I don't think so. Babies are constantly making sounds and trying to speak even when they have a very poor grasp on the language. I personally learn much more

I don't think so. Babies are constantly making sounds and trying to speak even when they have a very poor grasp on the language. I personally learn much more from fumbling around with a language, and letting fluent speakers correct me, than I do from listening to it - though both are helpful. I recently had the opportunity to watch a lot of Spanish TV with a couple native Spanish speakers and I learned a ton from it. Through the commercial breaks I'd be repeating phrases from the show and asking them about it - or telling them my theories about what was going on in the show to see if I was understanding it.