4K resolution
This resolution is used mainly in digital cinema production, and has a total of 8,847,360 pixels with an aspect ratio 256135 (≈1910). It was standardized as the resolution of the 4K container format defined by Digital Cinema Initiatives in the Digital Cinema System Specification, and is the native resolution of all DCI-compliant 4K digital projectors and monitors. The DCI specification allows several different resolutions for the content inside the container, depending on the desired aspect ratio. The allowed resolutions are defined in SMPTE 428-1: The DCI 4K standard has twice the horizontal and vertical resolution of DCI 2K (), with four times as many pixels overall.
Fashion 4K
Fashion 4K is a satellite television channel broadcast in Europe that operates under the Fashion One television network. The channel was launched on September 1, 2015, and is the first English language free-to-air channel to be broadcast in 4K resolution (or Ultra High Definition) in Europe. Fashion One also launched its sister channel Fashion One 4K in Asia, Latin America and North America as the first true global launch of a UHD channel. Both channels operate under Fashion One's network which is owned by Bigfoot Entertainment. As of September 1, 2015, approximately 116 million households across Europe received Fashion 4K via SES S.A.'s Astra 19.2ºE satellite.