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Keying your own green-screen footage in Kdenlive: what the manual says on chroma key and despill
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What this guide covers
A documentary note for editors keying green or blue screen footage in Kdenlive, summarising the manual pages for Chroma Key Basic and Advanced, Despill, Spill Suppress and Key Spill Mop Up. The step order is the curator's inference. Nothing was installed, run or keyed, and the pages give no values for any particular footage.
More about this guide
Guide ID: art_01M6ND1XWFDJKMZ8WQTDQQGEB7
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Guide title
Keying your own green-screen footage in Kdenlive: what the manual says on chroma key and despill
Coverage
A documentary note for editors keying green or blue screen footage in Kdenlive, summarising the manual pages for Chroma Key Basic and Advanced, Despill, Spill Suppress and Key Spill Mop Up. The step order is the curator's inference. Nothing was installed, run or keyed, and the pages give no values for any particular footage.
Useful starting points
- Use the basic key for uniform backgrounds and the advanced key for low-contrast or busy ones; if no colour model works, the manual says to use rotoscoping instead.
- Turn the Key Spill Mop Up mask display off before the final render.
- With a hard key, the transparency mask has nothing to act on, per the manual; HCI previews are slow, so lower monitor resolution or use Preview Render.
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