Problem: Without a well‑designed proxy workflow, high‑resolution footage (4K, 6K, 8K) can cause dropped frames, stuttering playback, and a fragmented creative process, even on powerful editing machines.
Understanding the Core Issue
The editing system must decode massive data streams in real time. When the media is too heavy, the system struggles, leading to performance bottlenecks that interrupt the editors flow.
Choosing the Right Codec
- Low‑compression, intraframe codecs (e.g., ProRes 422 LT, DNxHR LB) provide quick scrubbing and reliable frame‑accurate cuts.
- Balanced file size is essential avoid overly compressed interframe codecs that increase CPU load during proxy playback.
- Match the proxy codec to the NLEs native proxy handling to minimize conversion steps.
Setting Appropriate Proxy Resolution
- Common practice: ¼ of the source resolution (e.g., 1080p proxy for 4K source, 540p for 6K).
- Consider monitor size and playback requirements a 720p proxy often suffices for most editing stations.
- Maintain the original aspect ratio to avoid scaling artifacts when swapping back to full‑resolution media.
Establishing Reliable Relink Paths
- Store proxies in a parallel folder structure that mirrors the original media hierarchy.
- Use consistent naming conventions (e.g., original filename with _proxy suffix) to simplify automatic relink.
- Keep a master spreadsheet or database that maps each proxy file to its source clip for backup verification.
Putting It All Together
- Ingest footage and generate proxies using the chosen codec and resolution settings.
- Link proxies to the timeline edit with confidence knowing playback will be smooth.
- When the edit is locked, trigger the NLEs relink function to replace proxies with the original high‑resolution files.
- Verify that all clips have correctly relinked before rendering the final output.
Following these steps creates a stable environment where creative decisions are made without technical interruptions, and the final conform retains the full quality of the original footage.