# What is Chroma Subsampling | LSE - E05

Source: https://mimolive.com/live-video-essentials-chroma-subsampling/  
Published: 2018-11-16  
Last updated: 2023-01-30  
Topics: Advanced, Getting Started, Live Streaming Essentials, mimoLive Academy, academy, Type: Broadcast Knowledge  

Live Streaming Essentials
In this episode, Leo answers the question of what is chroma subsampling. He explains everything you need to know about Chroma Subsampling, a compression technique from decades ago that is still used in modern videos.

#### What is 4:4:4, 4:2:2 and 4:2:0?

Learn how you can reduce the file sizes of your video and what it means for the image quality.

https://youtu.be/fkz2-JVaYDk

This video is part of his video series “[Live Streaming Essentials](https://youtube.com/playlist?list=PLqmpupU7CLwgcrQrLumrUOIhNlGOj0ens)” in which Leo talks about the fundamentals of live video topics to help you get started and grow beyond the beginner level.
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