Here comes 4k video....

[Dr Mordrid]

4k? Yup - 4x the resolution of 1080p and it's now supported by YouTube....

http://youtube-global.blogspot.com/2010/07/whats-bigger-than-1080p-4k-video-comes.html

Friday, July 9, 2010

What's bigger than 1080p? 4K video comes to YouTube

Today at the VidCon 2010 conference, we announced support for videos shot in 4K (a reference resolution of 4096 x 3072), meaning that now we support original video resolution from 360p all the way up to 4096p. To give some perspective on the size of 4K, the ideal screen size for a 4K video is 25 feet; IMAX movies are projected through two 2k resolution projectors.

We always want videos on YouTube to be available in the highest quality possible, as creators intend. In December of last year, we announced support for 1080p, or full HD. At 4096 x 3072 pixels, 4K is nearly four times the size of 1080p. To view any video in a source resolution greater than 1080p, select "Original" in the video quality pulldown menu:
>
>

[Evildead666]

4096p is the vertical component of the image, and is not the same as 4K video.

2K video is 2048x1556, 4K as stated is 4096x3072 but that is 3072p, not 4096p.
Also, this 4k is a 4:3 resolution, widescreen would be 16:9, so .....

3072p widescreen is 5460x3702, and 4096p would be 7280x4096.
2K widescreen is 2048x1152 and 4K Widescreen is 4096x2304, 16:9 ratio.

IMAX using two 2K would give 4096x1556.