How do record companies find copyrighted music on youtube?

by Fluffgar

Question by ❀Hapagirl❀ السلام عليكم ✿~海樂~✿: How do record companies find copyrighted music on youtube?
I hear that they are using inaudible “watermarks”, but is that all?
What about the videos that are deleted/muted after being posted for a while, say, at least a few weeks?

Best answer:

Answer by Edward
Google has an automated system that listens to the audio in the files uploaded to YouTube and can identify it, and subsequently block it.

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