Readd the OpenAL option. The OpenAL backend requires OpenAL Soft to be installed: http://kcat.strangesoft.net/openal.html You may need to rename soft_oal.dll to OpenAL32.dll in the Dolphin folder. Windows users may also need to update their OpenAL drivers by downloading them from http://connect.creativelabs.com/openal/Downloads/oalinst.zip