Shooting for HD: Why Color Space Matters

High Def (HD), and Standard Def (SD) are the most common acronyms you will run in to, but you may also see ED for Extended Def.
Generally HD is 720p or higher, SD is 480i and lower, and ED is 480p +/- 10% (We’ll get to this) neueste version von java herunterladen.

For the purpose of this article we are going to show the differences between 720p in the 4:4:4 Color Space, and ED, and SD.

This Image is in 720p 4:4:4 at 4:3 I’m doing this in 4:3 because I want to show the differences between the qualities, not the aspect ratios gntm.
http://www.griffin-digital.com/hdarticle/720p.jpg

Next is an Image at 480p 4:4:4
http://www.griffin-digital.com/hdarticle/480p.jpg

Next is 480i 4:4:4
http://www.griffin-digital.com/hdarticle/480i.jpg

Now we drop to 480i 4:1:1 which is what Consumer DV Camera’s use ics mutaties.
http://www.griffin-digital.com/hdarticle/480i-with-luminosity.jpg

Now that you have seen the visual differences between the qualities let’s talk about why there are visual differences android images from google. Color space is an odd bugger to say the least. Video is broadcast in a format that makes Color Broadcasts backwards compatible with Black and White Television microsoft teams file. This Color Space is called YUV.

Y is the Luminance portion of the color space. Luminance is for the purpose of this lesson the same as brightness herunterladen. This is Y color and BW broadcasts are compatible. Y is the only part of the broadcast that BW TV’s interpret.

NTSC’s implementation of YUV uses only 11% of the original blue information and only 30% of the Red kodak moments app herunterladen.
Resulting in an image that looks like the following, it does demonstrates that you can’t particularly tell that we went from 256 shades of red to 32, or that we went from 256 shades of blue to 16 youtube musik direkt auf handy downloaden.
http://www.griffin-digital.com/hdarticle/480-NTSC.jpg

What about the 4:1:1 part herunterladen? Well 4:1:1 means that there is 4 times as much data on the Y channel as the U and V channel. The Blue channel for the 480i 4:1:1 looks like this. And Is at 1/4 the resolution of the Green/Luminance channel tubemate youtubeer kostenlos. The Red Channel would look similar.
http://www.griffin-digital.com/hdarticle/Blue.jpg

H,264, VC-1, and most other IP delivery formats are YUV 4:2:2 or 4:1:1 Because of this it is not a big deal if the format you shoot on is one of these however DV is 4:2:0 so if you shoot to if and deliver in a 4:1:1 codec you will end up with 4:1:0 as your end color.  If your are going to shoot on Video for Film you will want a format that is 4:4:4.

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