Kdenlive™ review
When I’m cutting a clip, I need playback to keep up long enough to hear where a line ends. Kdenlive can make smaller working copies called proxies. I’d use them for the heavy camera files that make the timeline hard to scrub and keep the full-resolution originals ready for export.
Start with the clips that slow you down
Open the project’s Proxy Settings and turn on proxy clips. You can set a width above which new clips get a proxy automatically, or right-click one source in the Project Bin and choose Proxy Clip. I’d start with the handful of clips that cause trouble. The P badge tells me which clips the editor is playing from a proxy.
Check the handoff before delivering the export
Kdenlive normally renders from the originals. It also has a Use Proxy Clips option in the render dialog. I’d leave that off for delivery and keep the drive with the original footage connected. If I only wanted to check one cut or a sound transition, I’d render a selected zone first. I can open that export in VLC media player to hear the actual file outside the editor.
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Anabel’s take
I’d switch on proxies for the clips I’m constantly replaying. Before a final render, I’d spot-check a section with fine detail and speech. That gives me two things to judge in the export, the picture from the source file and whether I cut the line in the right place.