args.bungie.org

http://bayimg.com/mAeFGAaBK bungie forum says he entered something and got this

Hmm, odd. Tell him to do soemthing with 719hz.wav. Can he input that somehow?

What did he enter?

i keep asking he doesn;t answer http://www.bungie.net/Forums/posts.aspx ... eater1-p=3

here

http://halo3.com/html/unlock.html

someone just if you have a mic, play 719.Hz after you press the initiate button

That doesn't seem to be the absolute method to unlock it, however, an definite way of solving it has not yet been found. (as far as I've heard, anyway)