It's the out-takes from the Orchid Orientation video, it's been posted a few times on the forum.
I'm not sure the answer to Lost would be revealed in this way..i'm not even sure there is 'an' answer to Lost, rather it will be a collection of answers which fit together to make the perfect and imperfect whole.
Also, the chatter is too low to be heard with the naken ear
But it's an interesting suggestion, as
eastereggs could be in there, just like with the whispers and what not.