Use this when your project is in 480i or 576i resolution. High Definition (HD) projects should use Rec. 709 instead.
Use MediaInfo to see what is actually inside the file. Even if it says .mp4 , the internal video stream might be a rare format that needs a specific player. 601 mp4
Because "601 mp4" is a highly specific and somewhat ambiguous term, there are two primary ways to interpret your request. This guide covers both: a likely (related to the Rec. 601 color standard) and a common file naming convention for specific devices or music tracks. 1. Exporting MP4s with "601" Color (SD Video) Use this when your project is in 480i or 576i resolution
For advanced users, FFmpeg can force the color tags during conversion: ffmpeg -i input.mov -vf "colorspace=all=bt601-6-625:itype=interlaced" -c:v libx264 -pix_fmt yuv420p output.mp4 2. File Naming: "601.mp4" Use MediaInfo to see what is actually inside the file
If you are a video editor, "601" usually refers to , the color standard for Standard Definition (SD) video. You might see this when converting old tapes or working with legacy DVD formats.
If you are using downloader scripts like yt-dlp , ensure you are on the latest version, as bugs often cause "unable to download" errors for long videos (common in 600+ MB files).
If you export a "601" video as a standard MP4, you might notice the blacks look "washed out" or gray. This happens because "601" uses Limited Range (16–235) while most computer screens expect Full Range (0–255). How to Export Correctively: