They're way ahead of you :- They can take any audio recording (from any source) in the UK and get an exact time-stamp of its recording and detect whether it has

They're way ahead of you :- They can take any audio recording (from any source) in the UK and get an exact time-stamp of its recording and detect whether it has been edited in any way : http://www.bbc.co.uk/news/science-environment-20629671 http://www.bbc.co.uk/news/science-environment-20629671