In the US, if it's ever been played out on broadcast TV then it must have Closed Captions. This is enforced by the FCC [0], but as more and more "internet" con

In the US, if it's ever been played out on broadcast TV then it must have Closed Captions. This is enforced by the FCC [0], but as more and more "internet" content gets consumed I imagine the same regulations will eventually come, at which point you've got a fantastic training set. 0: https://www.fcc.gov/node/23883 https://www.fcc.gov/node/23883