ps3 480i
Ps3 480i
Published: 2016/07/22
Channel: ELVIN LEVINE
XRGB-mini Framemeister + GameCube (via Wii): F-Zero GX (Upscaled from 480i) (720p, 60fps)
XRGB-mini Framemeister + GameCube (via Wii): F-Zero GX (Upscaled from 480i) (720p, 60fps)
Published: 2016/03/08
Channel: Fabio Santana
NFS Rivals PS3 480i
NFS Rivals PS3 480i
Published: 2017/07/17
Channel: Qrio Music
Wii U 480i Quality Test
Wii U 480i Quality Test
Published: 2015/06/22
Channel: Shiori
PS3의 센트럴픽션을 480i로 해보았다
PS3의 센트럴픽션을 480i로 해보았다
Published: 2016/12/09
Channel: Reset j
480p vs. 480i - Zelda & New Super Mario Bros. HD
480p vs. 480i - Zelda & New Super Mario Bros. HD
Published: 2010/03/11
Channel: PiChristoph
OSSC 480i@60/field rendered/reduced horizontal rez/un-filtered version
OSSC 480i@60/field rendered/reduced horizontal rez/un-filtered version
Published: 2017/04/13
Channel: Nikodem R
Wii 480i vs 480p The Legend of Zelda Twilight Princess
Wii 480i vs 480p The Legend of Zelda Twilight Princess
Published: 2010/03/16
Channel: JediMasterRual
Jane Siberry - Mimi on the Beach - promo video [480i]
Jane Siberry - Mimi on the Beach - promo video [480i]
Published: 2011/05/23
Channel: dudwarezintl
Publicaciones Digitales 480i - DLATAM
Publicaciones Digitales 480i - DLATAM
Published: 2014/12/20
Channel: Oscar Gomez Jr.
Propaganda BRT Move - SD (480i)
Propaganda BRT Move - SD (480i)
Published: 2014/04/17
Channel: Comerciais & Vinhetas MG HD
.hack//infection 1080i vs 480i (watch in HD)
.hack//infection 1080i vs 480i (watch in HD)
Published: 2014/04/28
Channel: Nikodem R
3DO: Teste de mod 480i para 240p (1080p60fps)
3DO: Teste de mod 480i para 240p (1080p60fps)
Published: 2017/02/19
Channel: Fabio Santana
"Blue Stinger" Dreamcast Elgato Test 480i
"Blue Stinger" Dreamcast Elgato Test 480i
Published: 2013/02/08
Channel: StellarLime
NHL 13 PS3 Demo 480i Performance Issues
NHL 13 PS3 Demo 480i Performance Issues
Published: 2012/08/22
Channel: Enkou
Conexant 28283D Capture Card Test (480i Wii U)
Conexant 28283D Capture Card Test (480i Wii U)
Published: 2015/05/12
Channel: Bryan Haley
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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SDTV resolution by nation; countries using 480i are in green.

480i is a shorthand name for the video mode used for standard-definition analog or digital television in Caribbean, Myanmar, Japan, South Korea, Taiwan, Philippines, and most of the Americas (with the exception of Argentina, Paraguay and Uruguay). The 480 identifies a vertical resolution of 480 lines, and the i identifies it as an interlaced resolution. The field rate, which is 60 Hz (or 59.94 Hz when used with NTSC color), is sometimes included when identifying the video mode, i.e. 480i60; another notation, endorsed by both the International Telecommunication Union in BT.601 and SMPTE in SMPTE 259M, includes the frame rate, as in 480i/30. The other common standard, used in the other parts of the world, is 576i.

In analogue contexts, this resolution is often called "525 lines". It is mandated by CCIR Systems M and J, which are usually paired with NTSC color - which led to the "NTSC" name being often inaccurately used to refer to this video mode. Other color encodings have also been used with System M, notably PAL-M in Brazil.

Technical detail[edit]

For analog NTSC there are a total of 525 scanning lines of which originally 483 lines were visible (241.5 visible lines + 21 lines of vertical blanking per field) and later 480 (240 complete lines per field). [For quad video recording systems, the math suggests 15 transverse head passes, each consisting of 16 lines of video, are required to complete one field.] A full frame consists of two fields. One field contains the odd-numbered lines and the other contains the even ones. By convention an NTSC video frame is considered to start with an even field followed by an odd field. The disparity of the line numbering compared to other systems is solved by defining the line numbering to start five equalizing pulses (or 2 and a half lines) earlier than on all other systems (including Systems A and E even though they had no equalizing pulses) on the first equalizing pulse following an active line or half line. This has the effect of placing a half line of video at the end of the even (first) field and the beginning of the odd (second field). Thus the line numbers correspond to the real lines of the video frame. On all other systems, the field was considered to start with the falling edge of the first field pulse which gave the confusing position that the odd field (first) had a half a line of video occupying the latter half of a whole line and ended with a whole line of video but half a scanning line (and vice versa for the even field). The NTSC convention solved this confusion.[1]

For DV-NTSC only 480 lines are used. The digitally transmitted horizontal resolution is usually 720 samples (which includes 16 samples for the horizontal sync and horizontal blanking) or 704 visible pixels with an aspect ratio of 4:3 (with vertically rectangular pixels) and therefore a display resolution of 640 × 480 (VGA); that is standard-definition television (SDTV) with a 4:3 aspect ratio (with square pixels).[2][3][4][5]

The field rate (not the frame rate) is usually (60/1.001) = 59.94 Hertz for color TV and can be rounded up to 60 Hz. There are several conventions for written shorthands for the combination of resolution and rate: 480i60, 480i/30 (EBU/SMPTE always use frame rate to specify interlaced formats) and 480/60i. 480i is usually used in countries that conventionally use NTSC (most of the Americas and Japan), because the 525 transmitted lines at 60 hertz of analogue NTSC contain 480 visible ones.

480i can be transported by all major digital television formats, ATSC, DVB and ISDB, and on DVD.

See also[edit]

References[edit]

  1. ^ Report 308-2 of the XIIth Planiary of the CCIR - Characteristics of TV systems.
  2. ^ "rpsoft 2000 software". rpsoft2000.com. Retrieved 1 June 2015. 
  3. ^ "480i". afterdawn.com. Retrieved 1 June 2015. 
  4. ^ Glossary - 480i
  5. ^ "480i" – via The Free Dictionary. 

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