Question: What is a method to create a reference file from a new or unclaimed video?
- Change video privacy setting from Private to Public
- All partner-uploaded videos automatically become references
- Claim the video and enable Content ID matches
- Select a usage policy
Explanation
A reference can be created from a claimed video when Content ID matching is enabled for that claim. This connects the video to an asset so YouTube can generate a digital fingerprint for matching. The reference is then used to identify future user-uploaded videos that contain the protected material. This workflow applies when the content owner has rights to use the video as reference material.
Why the other options are incorrect
Privacy setting does not create a reference or enable Content ID matching.
Automatic references is incorrect because partner-uploaded videos do not all become references by default.
Usage policy controls the action applied to uploaded content, but it does not create reference material by itself.
Source for verification
https://support.google.com/youtube/answer/107004
https://support.google.com/youtube/answer/3011552
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