Eiji Aonuma has already confirmed there won't be any extensive voice acting, i.e. it's like in previous Zeldas, where the characters just laugh, scream, grunt, etc.
If Link suddenly started talking it would be pretty wierd. I mean, has he talked in any previous games?
Good to hear they're going to make it the way it's supposed to be heh..
Hmmm... I remember Miyamoto mentioned that voice acting ruins the expression of the game and he preferred the means of communication in the game to be text (like reading a book) so that the user creates an internal dialogue in his head while reading the text.
Voice acting sort of ruins the effect that words themselves can have on the reader. Some people might like Voice Acting as it suits their kind of conversation while others may not as they have a different viewpoint on the type of conversation they were expecting.