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Chroma Subsampling Guide
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About Chroma Subsampling Guide
Understand chroma subsampling (4:4:4, 4:2:2, 4:2:0) with visual diagrams, bandwidth savings, and use cases for broadcast, editing, and web.
How It Works
Enter a chroma format or browse the comparison table with ASCII diagrams, bandwidth savings, and common use cases.
Frequently Asked Questions
What do the numbers in 4:2:0 mean?
Luma and chroma sampling in a 4-pixel block. 4:4:4 = full color per pixel. 4:2:0 = quarter color resolution.
Does 4:2:0 look bad?
Not for most viewers. The eye is more sensitive to brightness than color. Blu-ray, Netflix, and YouTube all use 4:2:0.