Treyarch has released patch 1.11 for the PlayStation 3 version of Call of Duty: Black Ops which contains security updates as well as "Search and Destroy audio tweaks for planting and defusing."
Support for the "Annihilation" map pack was also added, which releases for both the PlayStation 3 and PC tomorrow.
Original Post [Official: Call of Duty: Black Ops "Annihilation" Map Pack Dropping on XBL June 28]
[CVG]