Before revision:  In this paper , we describe the DAISY system, enabled by established machine learning techniques and physics models, that can localize the shooter location only based on a couple of user-generated videos that capture the gun shot sound .
After revision:  In this technical report , we describe the DAISY system, enabled by established machine learning techniques and physics models, that can localize the shooter location only based on a couple of user-generated videos that capture the gun shot sound .