[header] How to unblock copyright infringement on youtube [title] Understand why you may have received a content id claim. [step] Content id is a system that identifies potential copyrighted content in videos by scanning uploaded videos for previously-uploaded content. The system will scan for audio, video, and images. 
If a match occurs, the original owner is notified and a content id claim is filed. [substeps] The original owner can choose to do nothing, mute their audio in your video, block the video from being viewed, monetize the video, or track the video's viewership.