Comparison of Duel & Speed

Duel and Speed are both quite similar from the opening scenes, seen as they both dont give away very much detail except the credits, they also dont show any characters! The credits for both films are shown clearly as they are shown when nothing else is on the screen, for example in speed a few credits come up everytime the elavator crosses a big bar which covers the camera. On the other hand Duel credits are shown when the car goes through a dark tunnel, which shows compete darkness.
Duel's sound:
There is the radio of the car being played in the background which is diegetic.
The engine from the car is heard through out the the first scenes to show that the car is actually moving.
The engine from other cars is also heard from the flow of traffic along the road.
Speed's sound:
The Non-diegetic sound heard in this film is music and drums which builds its way up and then dies down and builds back up again. This happens as different dredits are shown.
The sound in Speed creates all the tension and excitement as there is nothing to watch except the top of the lift descending down a big building.
Both camera shots from both films are seen from the car or the lifts point of view, so basically the audience is following the scenes by something moving.
Overall the film that gets your attention most is 'Speed' as there is excitement and tension built up by the music and drums, for instance when the title comes on the screen, it speeds on and the lift stops and there is a big bang from a drum to emphasise the main credit.