roaring on 2009 Toyota Camry

I have 29000 on my standard camry and for some time now been hearing this roaring sound coming from rear end , any ideals.

Asked by for the 2009 Toyota Camry
This is possible a wheel bearing or a bad tire. This should still be under warranty so I would take it back to the Toyota Dealership.
2 answers
probably the wheel bearings bring it to the dealer as it should be under warranty