A lot of work went into making the record sound that simple.

The cameras can produce high-quality digital video or stills and record sound.

This makes the record sound relatively flat and small and makes it seem that only a handful of people were present.

At the time this was in use by the film industry to record sound tracks.

Through the use of microphones that could record sound inaudible to humans, the team found sounds to match the initial shriek and the finishing bellow.