 usually has to do with recorded and copyrighted music being heard within the audio tracks of the video. Now YouTube updates its eraser tool to allow creators to remove the copyrighted sounds from the video while keeping other sound, like a speaker's words or a sound effect, completely intact. The tool uses AI to carefully but quickly edit the audio tracks, but YouTube warns it may not work fully, in which case users will be given chances to manually edit. Eben Brown, Fox News.