Oh so I have to have the item in my fav list, highlight it than say it? hmmm thats kinda stupid imho I mean it would be faster to just open the fav and click it to equipt it instantly compared to hoping Kinect understands you or doesn't lag to much but than again same can be said about Shouts, I say it in dragon tongue so I have to hold RB than say it and even than half the time it lags so bad it won't register my words anymore, even if I do switch to english :/ so many bugs
you just totally jinxed it
Once you do assign though it's awesome! I rock 9 different weapons to play with while in combat

, I don't use the dragon tongue shouts ( I just can't go that nerdy

) The quick equip isn't that much different then the quick key ( left d-pad,right d-pad ) but you can have more of them like PC, and you can mix and match at will, like changing my axe out for a dagger or going from a great sword to a sword and shield and then to a bow in a matter of seconds

all the while barking out shouts as fast as I can.
As far as understanding me it is a little difficult due to my accent( my province we sound irish ) but I just try to pronounce as best as I can, but I'm not experiencing any lag, it's quite fast from my experience so far, maybe you need to calibrate you kinect?