Workflows for 4K content in broadcast environments are already being employed in the United States even as delivery of 4K to the home does not currently exist.
Camera technology with 4K and greater capability has been around for awhile. Red first popularized it and now a host of camera manufacturers offer 4K capabilities, among them Sony, Blackmagic Design, JVC and GoPro (yes, even the HD Hero 3+ offers 4K, albeit at 15fps). Blackmagic Design has broken the price barrier with its $4,000 UHD camera complete with global shutter while Panasonic has been teasing us with prospects of a 4K Varicam.
Apple Final Cut Pro X, Adobe Premiere Pro CC and Sony Vegas can edit 4K while Avid Media Composer can extract an HD window from a 4K file. And such color and finishing applications as Autodesk Smoke, Quantel Pablo, Da Vinci Resolve and Assimilate are compatible with frame sizes greater than HD. At InterBEE in Tokyo last November, Grass Valley went a step further, demonstrating real-time editing 8K content on Edius 7.
Source: TVTechnology.com