Meaning & use
Luma
Last updated
The brightness or intensity component of a video or image signal, as distinct from its color information.
See it in a sentence
Editors often adjust the luma channel to fix exposure without shifting the colors.
The compression algorithm treats luma and chroma data separately to save bandwidth.
A note on using this word
Luma is a core concept in video engineering, underlying formats from analog television to modern digital codecs like JPEG and H.264.
Words with a similar meaning
luminance
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
chroma
Make it your own
Write a sentence using “Luma”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.