Temporarily Disable Audio Ducking in OS X

When you enter a call in OS X, as of Mavericks, it lowers the volume of everything else besides the call. There's no way to disable this “feature.”

Solution: Before making the call in the application, paste one of the following line into terminal.

printf "p *(char*)(void(*)())AudioDeviceDuck=0xc3\nq" | lldb -n FaceTime
printf "p *(char*)(void(*)())AudioDeviceDuck=0xc3\nq" | lldb -n QQ
printf "p *(char*)(void(*)())AudioDeviceDuck=0xc3\nq" | lldb -n Skype

• http://apple.stackexchange.com/questions/189552/facetime-calls-lower-system-volume