Table of Contents

television

test patterns

These TV test patterns can be freely downloaded and used for checking colour and backlight uniformity, pixel defects and dithering artifacts.

buy test patterns online: Burosch (10€/46 images)

skin tones

mkdir skintones
cd skintones/
wget https://angelicadass.com/wp-content/uploads/2020/07/humanae-Angelica-Dass-{01..44}.jpg

Download tv-test-pattern_skintones.svg, open with inkscape, export as PNG.

colour calibration

You can use an Android app, e.g. Color Namer (F-Droid), to check if the screen is displaying the right colour. It displays colours as hex RGB values (#rrggbb). If the channel's values are too high, you can reduce them in TV settings.

Resolutions

name pixel size [WxH] notes
HD 1280 x 720 also called HD ready
Full HD 1920 x 1080 also called 1080p
4K UHD 3840 x 2160 panel size
DCI 4K 4096 x 2160 what filmmakers use, gets cut off on your TV

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