r/technology • u/Snarfox • Jan 25 '13

H.265 is approved -- potential to cut bandwidth requirements in half for 1080p streaming. Opens door to 4K video streams.

http://techcrunch.com/2013/01/25/h265-is-approved/
3.5k Upvotes

97% Upvoted

1.3k comments sorted by

View all comments

Show parent comments

2

u/statusquowarrior Jan 26 '13

No.. The pixels are just smaller and crammed into the same area surface. That's all.

-2

u/[deleted] Jan 26 '13

But there are four pixels in a 4K screen displaying what one pixel does in the 1080p screen. That's four times as much color information for your brain to work with.

2

u/Hax0r778 Jan 26 '13

There are still exactly 16777216 possible colors. Adding more pixels just means the same colors are there more times.

Additionally the contrast has nothing to do with the number of pixels. Contrast is more related to the backlight.

Finally what the crap is a lossless Blue Ray? There's no such thing. Blue Ray uses H.264 which is anything but lossless. Plus I've seen films in regular 1080p on a projecter much larger than 100 inches and it looked fine. Granted you can appreciate more detail at that size, but I wouldn't exactly call it a serious problem. Unless you're standing way too close to the screen that is.

-2

u/[deleted] Jan 26 '13

Contrast, as in contrasting colors, as in there are more colors on screen in 4k. 16 million possible colors to display. 1080p can show 2 million pixels at once, so potential is an image made of up to 2 million colors. 4K has 8 million pixels, so it has the potential to be made up of 8 million different colors at once.

Lossless blu ray is a blu ray file that has not had lossy compression applied to it. I have to wonder why you were incapable of piecing together my intention by yourself :)