4k – the technical details

4k or UHD Ultra High Definition (UHD) is 3840x2160 pixels 4k (digital cinema definition) is 4096x2160 pixels UHD is often called 4k

8’ 84” UHD 50” HD 26” SD

Picture improvements Picture specifications for HD (Rec. 709) is based on CRT TVs Opportunity to improve picture parameters Larger color space (Rec 2020, XYZ) Greater dynamic range More details in the highlights, darker shadows Brighter screens for better color display 12 bits vs. 8 bit for Blu-ray and broadcast TV Higher frame rates 48 fps or 60 fps for high frame rate movies 100 fps or 120 fps sports broadcast

Acquiring 4k content – features and episodic Camera Type Maximum Resolution Comments In use? 4k? 35mm Film Scanned at 4k Most features and all episodic that are shot on film Yes 65mm Film Scanned at 6k “Lawrence of Arabia” No 35mm CCD Digital Cinema Cameras 1920x1080 Sony F35, Genesis (2005) Arri Alexa 2880x1620 or 2880×2160 depending on format CMOS RAW or ProRes Red Epic “5k” CMOS RAW Sony F55 4096x2160 CMOS RAW or XAVC Sony F65 Normally 4096x2160, 8192x2160 possible Producing 4k requires an end-to-end 4k workflow including a 4k projector or display

Not all 4k is created equal Sony F65 2048 red pixels 4096 green pixels 2048 blue pixels Red Epic 1280 red pixels 2560 green pixels 1280 blue pixels Arri Alexa 720 red pixels 1440 green pixels 720 blue pixels UHD TV Panel 3840 red pixels 3840 green pixels 3840 blue pixels Bayer pattern and CMOS RAW

Delivering 4k to the consumer Compressed files are bigger than HD but not 4 times larger 4k adds high frequency detail, affect on encoding depends on content Files for SNE service are 2-3 times size of HD files 4k delivery becomes (more) practical with HEVC (H.265) codec Perhaps 35-40% more efficient Expect to see hardware decoders in 2014 Sony Pictures is requiring significantly better content protection than for HD Movielabs’ Enhanced Content Protection Specifications HDCP 2.2 protecting the HDMI link to the TV Sony TVs have HDCP 2.2, other 4k TVs do not HDCP 1.4 security is compromised

Availability of 4k in the consumer market Sony shipped server loaded 11 4k movies with the 84” 4k TV in late 2012 Sony 4k Video Unlimited service launched 1st September Preload and download 4k movies and TV shows We expect Netflix to offer a 4k streaming service next year using HEVC Will need a lot of bandwidth to the consumer Sky and Sky Deutschland are experimenting with shooting sports in 4k “Mastered in 4k” Blu-ray discs were shot and finished in 4k and then downscaled to HD HD benefits from over sampling If there is to be a 4k Blu-ray, it will likely be 2015

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